Senior Principal Systems Engineer

Location: Tewksbury, MA (Concord Building) – role can also be based in Andover, MA; Marlborough, MA; or Pelham, NH. Onsite; U.S. citizenship required due to security clearance requirements.

About the Role

Raytheon is seeking a Senior Principal Systems Engineer to join the Systems Engineering and Test Capabilities (SETC) Discipline, supporting the LTAMDS and GhostEye Radars. This role spans the full product lifecycle—from concept to deployment—and involves collaboration across disciplines to troubleshoot issues, perform data analysis, and implement solutions that directly impact mission-critical defense systems.

Responsibilities

• Develop requirements, algorithms, concepts of operations, and system interfaces.
• Lead testing efforts: create and implement test plans, procedures, integration, and verification documentation in simulated and real-world environments.
• Troubleshoot and analyze hardware, software, and system issues through detailed data analysis and debugging.
• Develop and execute models to predict system performance and support verification and validation.
• Integrate hardware and software into tactical systems, evaluating functionality and impact.
• Develop integration documentation, execute plans, analyze data, verify requirements, and communicate results to leadership and stakeholders.
• Conduct statistical and numerical analysis of radar performance data to ensure optimal system performance and verify requirements.
• Present technical findings and solutions to leadership and customers.
• Travel up to 20% to support mission execution at RTX facilities, test sites, vendor facilities, and customer locations.

Requirements

• Degree in Science, Technology, Engineering, or Mathematics (STEM) with a minimum of 10 years of relevant experience.
• Experience with systems software, hardware, requirements, integration, and/or test.
• Experience developing scripts and functions with MATLAB.
• Active and transferable U.S. government-issued Secret security clearance required prior to start date.

Preferred Qualifications

• Experience with DOORS, Rhapsody, Cameo, or other digital engineering tools.
• Experience with model-based engineering.
• Experience developing and managing requirements.
• Experience with C++, Python, or similar programming languages.
• Experience generating technical documentation (e.g., test plans, procedures, reports).
• Experience working in integration labs, test facilities, or field support for integration/verification.
• Experience evaluating systems using simulated environments.
• Experience interfacing with internal and external customers.

Benefits

• Medical, dental, and vision insurance.
• Life insurance, short-term and long-term disability.
• 401(k) match.
• Flexible spending accounts.
• Flexible work schedules.
• Employee assistance program.
• Employee Scholar Program (education support).
• Parental leave, paid time off, and holidays.
• Annual short-term and/or long-term incentive compensation programs (eligibility dependent on role and collective-bargaining agreements).

Pay

The salary range for this role is $132,400 – $251,600 USD. Range reflects all experience levels; actual offer considers role, function, responsibilities, work experience, location, education/training, and key skills.