Senior Principal Program Protection Engineer (Embedded Software Engineer)

Date Posted: 2026-05-04 Country: United States of America Location: US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. Job Summary : The Software Product Assurance Center’s Software Security Sensors and Effectors Department is seeking a highly skilled individual to join our software team where you will employ Agile development techniques on embedded targets to continuously develop and deploy critical capabilities to the warfighter. We strive for technical excellence by drawing upon a workforce whose knowledge base and experience covers the complete spectrum of modern computing languages and platforms. As a professional embedded software engineer, the candidate will be involved with software and firmware design, development, integration, and testing of real-time embedded solutions with application software, with a focus on overall system integrity. Working side by side with Systems engineering to support generation of design concept and system architectural documentation. Support the decomposition of the architectural documentation in support of the generation and decomposition of requirements needed to support software development activities. The ideal candidate will also participate in Technical Integration Meetings with subcontractors to ensure selected hardware meets hardware and software requirements. The ideal candidate then, working individually or as part of a team, will be responsible for applying embedded principles to the design and development of hardened software applications. Software applications are developed using C and C++ on a variety of computing platforms running Linux and other real time operating systems. Lastly, the ideal candidate will ensure consistency across teams and remove impediments as they arise. Qualifications You Must Have: · Requires a bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, Software Engineering, or related field and 10 years’ experience. · Experience in an Agile and DevSecOps environment developing and maintaining software on an embedded processors/microcontroller. · Demonstrated ability to work closely across other engineering disciplines (Systems Engineering, Hardware Engineering, etc.) to debug system and board level issues using software tools · Experience working in a Linux environment with ability to modify and maintain Linux Kernel root file systems · Experience developing multithreaded applications. · Strong knowledge of building up and maintaining a code base built with CMake and Google Test. · The ability to obtain and maintain a U.S. government issued security clearance is required . U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Qualifications We Value: · Proficiency with RTOS Systems, Linux device drivers, and/or embedded Linux · Experience developing and troubleshooting on embedded targets · Experience designing, implementing, testing, or deploying real-time embedded software solutions. · Willingness to learn new techniques and apply critical thinking and problem-solving skills to diagnose customer issues. · Knowledge of modern computer architectures and hardware technologies including: x86, ARM Architectures · Field Programmable Gate Arrays (FPGAs Working knowledge of the Linux Kernel development and device drivers for the Linux Kernel. · Experience with bare-metal software development. · Experience using version control systems such as Git or Subversion. Learn More & Apply Now! Please consider the following role type definition as you apply for this role. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Senior Principal Program Protection Engineer (Embedded Software Engineer)

Date Posted: 2026-05-04 Country: United States of America Location: US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. Job Summary : The Software Product Assurance Center’s Software Security Sensors and Effectors Department is seeking a highly skilled individual to join our software team where you will employ Agile development techniques on embedded targets to continuously develop and deploy critical capabilities to the warfighter. We strive for technical excellence by drawing upon a workforce whose knowledge base and experience covers the complete spectrum of modern computing languages and platforms. As a professional embedded software engineer, the candidate will be involved with software and firmware design, development, integration, and testing of real-time embedded solutions with application software, with a focus on overall system integrity. Working side by side with Systems engineering to support generation of design concept and system architectural documentation. Support the decomposition of the architectural documentation in support of the generation and decomposition of requirements needed to support software development activities. The ideal candidate will also participate in Technical Integration Meetings with subcontractors to ensure selected hardware meets hardware and software requirements. The ideal candidate then, working individually or as part of a team, will be responsible for applying embedded principles to the design and development of hardened software applications. Software applications are developed using C and C++ on a variety of computing platforms running Linux and other real time operating systems. Lastly, the ideal candidate will ensure consistency across teams and remove impediments as they arise. Qualifications You Must Have: · Requires a bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, Software Engineering, or related field and 10 years’ experience. · Experience in an Agile and DevSecOps environment developing and maintaining software on an embedded processors/microcontroller. · Demonstrated ability to work closely across other engineering disciplines (Systems Engineering, Hardware Engineering, etc.) to debug system and board level issues using software tools · Experience working in a Linux environment with ability to modify and maintain Linux Kernel root file systems · Experience developing multithreaded applications. · Strong knowledge of building up and maintaining a code base built with CMake and Google Test. · The ability to obtain and maintain a U.S. government issued security clearance is required . U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Qualifications We Value: · Proficiency with RTOS Systems, Linux device drivers, and/or embedded Linux · Experience developing and troubleshooting on embedded targets · Experience designing, implementing, testing, or deploying real-time embedded software solutions. · Willingness to learn new techniques and apply critical thinking and problem-solving skills to diagnose customer issues. · Knowledge of modern computer architectures and hardware technologies including: x86, ARM Architectures · Field Programmable Gate Arrays (FPGAs Working knowledge of the Linux Kernel development and device drivers for the Linux Kernel. · Experience with bare-metal software development. · Experience using version control systems such as Git or Subversion. Learn More & Apply Now! Please consider the following role type definition as you apply for this role. