Senior RF/Antenna Engineer

About the role

The Defense Systems Group at Leidos has an immediate opening for a Senior RF / Antenna Engineer at our St. Petersburg, FL facility. This position supports the development, integration, and testing of advanced RF and phased array antenna systems for mission-critical defense applications.

Responsibilities

• Design, analyze, and optimize RF and antenna subsystems.
• Perform electromagnetic simulations and validate performance through laboratory and field testing.
• Support system architecture development and RF link analysis.
• Develop antenna concepts and perform trade studies for performance, size, weight, and power constraints.
• Conduct RF measurements, debugging, and performance characterization.
• Support integration of RF hardware into larger system architectures.
• Prepare technical documentation, test reports, and engineering presentations.
• Collaborate with systems, mechanical, digital, and software engineering teams.
• Participate in design reviews and technical assessments.
• Support proposal efforts and customer technical discussions as needed.

Qualifications

• Bachelor’s degree in Electrical Engineering, Electromagnetics, Physics, or related technical discipline with 4–8 years of relevant experience; OR
• Master’s degree in Electrical Engineering, Electromagnetics, Physics, or related technical discipline with 2–6 years of relevant experience.
• Strong understanding of RF and microwave engineering fundamentals.
• Experience with antenna design, analysis, and testing.
• Familiarity with electromagnetic simulation and modeling tools such as HFSS, CST, FEKO, ADS, or similar.
• Experience with RF test equipment including VNAs, spectrum analyzers, signal generators, power meters, and oscilloscopes.
• Knowledge of RF propagation, impedance matching, link budgets, and system-level RF performance.
• Ability to analyze technical data and troubleshoot RF system issues.
• Strong written and verbal communication skills.
• Ability to work effectively in a collaborative engineering environment.