Senior RF & Antenna Architect — Phased Arrays & Beamforming

CACI; Fairfax (VA); On-site; USD 99,000 - 207,000; Full time

Job summary

CACI is seeking a Senior RF and Antenna Systems Engineer to support the design, development, integration, and test of advanced RF and antenna solutions for mission-critical defense applications. This role focuses on phased array and reflector antennas across the full engineering lifecycle—from concept to fielded systems.

You will work with multidisciplinary teams to deliver innovative, practical solutions, develop architectures and requirements, perform analyses, and contribute to proposals and

Qualifications

• Bachelor's degree in Electrical/Computer Engineering or related field.
• 10+ years of RF/antenna design experience.
• Experience with phased arrays or reflector antennas.
• Experience with RF test equipment.
• Strong written and verbal communication.
• Ability to work independently in a fast-paced environment.

Responsibilities

• Lead and support the design, development, integration, and test of advanced RF, phased array, and reflector antenna systems.
• Develop system and subsystem architectures, requirements, and trade studies for antennas, apertures, beamforming approaches, RF distribution networks, feeds, and hardware.
• Perform system-level analyses including RF propagation, link budgets, range estimates, cascade analysis, interference assessments, and sensitivity evaluations.
• Support prototype development, fabrication, and assembly of RF systems and antenna hardware.
• Develop and execute test plans for laboratory, chamber, range, and field testing; analyze results and recommend design improvements.
• Present technical concepts, tradeoffs, and program status to leadership, customers, and stakeholders.
• Contribute to proposals, IRAD efforts, technical volumes, and BOE development.
• Collaborate across multidisciplinary teams and provide guidance to junior engineers.

Skills

RF systems

Antenna systems

Phased arrays

System requirements

RF test equipment

Communication skills

Education

Bachelor's degree in Electrical Engineering

Master's degree in Electrical Engineering (preferred)

Tools

Microwave Office

Keysight Genesys

MATLAB

Python

Job description

CACI is seeking a Senior RF and Antenna Systems Engineer to support the design, development, integration, and test of advanced RF and antenna solutions for mission-critical defense applications. This role focuses on phased array and reflector antennas across the full engineering lifecycle—from concept to fielded systems.

You will work with multidisciplinary teams to deliver innovative, practical solutions, develop architectures and requirements, perform analyses, and contribute to proposals and