Principal RF Engineer

Req. Number

26-436

Job Description

Mercury Systems is seeking the best and brightest talent to help us bring cutting edge technology to mission critical aerospace and defense applications, advancing innovation where it matters most.

The Principal RF Engineer will be responsible for leading the design and development of highly integrated RF, microwave, and mm‑wave subassemblies and systems for high‑reliability defense environments. You will drive requirements, architecture, analysis, design, test, and transition to production for complex RF electronic hardware while collaborating across engineering, operations, supply chain, and quality teams. As a technical leader, you will influence programs, proposals, and product roadmaps, ensuring our RF solutions perform under the most demanding conditions and directly support national security

Job Responsibilities:

• Lead detailed design and development of RF circuits, modules, and subsystems

• Provide technical inputs for program plans, proposals, and bid activities

• Diagnose and resolve complex technical issues related to RF product design, manufacturing, and test.

• Execute detailed circuit design, schematic capture, PCB layout oversight, and engineering package release into production

• Serve as the technical lead for development programs, ensuring effective collaboration and communication across engineering disciplines

• Develop functional specifications and coordinate firmware/software requirements necessary to support RF modules

• Lead customer‑facing meetings, design reviews, and technical program discussions, while contributing to long‑term product roadmaps

Required Qualifications:

• Bachelor's degree in electrical engineering or physics

• Typically requires a minimum of 6 years of experience in high reliability, aerospace, or defense electronics product development and manufacturing

• Experience designing and testing RF IMAs and CCAs

• Demonstrated technical leadership experience in RF product development

• Extensive experience testing and troubleshooting RF/microwave, analog, digital, and mixed‑signal circuits

• Expertise operating RF/microwave test equipment and RF simulation tools such as Microwave Office, ADS, or HFSS

• Experience transitioning new RF hardware designs into manufacturing and supporting integration and test activities

• Active security clearance required on day one. Security clearances may only be granted to U.S. citizens

Preferred Qualifications:

• Master's degree in electrical engineering or physics

• Experience with RF system simulation, distributed and lumped element filter design, and microwave/ mixed signal circuit design

• Experience supporting failure analysis and Root‑Cause Corrective Action (RCCA) activities

• Familiarity with rugged aerospace/defense product development processes

Why Mercury?

Why should you join Mercury Systems?

Mercury Systems is a technology company that makes the world a safer, more secure place. We push processing power to the tactical edge, making the latest commercial technologies profoundly more accessible for today's most challenging aerospace and defense missions. From silicon to system scale, Mercury enables customers to accelerate innovation and turn data into decision superiority. Headquartered in Andover, Massachusetts, Mercury employs more than 2,300 people in 24 locations worldwide. To learn more, visit mrcy.com

Our Culture

We are committed to making Mercury a great place to work, no matter where our employees are located. We offer a casual and enjoyable atmosphere that allows employees to learn and grow. We help and care for one another and work as one to achieve results for us and for our customers. We value communication and transparency, and strive to foster two-way dialogue at all levels of the organization. We are committed to lifelong learning, offering comprehensive skills training and tuition reimbursement. Whether you're just starting out on your career journey or you are an experienced professional, it's important to us that you feel recognized and rewarded for your contributions.

To find out more about Why Mercury? ( , or visit the Mercury Community ( or find answers to general questions at Mercury FAQs (

Mercury Systems is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex (including pregnancy), sexual orientation, gender identity, national origin, genetic information, creed, citizenship, disability, protected veteran or marital status.

As an equal opportunity employer, Mercury Systems is committed to a diverse workforce. In order to ensure reasonable accommodation for individuals protected by Section 503 of the Rehabilitation Act of 1973, the Vietnam Veterans' Readjustment Act of 1974, and Title I of the Americans with Disabilities Act of 1990, applicants that require accommodation in the job application process may contact the number below for assistance.

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