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Senior Principal Program Protection Engineer (Embedded Software Engineer)

Date Posted: 2026-05-04 Country: United States of America Location: US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. Job Summary : The Software Product Assurance Center’s Software Security Sensors and Effectors Department is seeking a highly skilled individual to join our software team where you will employ Agile development techniques on embedded targets to continuously develop and deploy critical capabilities to the warfighter. We strive for technical excellence by drawing upon a workforce whose knowledge base and experience covers the complete spectrum of modern computing languages and platforms. As a professional embedded software engineer, the candidate will be involved with software and firmware design, development, integration, and testing of real-time embedded solutions with application software, with a focus on overall system integrity. Working side by side with Systems engineering to support generation of design concept and system architectural documentation. Support the decomposition of the architectural documentation in support of the generation and decomposition of requirements needed to support software development activities. The ideal candidate will also participate in Technical Integration Meetings with subcontractors to ensure selected hardware meets hardware and software requirements. The ideal candidate then, working individually or as part of a team, will be responsible for applying embedded principles to the design and development of hardened software applications. Software applications are developed using C and C++ on a variety of computing platforms running Linux and other real time operating systems. Lastly, the ideal candidate will ensure consistency across teams and remove impediments as they arise. Qualifications You Must Have: · Requires a bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, Software Engineering, or related field and 10 years’ experience. · Experience in an Agile and DevSecOps environment developing and maintaining software on an embedded processors/microcontroller. · Demonstrated ability to work closely across other engineering disciplines (Systems Engineering, Hardware Engineering, etc.) to debug system and board level issues using software tools · Experience working in a Linux environment with ability to modify and maintain Linux Kernel root file systems · Experience developing multithreaded applications. · Strong knowledge of building up and maintaining a code base built with CMake and Google Test. · The ability to obtain and maintain a U.S. government issued security clearance is required . U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Qualifications We Value: · Proficiency with RTOS Systems, Linux device drivers, and/or embedded Linux · Experience developing and troubleshooting on embedded targets · Experience designing, implementing, testing, or deploying real-time embedded software solutions. · Willingness to learn new techniques and apply critical thinking and problem-solving skills to diagnose customer issues. · Knowledge of modern computer architectures and hardware technologies including: x86, ARM Architectures · Field Programmable Gate Arrays (FPGAs Working knowledge of the Linux Kernel development and device drivers for the Linux Kernel. · Experience with bare-metal software development. · Experience using version control systems such as Git or Subversion. Learn More & Apply Now! Please consider the following role type definition as you apply for this role. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 132,400 USD - 251,600 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Senior Thermal Engineer

Date Posted: 2026-05-04 Country: United States of America Location: US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: Security Clearance Status: Not Required At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. The Mechanical Analysis and Test (MA&T) Department is responsible for ensuring structural and thermal design robustness across the Raytheon portfolio of products. From preliminary concepts to fielded weapon system support, MA&T delivers innovative structural and thermal engineering solutions utilizing methods ranging from classical fundamental & empirically based techniques to state-of-the-art finite element methods leveraging industry leading commercial tools; all complimented and validated by tests executed in a manner to ensure cost effective yet technically balanced solutions. The MA&T team is seeking a mid-level career Senior Thermal Engineer to join our MA&T Center in El Segundo, CA. As the Senior Thermal Engineer, you will be responsible for detailed thermal analysis on products throughout their lifecycle from initial design trade studies and proposals through qualification testing to enduring production support. The analyses will cover a wide range of difficult problems, requiring solutions that are imaginative, thorough, practicable, and consistent with organization objectives. The analysis tasks will span the spectrum from classical hand analyses to detailed analyses requiring the use of finite element analysis software. A Thermal Engineer of this salary grade is expected to have a level of technical competence with thermodynamic principles. The Thermal Engineer will be held accountable for completing his/her work within the agreed upon cost and