Principal Systems Engineer

Date Posted:

2026-09-24

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:

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 Principal Systems Engineer to join our team within the Systems Engineering and Test Capabilities (SE&TC) Surface Radars & Sensors Center, supporting the SPY-6 Family of Radars in defining customer needs, functional and product architecture, requirements definition and decomposition, system performance, execution of system integration and analysis activities. This role will require communication skills to convey solutions and results to teammates and leadership.

What You Will Do

• Develop concepts of operations for radar systems.
• Radar processing algorithm development.
• Radar software requirements development.
• Statistical and numerical analysis of radar performance data.
• Analysis tool development in support of problem identification and resolution.
• Working with Systems and Software Engineers to develop and implement solutions.
• Present findings and solutions to Leadership and/or Customers.
• Willingness for occasional travel to support mission execution at various facilities and test sites. Travel will be minimal, approximately 5%.
• This role can be based out of Tewksbury, MA or Marlborough, MA.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of 8 years of prior relevant experience.
• Experience with systems: software, hardware, requirements, integration, and/or test.
• Experience with MATLAB.

Qualifications We Prefer

• Experience with design, development, and analysis of radar system and software architecture on DoD systems.
• Experience with signal processing techniques in complex propagation environments.
• Design experience in the following radar system areas: antenna, receiver/exciter, waveforms, digital beamforming, multi-sensor track management and data fusion, adaptive signal processing, clutter mitigation techniques, electronic attack and electronic protect, sensor resource management and mission planning.
• Experience with C++, Python, or similar.
• Experience in developing and managing requirements, including use of DOORS, Rhapsody, Cameo or other digital engineering tools.
• Experience with technical writing and oral presentations.

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.
• Relocation Eligibility– Relocation assistance available.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attendselect 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 107,500 USD - 204,500 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.

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