Senior RF/Antenna Engineer

CACI International Inc

Lead RF/Antenna Engineer responsible for the development and analysis of RF system architectures and antenna designs. Contributing significantly to innovative projects and mentoring junior engineers.

Posted 5/3/2026full-timeFairfax • Virginia • 🇺🇸 United StatesSenior💰 $105,100 - $231,100 per yearWebsite

Tech Stack

Tools & technologies

AssemblyPython

About the role

Key responsibilities & impact

Lead the conceptualization, design, and analysis of RF system architectures and antenna designs, including receivers, transmitters, synthesizers, antennas, antenna arrays, and RF protection circuits
Apply engineering experience and knowledge to provide creative and timely design solutions to projects with complex requirements and aggressive milestones while meeting financial budget goals
Work on multiple fast-paced RF and antenna focused projects and activities
Lead design teams and actively participate in the design, development, and measurement of advanced RF systems and antennas
Guide and mentor junior RF/antenna engineers
Design, model, analyze, and measure the performance of various types of antennas including reflectors, phased arrays, and their supporting components
Design, model, analyze, and measure the performance of wideband receive and transmit RF front-ends
Contribute to the fabrication and assembly of prototype RF systems and antennas
Serve as a lead contributor/author for white papers/customer proposals/IRAD proposals
Serve in a consulting role as a Subject Matter Expert (SME) for all aspects of RF system and antenna design, development, and measurement across your team/organization and across multiple organizations within the company
Work independently to complete individual engineering tasks while seamlessly collaborating with the larger multidisciplinary team.

Requirements

What you’ll need

Bachelor of Science in Electrical Engineering (MSEE desired)
15+ years of experience in RF/Antenna design
Strong understanding of antenna theory and RF principles
Understanding of RF system and antenna design processes
Experience in designing, building, and testing prototype RF systems
Knowledge of RF propagation, link budgets, range estimates, cascade analysis, and system sensitivity assessments
Proficiency in electromagnetic and system simulation software such as HFSS, ADS, Microwave Office, Keysight Genesys (or SystemVue), WASP-NET, and GRASP
Experience in ultrawideband phased array design and measurement
Experience in advanced reflector antenna design and measurement including simultaneous multiband and phased array feeds
Experience using scripting languages such as MATLAB and Python to process and analyze predicted and measured RF data
Hands on experience with network analyzers, spectrum analyzers, and power meters
Knowledge of basic electrical circuits, such as power supply design.
Highly motivated, self-starting, ready to go above and beyond.

Benefits

Comp & perks

healthcare
wellness
financial
retirement
family support
continuing education
time off benefits

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

RF system architectureantenna designreceiver designtransmitter designsynthesizer designRF protection circuitselectromagnetic simulationprototype RF systemsultrawideband phased array designreflector antenna design

Soft Skills

leadershipmentoringcollaborationproblem-solvingcreativityindependencetime managementcommunicationteamworkadaptability

Certifications

Bachelor of Science in Electrical EngineeringMaster of Science in Electrical Engineering