Senior Principal RF Design Engineer

About this role

Date Posted: 2026-08-13

 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: 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 Raytheon. The department is responsible for the design, development, integration, and support to production builds, and lifecycle support of Raytheon products.

We have an opportunity for a Senior Principal RF Design Engineer who is seeking to utilize their academic background and professional experience in RF / Microwave system theory and design to help develop the next generation of Raytheon’s Radar Receiver, Exciter, and Transmitter products.

What You Will Do : • Architecture development, requirements analysis, hardware design, hands-on testing of components, circuit card assemblies, and subsystems.

• Design and development of transmitters, receivers, or exciters.

• Design and optimization of RF circuits – either chains of components (receiver, exciter, etc.) or individual parts (filters, limiters, couplers, etc.).

• Working with interdisciplinary teams – power, digital, mechanical, etc.

• Schematic capture and RF routing.

• Technical support during the transition to production and support to production activities.

• Cost and schedule management plus proposal writing.

• This 1st shift position will be 100% on-site & based in either Tewksbury, MA or Marlborough, MA, with travel between multiple MA sites anticipated.

Qualifications You Must Have : • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years’ of prior relevant experience.

• Experience with Microwave/RF system, subsystem and/or component analysis, design and/or test.

• Experience with electromagnetic simulation tools (e.g., HFSS, ADS, CST, and/or Mentor Graphics’ Xpedition) and analytical tools (e.g., MATLAB).

• 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 working in design, from concept through production.

• Experience translating system performance and operation specifications into hardware requirements, design, and test specifications.

• Background in designing for manufacturability, producibility, and cost constraints, which includes yield and margin analysis.

• Problem-solving skills with ability to proactively identify alternate solutions to overcome difficult technical challenges.

• Experience in technical writing and oral presentations.

• Technical background in any of the following areas: • Cascade analysis and/or frequency planning

• Filter design and fabrication

• Circuit card assembly and fabrication

• High speed data converter test / characterization

• Low Noise RF source design and test experience

• 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:  https://www.state.gov/m/ds/clearances/c10978.htm

#rfengineering

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 disabil

Similar jobs

• Sr Principal RF Engineer — FormFactor · Beaverton, OR
• Senior RF Design Engineer — Skydio · San Mateo, California, United States
• Senior RF Design Engineer — Motorola Solutions · Los Angeles, CA
• Senior RF Design Engineer — Motorola Solutions · San Diego, CA
• Senior RF Design Engineer — Aptiv · Carmel, IN - USA
• Senior Principal AE-RF Design Engineer — Cadence · AUSTIN | Burlington, MA | CARY
• Principal RFIC Design Engineer — Analog Devices · TX, Dallas, Tollway
• Principal RF Engineer — Leolabsinc · Menlo Park, CA