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Senior Software Engineer - C++
Raytheon Marlborough, Massachusetts
10/25/2026
Full time
Job Description Date Posted: 2026-08-20 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 RTX, the world's 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. This is your opportunity to join the Receiver Exciter and Processing Architecture (REPA) Department as a Senior Software Engineer. The team's primary goal is to design, architect, and implement signal processing algorithms on a variety of high-performance processing platforms - including CPUs, FPGAs and GPUs, on COTS and semi-custom hardware platforms, for next generation radar systems. What You Will Do: Code, test, and integrate C++ real-time signal processing algorithms or control functions for sensor systems on Linux. Defect resolution and code maintenance/updating of existing codebases. Analyze numerical accuracy and runtime latency. Collaborate with systems, hardware, and other software engineers to understand and implement end-user requirements. Maintain high code quality by supporting code reviews, static analysis, continuous integration. 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. C++ software development experience in Linux environments. Experience with networking concepts and protocols. Experience with Object-Oriented Analysis / Design (OOAD). 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: Realtime software development experience. Experience with developer tools (Git, CMake, GoogleTest, gdb, profilers, Jenkins, UML). Experience with scripting (Python, shell, bash). Experience with Agile methodologies (Scrum). Experience with DPDK. Experience with numerical libraries such as MKL, FFTW, BLAS, LAPACK, and ARM PL. Experience with DDS (Distributed Data Systems). Experience in C+ or newer. Experience with Linux device drivers. Experience developing GPU software with Nvidia Cuda. Radar or DSP knowledge. Active / Existing Secret U.S. Security Clearance. What We Offer: Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. This position offers relocation based on candidate eligibility. Learn More & Apply Now! Please ensure the role type defined below is appropriate for your needs before applying to this role. This position is classified as: 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. Clearance Information: 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: 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 Hardware Integration, Analysis & Test Engineer
Raytheon Tewksbury, Massachusetts
10/25/2026
Full time
Job Description Date Posted: 2026-08-17 Country: United States of America Location: US-MA-TEWKSBURY-TB1 50 Apple Hill Dr ASSABET BLDG 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 RTX, the world's 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. Raytheon's Receiver/Exciter & Processing Architecture (REPA) Department is the focal point for receiver, exciter, beam steering, and signal processing technology within the company. Our department is responsible for the design, development, integration, and lifecycle support of Raytheon's radar product portfolio. We are seeking a Senior Hardware Integration, Analysis & Test Engineer excited about the opportunity to sit at the intersection of radar hardware, firmware, software, and signal processing and make it all work together. Join a growing Integration & Test Suite (ITS) team whose common toolset currently supports more than six active radar programs across S-, C-, X-, and UHF-Band systems. If you're someone who gets more satisfaction from building a tool that eliminates a problem forever than from fixing the same issue over and over, this opportunity is for you. What You Will Do Write, use, and maintain software that controls, tests, and characterizes real radar hardware - from module level all the way to system integration. Dig into RF and IQ data to find the root cause of hard problems - the kind where the answer isn't obvious and the stakes are real. Perform Receiver/Exciter hardware, software, and firmware design verification tests across multiple radar bands and programs and figure out what the data is telling you. Build data analysis tools that give engineers and technicians answers faster - and eventually, building Artificial Intelligence/Machine Learning tools do some of the heavy lifting. Work directly with hardware designers, firmware developers, software and systems engineers - you'll need to speak all four languages. Hands on hardware test and troubleshooting. Own your work: if you build it, you'll support it, improve it, and teach others how to use it. Operate across multiple Raytheon sites and interface directly with program engineering, production, and systems teams. This 1st shift role will be 100% on-site and based in Tewksbury, MA, with significant travel expected to Marlborough, MA. 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. 3+ years' experience in two or more of the following areas: Radar system or subsystem integration, verification, and validation Programming in MATLAB or C/C++ Microwave/RF system, subsystem, and/or Circuit Card Assembly design or test The ability to obtain and maintain an Interim Secret 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. Qualifications We Prefer Experience with IQ and signal processing analysis in MATLAB, C/C++, Python, or equivalent. Experience with Linux and Git. Experience with Radar Receiver/Exciter design and/or design verification testing. Familiarity with radar system troubleshooting, root cause identification, and corrective action documentation. Technical background in high-speed data converter test/characterization, radar system calibration, digital signal processing, cascade analysis, or frequency planning. Exposure to AI/ML models or statistical process control concepts. Self-starter capable of working independently and as part of a small, collaborative technical team. Active / Existing Secret U.S. Security Clearance. What We Offer Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation. This position offers relocation based on candidate eligibility. 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. Clearance Information: 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: 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