L3Harris Technologies Resume Guide: Tips, Keywords & Examples (2026)

What It's Like to Work There

Engineering-heavy culture where technical depth is respected. Melbourne, FL headquarters gives it a different vibe than DC-area defense contractors. Strong focus on innovation and R&D investment. The merger is still being integrated, so culture varies between legacy L3 and Harris teams.

Resume Tips for L3Harris Technologies

L3Harris is strong in RF engineering, tactical radios, and electronic warfare. If you have signal processing, antenna design, or SIGINT experience, lead with it.

Mention experience with space payloads, satellite communication, or ground systems. L3Harris builds components that go on many US military and intelligence satellites.

With the Aerojet Rocketdyne acquisition, propulsion engineering experience is now relevant. If you have solid rocket motor or liquid engine experience, highlight it.

Show experience with real-time embedded systems, FPGA design, or DSP algorithms. Much of L3Harris's product line requires these skills.

If you've worked in ISR or C4ISR environments, emphasize the specific systems and missions you supported.

Quantify technical outcomes: detection range improvements, signal-to-noise ratio gains, or weight/power reductions on payload designs.

Hiring Process

Online application, then recruiter phone screen

Technical phone interview, often with the engineering lead

Onsite or virtual loop with 3-4 interviews: technical, behavioral, and team fit

Security clearance required for most defense roles, adding months to the process

Interview Style

Deep technical interviews that test domain knowledge in RF, signal processing, embedded systems, or whatever the role requires. Behavioral rounds focus on teamwork and adaptability. They want engineers who can go deep on the physics and math behind their systems.