Senior Systems Engineer

Location: US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord Date Posted: 2026-10-01 Country: United States of America 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: Secret - Current Security Clearance Status: Active and existing security clearance required on 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. Raytheon is seeking a talented and motivated Systems Engineer II to join our team within the Systems Engineering and Test Capabilities (SETC) Discipline, supporting the LTAMDS Family of Radars (FoR). This role offers a unique opportunity to work across the full lifecycle of the product, from concept to deployment. Every day will bring new challenges, requiring you to collaborate across disciplines to troubleshoot issues, perform data analysis, and implement solutions. Your contributions will directly impact the success of mission‑critical defense systems, and you'll have a hands‑on role in ensuring the entire system functions seamlessly. This role can be based out of Tewksbury, Andover, or Marlborough MA, Woburn MA or Pelham NH. What You Will Do: Core Systems Engineering: Develop requirements and algorithms, concepts of operations, and define system interfaces. Lead Testing Efforts: Develop and implement test plans, procedures, integration, and verification documentation in both simulated and real‑world environments. Troubleshoot and Analyze: Identify and resolve hardware, software, and system issues through detailed data analysis and debugging. Drive Performance: Collaborate across functions to drive performance improvements and resolve system issues. Modeling and Simulation: Develop and execute models to predict system performance and support verification and validation. Integrate Systems: Integrate hardware and software into tactical systems, evaluating their functionality and impact. Collaborate and Lead: Work with and lead a multi‑disciplinary team to achieve seamless integration and system functionality. Document and Communicate: Develop integration documentation, execute plans, analyze data, verify requirements and effectively communicate results to leadership and stakeholders. Perform Data Analysis: Conduct statistical and numerical analysis of radar performance data to ensure optimal system performance and verify requirements. Present Findings: Present technical findings and solutions to leadership and customers. Support Missions: Travel as needed (up to 20%) to support mission execution at various locations including local RTX facilities, test sites, vendor facilities, and customer locations. Qualifications You Must Have: Typically requires a Bachelor’s in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 5 years of prior engineering experience. Experience with systems software, systems hardware, systems requirements, systems integration, and/or systems test. 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. Qualifications We Prefer: Experience with DOORS, Rhapsody, Cameo, or other digital engineering tools. Experience with model‑based engineering. Experience in developing and managing requirements. Experience developing both scripts and functions with MATLAB. Experience with C++, Python, or similar. Experience with generating technical documentation, such as test plans, procedures, or technical reports. Experience working in an integration lab, test facility, or in the field, supporting integration and/or verification. Experience with evaluating systems using simulated environments. Experience interfacing with internal and external customers. 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. 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. 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 holidays 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 #J-18808-Ljbffr