schedule. Additionally, the selected candidate will be expected to present their work for peer reviews and to be a peer reviewer for other engineers’ work. Finally, the engineer is expected to plan and support tests, perform data reduction and engage in thermal model correlation. What You Will Do Perform Hand Calculations to determine scope of higher detail analysis models Perform detailed thermal analyses to solve various program thermal challenges Generate test plans required to validate analyses and verify hardware compliance to customer requirements Analyze test data to validate and correlate models Work with experienced analysts on problems of moderate complexity to provide the answers needed under program cost and schedule constraints Review your work with peers to ensure technical accuracy Present results to internal, external, and government customers Generate detailed documentation of work and archive for reference Act as a technical leader (help define/refine and/or develop MA&T department technical processes and tools) and/or lead analysis/test teams Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience or An Advanced Degree in a related field and minimum 3 years experience Experience in thermal analysis with any of the following tools: FloTHERM, PATRAN, Thermal Desktop/SINDA, ANSYS or equivalent Experience in mechanical principles to solve classical thermal analysis solutions both inside and outside of finite element tools and an ability to work independently and manage multiple priorities Demonstrated experience in thermal testing: Planning, organization, execution, data reduction and correlation Ability to obtain a U.S. government issued security clearance. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Qualifications We Prefer Degree in Mechanical or Aerospace Engineering 8 years of professional experience in the thermal analysis of complex systems that require collaboration of multiple engineering disciplines Experience with solid modeling CAD tools such as CREO or equivalent Experience with thermal analysis of electro-optical sensor systems Experience with planning and performing Thermal Vacuum (TVAC) testing Experience with orbital thermal analysis using Thermal Desktop or equivalent Demonstrated experience in leading a team of thermal analysts on program efforts Demonstrated experience in leading thermal testing, including model correlation Experience presenting to external customers Ability to travel to government and other facilities in support of program activities Advanced degree in aforementioned disciplines. ABET is the preferred, although not required, accreditation standard What We Offer Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the superior benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance, and child/adult backup care. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. Relocation Eligible - relocation assistance is available for this position As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 95,500 USD - 181,700 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Senior Thermal Engineer

Date Posted: 2026-05-04 Country: United States of America Location: US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: Security Clearance Status: Not Required At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. The Mechanical Analysis and Test (MA&T) Department is responsible for ensuring structural and thermal design robustness across the Raytheon portfolio of products. From preliminary concepts to fielded weapon system support, MA&T delivers innovative structural and thermal engineering solutions utilizing methods ranging from classical fundamental & empirically based techniques to state-of-the-art finite element methods leveraging industry leading commercial tools; all complimented and validated by tests executed in a manner to ensure cost effective yet technically balanced solutions. The MA&T team is seeking a mid-level career Senior Thermal Engineer to join our MA&T Center in El Segundo, CA. As the Senior Thermal Engineer, you will be responsible for detailed thermal analysis on products throughout their lifecycle from initial design trade studies and proposals through qualification testing to enduring production support. The analyses will cover a wide range of difficult problems, requiring solutions that are imaginative, thorough, practicable, and consistent with organization objectives. The analysis tasks will span the spectrum from classical hand analyses to detailed analyses requiring the use of finite element analysis software. A Thermal Engineer of this salary grade is expected to have a level of technical competence with thermodynamic principles. The Thermal Engineer will be held accountable for completing his/her work within the agreed upon cost and schedule. Additionally, the selected candidate will be expected to present their work for peer reviews and to be a peer reviewer for other engineers’ work. Finally, the engineer is expected to plan and support tests, perform data reduction and engage in thermal model correlation. What You Will Do Perform Hand Calculations to determine scope of higher detail analysis models Perform detailed thermal analyses to solve various program thermal challenges Generate test plans required to validate analyses and verify hardware compliance to customer requirements Analyze test data to validate and correlate models Work with experienced analysts on problems of moderate complexity to provide the answers needed under program cost and schedule constraints Review your work with peers to ensure technical accuracy Present results to internal, external, and government customers Generate detailed documentation of work and archive for reference Act as a technical leader (help define/refine and/or develop MA&T department technical processes and tools) and/or lead analysis/test teams Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience or An Advanced Degree in a related field and minimum 3 years experience Experience in thermal analysis with any of the following tools: FloTHERM, PATRAN, Thermal Desktop/SINDA, ANSYS or equivalent Experience in mechanical principles to solve classical thermal analysis solutions both inside and outside of finite element tools and an ability to work independently and manage multiple priorities Demonstrated experience in thermal testing: Planning, organization, execution, data reduction and correlation Ability to obtain a U.S. government issued security clearance. