The Senior RF Engineer will work across antennas and apertures, transmit and receive chains, RF front ends, frequency generation and distribution, calibration, digital interfaces, signal processing, mechanical and thermal design, manufacturing, and system integration to deliver reliable performance in contested and operationally demanding environments. Prepare and deliver concise, decision-ready technical briefings for executives and customers that translate complex RF concepts, analyses, and test results into audience-appropriate language while preserving the assumptions, uncertainty, limitations, technical risk, and program implications that matter to the decision.