Principal RF Design Engineer

Job Description

Date Posted:

2026-08-07\n

Country:

United States of America \n

Location:

US-MA-MARLBOROUGH-MA2 ~ 1001 Boston Post Rd ~ BLDG 2 \n

Position Role Type:

Onsite \n

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​ \n

Security Clearance Type:

DoD Clearance: Secret \n

Security Clearance Status:

Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date\n

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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. 

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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.

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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.

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We have an opportunity for a 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.

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What You Will Do :

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  Design and development of transmitters, receivers, or exciters.

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

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

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  Schematic capture and RF routing.

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

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  This 1st shift role will be 100% on-site and based in either Tewksbury, MA or Marlborough, MA.

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Qualifications You Must Have :

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  Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum 8 years’ of prior relevant experience.

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

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

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  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.

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Qualifications We Prefer :

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  Experience working in design, from concept through production.

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

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

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

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  Experience in technical / proposal writing and oral presentations.

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  Technical background in any of the following areas:

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    Cascade analysis and/or frequency planning

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    Filter design and fabrication

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    Circuit card assembly and fabrication

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    High speed data converter test / characterization

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    Low Noise RF source design and test experience

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  Active / Existing Secret U.S. Security Clearance.

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What We Offer :

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  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.

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  This position offers relocation based on candidate eligibility.

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Learn More & Apply Now!

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  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.

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  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:  

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#rfengineering

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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.

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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.\n

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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.\n

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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.\n

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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.\n

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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.\n

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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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