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Qualifications We Prefer Degree in Mechanical or Aerospace Engineering 8 years of professional experience in the thermal analysis of complex systems that require collaboration of multiple engineering disciplines Experience with solid modeling CAD tools such as CREO or equivalent Experience with thermal analysis of electro-optical sensor systems Experience with planning and performing Thermal Vacuum (TVAC) testing Experience with orbital thermal analysis using Thermal Desktop or equivalent Demonstrated experience in leading a team of thermal analysts on program efforts Demonstrated experience in leading thermal testing, including model correlation Experience presenting to external customers Ability to travel to government and other facilities in support of program activities Advanced degree in aforementioned disciplines. ABET is the preferred, although not required, accreditation standard What We Offer Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the superior benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance, and child/adult backup care. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. Relocation Eligible - relocation assistance is available for this position As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 95,500 USD - 181,700 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Senior Thermal Engineer

Date Posted: 2026-05-04 Country: United States of America Location: US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: Security Clearance Status: Not Required At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. The Mechanical Analysis and Test (MA&T) Department is responsible for ensuring structural and thermal design robustness across the Raytheon portfolio of products. From preliminary concepts to fielded weapon system support, MA&T delivers innovative structural and thermal engineering solutions utilizing methods ranging from classical fundamental & empirically based techniques to state-of-the-art finite element methods leveraging industry leading commercial tools; all complimented and validated by tests executed in a manner to ensure cost effective yet technically balanced solutions. The MA&T team is seeking a mid-level career Senior Thermal Engineer to join our MA&T Center in El Segundo, CA. As the Senior Thermal Engineer, you will be responsible for detailed thermal analysis on products throughout their lifecycle from initial design trade studies and proposals through qualification testing to enduring production support. The analyses will cover a wide range of difficult problems, requiring solutions that are imaginative, thorough, practicable, and consistent with organization objectives. The analysis tasks will span the spectrum from classical hand analyses to detailed analyses requiring the use of finite element analysis software. A Thermal Engineer of this salary grade is expected to have a level of technical competence with thermodynamic principles. The Thermal Engineer will be held accountable for completing his/her work within the agreed upon cost and schedule. Additionally, the selected candidate will be expected to present their work for peer reviews and to be a peer reviewer for other engineers’ work. Finally, the engineer is expected to plan and support tests, perform data reduction and engage in thermal model correlation. What You Will Do Perform Hand Calculations to determine scope of higher detail analysis models Perform detailed thermal analyses to solve various program thermal challenges Generate test plans required to validate analyses and verify hardware compliance to customer requirements Analyze test data to validate and correlate models Work with experienced analysts on problems of moderate complexity to provide the answers needed under program cost and schedule constraints Review your work with peers to ensure technical accuracy Present results to internal, external, and government customers Generate detailed documentation of work and archive for reference Act as a technical leader (help define/refine and/or develop MA&T department technical processes and tools) and/or lead analysis/test teams Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience or An Advanced Degree in a related field and minimum 3 years experience Experience in thermal analysis with any of the following tools: FloTHERM, PATRAN, Thermal Desktop/SINDA, ANSYS or equivalent Experience in mechanical principles to solve classical thermal analysis solutions both inside and outside of finite element tools and an ability to work independently and manage multiple priorities Demonstrated experience in thermal testing: Planning, organization, execution, data reduction and correlation Ability to obtain a U.S. government issued security clearance. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Qualifications We Prefer Degree in Mechanical or Aerospace Engineering 8 years of professional experience in the thermal analysis of complex systems that require collaboration of multiple engineering disciplines Experience with solid modeling CAD tools such as CREO or equivalent Experience with thermal analysis of electro-optical sensor systems Experience with planning and performing Thermal Vacuum (TVAC) testing Experience with orbital thermal analysis using Thermal Desktop or equivalent Demonstrated experience in leading a team of thermal analysts on program efforts Demonstrated experience in leading thermal testing, including model correlation Experience presenting to external customers Ability to travel to government and other facilities in support of program activities Advanced degree in aforementioned disciplines. ABET is the preferred, although not required, accreditation standard What We Offer Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the superior benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance, and child/adult backup care. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. Relocation Eligible - relocation assistance is available for this position As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 95,500 USD - 181,700 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Senior Environmental Test Engineer

