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Senior Principal RF Engineer

BAE Systems
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Merrimack, NH, USA
Sep 20, 2026

Senior Principal RF Engineer

Location: Merrimack, New Hampshire

Job Description

See what you’re missing. Our employees work on the world’s most advanced electronics - from detecting threats for F-35 pilots to illuminating the night for soldiers. Spanning air, land, sea, and space, we are developing the technology of tomorrow, delivered today. Drawing strength from our differences, we’re innovating for the future. Our flexible work environment provides you a chance to change the world without giving up your personal life. We put our customers first - exemplified by our mission: “We Protect Those Who Protect Us®.” Sound like a team you want to be a part of? Come build your career with BAE Systems. Our engineers are the lifeblood of our company. With our robust offering of educational and career development opportunities, your chances to grow are limitless.

Given our continued growth, we have immediate roles available for a highly motivated Senior Principal RF/Microwave Engineer to join our Transition to Production, Production Support and Sustainment team working on our RF Converter Product Line. In this role, you will have a chance to grow your skills supporting the continued production and sustainment of various complex microwave modules, submodules, circuit card assemblies, and subsystems. You will have the opportunity to work closely with cutting-edge hardware fielded on the most advanced Military Platforms.

Activities day to day will vary and may include:

* Assessing design updates to existing microwave designs

* Conducting analyses to assess performance impacts

* Technical management of microwave subcontractors to design and develop microwave subassemblies.

* Mentoring junior engineers and technicians

* Working with hardware suppliers

* Supporting product yield and affordability improvements

* Supporting the debug of complex circuits

* Supporting the transition to production of new products

* Working in partnership with a cross functional team to ensure on time deliveries of quality products to support the War Fighter.

If you are looking to be immersed in a myriad of new technical challenges, this role is for you! At BAE Systems, we thrive in a diverse and dynamic team oriented environment with principles of respect and trust. Our engineers interact with colleagues and peers of various disciplines and backgrounds to arrive at innovative solutions to problems. We encourage collaboration and foster an environment of knowledge sharing and continuous learning. Take the first step towards achieving your career goals with us and apply today!

Required Education, Experience, & Skills

* 8+ years’ experience working on RF/Microwave designs within the frequency range of 50Mhz to 20GHz

* Experience testing and troubleshooting RF frequency converters including an understanding of all submodules such as low-noise amplifiers, pre-selectors, filter banks, mixers, Phased-locked-loops (PLLs), and Local Oscillators (LOs)

* RF path cascade analysis, experience with non-linear analysis is preferred

* Motivated self-starter with leadership skills and ability to effectively work in a team environment

* Excellent problem solving skills, judgment, and analytical capability.

* Ability to close on discrete tasking in a timely manner and lead others to closure - Own the Design

* Strong technical writing and verbal communication skills.

* Active or previously held Secret Clearance HIGHLY PREFERRED

Preferred Education, Experience, & Skills

* Active Secret Clearance HIGHLY PREFERRED

* Experience working in a manufacturing environment

* Experience in RF/Microwave subsystem, module and circuit design and development

* Experience gathering and analyzing test data to assess trends and develop yield improvement plans

* Design and analysis of microwave systems and circuits using Agilent Advanced Design Suite (ADS) and Genesys



Pay Information
Full-Time Salary Range: $132962 - $226035

Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.

Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.
About BAE Systems Electronic Systems BAE Systems, Inc. is a defense, aerospace, and security company headquartered in Falls Church, Virginia, with more than 40,000 employees worldwide. We serve, supply, and protect those who protect us. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support.

Our culture is performance-driven and values-led, built on curiosity, creativity, and collaboration. Purpose isn't a tagline here. It's what drives us. We're developing breakthrough technologies that defend national security and make a lasting impact on our communities and our planet. When you join BAE Systems, you're not just building a career. You're contributing to a mission that truly matters.

This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

Job ID

BAE1US129648BREXTERNAL

Security Clearance

SECRET
About BAE Systems
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