Date Posted: 2026-05-04 Country: United States of America Location: US-AZ-TUCSON-930 ~ 1151 E Hermans Rd ~ ETF 930 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. Environmental Test (ET) is an engineering organization that supports all programs across Raytheon. The ET organization provides testing capability for every phase of the product life cycle from prototype to production. Environmental testing includes mechanical shock, electrodynamic vibration, salt fog, climatic environments such as temperature, altitude, and humidity, high temperature quartz lamp testing, structural testing, test fixture design, and custom instrumentation installations and data acquisition support. Environmental Test is seeking a Senior Test Engineer in the field of environmental testing with emphasis on extreme thermal heating testing. The Test Engineer is responsible for executing a variety of environmental tests while collaborating in an integrated product (IP) team environment with fellow ET Test Engineers, ET Support Engineers, and internal engineering customers. The Test Engineer will work within the IP team to develop the best methods for implementing tests to meet customer requirements and is responsible for all aspects of the test including test design and setup, equipment control and monitoring, and data collection and analysis. The Test Engineer is responsible for performing troubleshooting and adjustment of both the equipment and test setup when technical issues arise. This position is an onsite role located in Tucson, AZ. What You Will Do Consult and provide testing guidance to internal program customers and verify their proposed testing will meet the intended requirements. Write test plans and procedures that meet the requirements and safety of testing requested by internal program customers as well as review plans and procedures written by others. Also create schedules and budgets for all testing. Oversee and personally conduct environmental testing to validate models for the purposes of new product qualification, production acceptance, flight test clearance, engineering evaluations, and failure investigations. Implement engineering best practices to ensure testing is performed accurately, on schedule, and within allowed budget. Analyze test data real time and posttest to validate requirements have been met in accordance with requirements. Communicate status of ongoing testing efforts with ET leadership and internal program customers. Design, model, and analyze vibration and structural test fixtures using CREO Parametric and Ansys Workbench. Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and 5 years relevant experience. Minimum three years’ experience with thermal testing utilizing laser or quartz lamp heating systems. Minimum two years’ technical writing experience in test planning, analysis, or reporting. Minimum two years’ experience working with environmental test vibration shaker systems or experience with instrumentation (accelerometers, thermocouples, strain gages, load cells, etc…) and data acquisition systems (Dewetron, DeweSoft, LabView, Agilent/Keysight, Benchlink, Somat, etc…). Qualifications We Prefer Preferred engineering majors include Electrical, Aerospace, or Mechanical. Strong communication and leadership skills including effective written, verbal, and listening. Experience developing and evaluating requirements and being able to evaluate test issues and define solutions Experience with solid modeling and analysis software applications. High situational awareness and ability to effectively work multiple projects simultaneously. Current DoD secret or TS/SSBI clearance. What We Offer : Whether you’re just starting out on your career journey or are an experienced professional, we offer a total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care. Additional Information: This position is an Onsite role. Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. This requisition is eligible for an employee referral award. ALL eligibility requirements must be met to receive the referral award. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency in the Department of Defense, handles and adjudicates the security clearance process.More information can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearance/c10978.htm Position located in Tucson, AZ - Raytheon Tucson, AZ Location As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Senior Environmental Test Engineer

Date Posted: 2026-05-04 Country: United States of America Location: US-AZ-TUCSON-930 ~ 1151 E Hermans Rd ~ ETF 930 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. Environmental Test (ET) is an engineering organization that supports all programs across Raytheon. The ET organization provides testing capability for every phase of the product life cycle from prototype to production. Environmental testing includes mechanical shock, electrodynamic vibration, salt fog, climatic environments such as temperature, altitude, and humidity, high temperature quartz lamp testing, structural testing, test fixture design, and custom instrumentation installations and data acquisition support. Environmental Test is seeking a Senior Test Engineer in the field of environmental testing with emphasis on extreme thermal heating testing. The Test Engineer is responsible for executing a variety of environmental tests while collaborating in an integrated product (IP) team environment with fellow ET Test Engineers, ET Support Engineers, and internal engineering customers. The Test Engineer will work within the IP team to develop the best methods for implementing tests to meet customer requirements and is responsible for all aspects of the test including test design and setup, equipment control and monitoring, and data collection and analysis. The Test Engineer is responsible for performing troubleshooting and adjustment of both the equipment and test setup when technical issues arise. This position is an onsite role located in Tucson, AZ. What You Will Do Consult and provide testing guidance to internal program customers and verify their proposed testing will meet the intended requirements. Write test plans and procedures that meet the requirements and safety of testing requested by internal program customers as well as review plans and procedures written by others. Also create schedules and budgets for all testing. Oversee and personally conduct environmental testing to validate models for the purposes of new product qualification, production acceptance, flight test clearance, engineering evaluations, and failure investigations. Implement engineering best practices to ensure testing is performed accurately, on schedule, and within allowed budget. Analyze test data real time and posttest to validate requirements have been met in accordance with requirements. Communicate status of ongoing testing efforts with ET leadership and internal program customers. Design, model, and analyze vibration and structural test fixtures using CREO Parametric and Ansys Workbench. Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and 5 years relevant experience. Minimum three years’ experience with thermal testing utilizing laser or quartz lamp heating systems. Minimum two years’ technical writing experience in test planning, analysis, or reporting. Minimum two years’ experience working with environmental test vibration shaker systems or experience with instrumentation (accelerometers, thermocouples, strain gages, load cells, etc…) and data acquisition systems (Dewetron, DeweSoft, LabView, Agilent/Keysight, Benchlink, Somat, etc…). Qualifications We Prefer Preferred engineering majors include Electrical, Aerospace, or Mechanical. Strong communication and leadership skills including effective written, verbal, and listening. Experience developing and evaluating requirements and being able to evaluate test issues and define solutions Experience with solid modeling and analysis software applications. High situational awareness and ability to effectively work multiple projects simultaneously. Current DoD secret or TS/SSBI clearance. What We Offer : Whether you’re just starting out on your career journey or are an experienced professional, we offer a total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care. Additional Information: This position is an Onsite role. Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. This requisition is eligible for an employee referral award. ALL eligibility requirements must be met to receive the referral award. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency in the Department of Defense, handles and adjudicates the security clearance process.More information can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearance/c10978.htm Position located in Tucson, AZ - Raytheon Tucson, AZ Location As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Senior Environmental Test Engineer

Date Posted: 2026-05-04 Country: United States of America Location: US-AZ-TUCSON-930 ~ 1151 E Hermans Rd ~ ETF 930 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. Environmental Test (ET) is an engineering organization that supports all programs across Raytheon. The ET organization provides testing capability for every phase of the product life cycle from prototype to production. Environmental testing includes mechanical shock, electrodynamic vibration, salt fog, climatic environments such as temperature, altitude, and humidity, high temperature quartz lamp testing, structural testing, test fixture design, and custom instrumentation installations and data acquisition support. Environmental Test is seeking a Senior Test Engineer in the field of environmental testing with emphasis on extreme thermal heating testing. The Test Engineer is responsible for executing a variety of environmental tests while collaborating in an integrated product (IP) team environment with fellow ET Test Engineers, ET Support Engineers, and internal engineering customers. The Test Engineer will work within the IP team to develop the best methods for implementing tests to meet customer requirements and is responsible for all aspects of the test including test design and setup, equipment control and monitoring, and data collection and analysis. The Test Engineer is responsible for performing troubleshooting and adjustment of both the equipment and test setup when technical issues arise. This position is an onsite role located in Tucson, AZ. What You Will Do Consult and provide testing guidance to internal program customers and verify their proposed testing will meet the intended requirements. Write test plans and procedures that meet the requirements and safety of testing requested by internal program customers as well as review plans and procedures written by others. Also create schedules and budgets for all testing. Oversee and personally conduct environmental testing to validate models for the purposes of new product qualification, production acceptance, flight test clearance, engineering evaluations, and failure investigations. Implement engineering best practices to ensure testing is performed accurately, on schedule, and within allowed budget. Analyze test data real time and posttest to validate requirements have been met in accordance with requirements. Communicate status of ongoing testing efforts with ET leadership and internal program customers. Design, model, and analyze vibration and structural test fixtures using CREO Parametric and Ansys Workbench. Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and 5 years relevant experience. Minimum three years’ experience with thermal testing utilizing laser or quartz lamp heating systems. Minimum two years’ technical writing experience in test planning, analysis, or reporting. Minimum two years’ experience working with environmental test vibration shaker systems or experience with instrumentation (accelerometers, thermocouples, strain gages, load cells, etc…) and data acquisition systems (Dewetron, DeweSoft, LabView, Agilent/Keysight, Benchlink, Somat, etc…). Qualifications We Prefer Preferred engineering majors include Electrical, Aerospace, or Mechanical. Strong communication and leadership skills including effective written, verbal, and listening. Experience developing and evaluating requirements and being able to evaluate test issues and define solutions Experience with solid modeling and analysis software applications. High situational awareness and ability to effectively work multiple projects simultaneously. Current DoD secret or TS/SSBI clearance. What We Offer : Whether you’re just starting out on your career journey or are an experienced professional, we offer a total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care. Additional Information: This position is an Onsite role. Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. This requisition is eligible for an employee referral award. ALL eligibility requirements must be met to receive the referral award. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency in the Department of Defense, handles and adjudicates the security clearance process.More information can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearance/c10978.htm Position located in Tucson, AZ - Raytheon Tucson, AZ Location As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Senior Environmental Test Engineer

Date Posted: 2026-05-04 Country: United States of America Location: US-AZ-TUCSON-930 ~ 1151 E Hermans Rd ~ ETF 930 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. Environmental Test (ET) is an engineering organization that supports all programs across Raytheon. The ET organization provides testing capability for every phase of the product life cycle from prototype to production. Environmental testing includes mechanical shock, electrodynamic vibration, salt fog, climatic environments such as temperature, altitude, and humidity, high temperature quartz lamp testing, structural testing, test fixture design, and custom instrumentation installations and data acquisition support. Environmental Test is seeking a Senior Test Engineer in the field of environmental testing with emphasis on extreme thermal heating testing. The Test Engineer is responsible for executing a variety of environmental tests while collaborating in an integrated product (IP) team environment with fellow ET Test Engineers, ET Support Engineers, and internal engineering customers. The Test Engineer will work within the IP team to develop the best methods for implementing tests to meet customer requirements and is responsible for all aspects of the test including test design and setup, equipment control and monitoring, and data collection and analysis. The Test Engineer is responsible for performing troubleshooting and adjustment of both the equipment and test setup when technical issues arise. This position is an onsite role located in Tucson, AZ. What You Will Do Consult and provide testing guidance to internal program customers and verify their proposed testing will meet the intended requirements. Write test plans and procedures that meet the requirements and safety of testing requested by internal program customers as well as review plans and procedures written by others. Also create schedules and budgets for all testing. Oversee and personally conduct environmental testing to validate models for the purposes of new product qualification, production acceptance, flight test clearance, engineering evaluations, and failure investigations. Implement engineering best practices to ensure testing is performed accurately, on schedule, and within allowed budget. Analyze test data real time and posttest to validate requirements have been met in accordance with requirements. Communicate status of ongoing testing efforts with ET leadership and internal program customers. Design, model, and analyze vibration and structural test fixtures using CREO Parametric and Ansys Workbench. Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and 5 years relevant experience. Minimum three years’ experience with thermal testing utilizing laser or quartz lamp heating systems. Minimum two years’ technical writing experience in test planning, analysis, or reporting. Minimum two years’ experience working with environmental test vibration shaker systems or experience with instrumentation (accelerometers, thermocouples, strain gages, load cells, etc…) and data acquisition systems (Dewetron, DeweSoft, LabView, Agilent/Keysight, Benchlink, Somat, etc…). Qualifications We Prefer Preferred engineering majors include Electrical, Aerospace, or Mechanical. Strong communication and leadership skills including effective written, verbal, and listening. Experience developing and evaluating requirements and being able to evaluate test issues and define solutions Experience with solid modeling and analysis software applications. High situational awareness and ability to effectively work multiple projects simultaneously. Current DoD secret or TS/SSBI clearance. What We Offer : Whether you’re just starting out on your career journey or are an experienced professional, we offer a total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care. Additional Information: This position is an Onsite role. Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. This requisition is eligible for an employee referral award. ALL eligibility requirements must be met to receive the referral award. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency in the Department of Defense, handles and adjudicates the security clearance process.More information can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearance/c10978.htm Position located in Tucson, AZ - Raytheon Tucson, AZ Location As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Senior Environmental Test Engineer

Date Posted: 2026-05-04 Country: United States of America Location: US-AZ-TUCSON-930 ~ 1151 E Hermans Rd ~ ETF 930 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. Environmental Test (ET) is an engineering organization that supports all programs across Raytheon. The ET organization provides testing capability for every phase of the product life cycle from prototype to production. Environmental testing includes mechanical shock, electrodynamic vibration, salt fog, climatic environments such as temperature, altitude, and humidity, high temperature quartz lamp testing, structural testing, test fixture design, and custom instrumentation installations and data acquisition support. Environmental Test is seeking a Senior Test Engineer in the field of environmental testing with emphasis on extreme thermal heating testing. The Test Engineer is responsible for executing a variety of environmental tests while collaborating in an integrated product (IP) team environment with fellow ET Test Engineers, ET Support Engineers, and internal engineering customers. The Test Engineer will work within the IP team to develop the best methods for implementing tests to meet customer requirements and is responsible for all aspects of the test including test design and setup, equipment control and monitoring, and data collection and analysis. The Test Engineer is responsible for performing troubleshooting and adjustment of both the equipment and test setup when technical issues arise. This position is an onsite role located in Tucson, AZ. What You Will Do Consult and provide testing guidance to internal program customers and verify their proposed testing will meet the intended requirements. Write test plans and procedures that meet the requirements and safety of testing requested by internal program customers as well as review plans and procedures written by others. Also create schedules and budgets for all testing. Oversee and personally conduct environmental testing to validate models for the purposes of new product qualification, production acceptance, flight test clearance, engineering evaluations, and failure investigations. Implement engineering best practices to ensure testing is performed accurately, on schedule, and within allowed budget. Analyze test data real time and posttest to validate requirements have been met in accordance with requirements. Communicate status of ongoing testing efforts with ET leadership and internal program customers. Design, model, and analyze vibration and structural test fixtures using CREO Parametric and Ansys Workbench. Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and 5 years relevant experience. Minimum three years’ experience with thermal testing utilizing laser or quartz lamp heating systems. Minimum two years’ technical writing experience in test planning, analysis, or reporting. Minimum two years’ experience working with environmental test vibration shaker systems or experience with instrumentation (accelerometers, thermocouples, strain gages, load cells, etc…) and data acquisition systems (Dewetron, DeweSoft, LabView, Agilent/Keysight, Benchlink, Somat, etc…). Qualifications We Prefer Preferred engineering majors include Electrical, Aerospace, or Mechanical. Strong communication and leadership skills including effective written, verbal, and listening. Experience developing and evaluating requirements and being able to evaluate test issues and define solutions Experience with solid modeling and analysis software applications. High situational awareness and ability to effectively work multiple projects simultaneously. Current DoD secret or TS/SSBI clearance. What We Offer : Whether you’re just starting out on your career journey or are an experienced professional, we offer a total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care. Additional Information: This position is an Onsite role. Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. This requisition is eligible for an employee referral award. ALL eligibility requirements must be met to receive the referral award. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency in the Department of Defense, handles and adjudicates the security clearance process.More information can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearance/c10978.htm Position located in Tucson, AZ - Raytheon Tucson, AZ Location As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 86,800 USD - 165,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Environmental Effect Engineer (E3)

Date Posted: 2026-05-15 Country: United States of America Location: US-MA-MARLBOROUGH-MA2 ~ 1001 Boston Post Rd ~ BLDG 2 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. Job Summary: The Antenna/Microwave and E3 Department provide innovative and affordable solutions to our customers in all business areas. We are responsible for designing phased array antenna systems including active and passive microwave components, radiators, radomes and a variety of RF subassemblies. We develop new technologies for advanced capabilities and provide support to all life-cycle phases of the best radar systems in active worldwide deployments and grow our people with exciting new challenges, on-the-job training, mentoring and purposeful rotations. The EMI Effects Engineer is responsible for EMI/EMC electromagnetic interference/electromagnetic compatibility. Specific areas of expertise will include related school or project work. We value diverse skills and experience, so don’t hold back. Your qualifications could add tremendous value to our team. Our customers come from all different backgrounds, and so do our employees. If you’re passionate about what you could accomplish here, we’d love to hear from you. What You Will Do: Provides technical conscience, challenged with making sure the product and process meet appropriate E3 standards Ensure balance with risk conditions and constraints while advising leadership. Visible and accountable for technical decisions. Technical contact with the customer inclusive of requirements, technical commitments, IRAD, future technical needs, etc. Ability to work across disciplines as our specialty requires interaction with Mechanical and Systems Engineering as well as Electrical Engineering Qualifications You Must Have: Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) degree and a minimum of 1 years’ prior relevant experience to include the following: EMI/EMC analysis design and test Experience with MATLAB, ANSYS / HFSS or CST Microwave Completed courses in Electromagnetic and/or Antennas Qualifications We Prefer: Master’s degree in chosen Engineering/Technical field Currently hold a DoD issued security clearance of Secret or higher Ability to provide detailed documentation related to EMI test plans and EMI procedures and as well as test reports with minimal revision and review Strong analytical skills. Strong customer focus with good verbal and written communication skills Good working knowledge of Microsoft Word and Excel What We Offer: Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. This position offers relocation based on candidate eligibility . Learn More & Apply Now! This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: https://www.state.gov/m/ds/clearances/c10978.htm As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 57,200 USD - 108,800 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms