Senior RF & Antenna Systems Engineer – Phased Arrays

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

Job summary

CACI International Inc 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 antennas and RF subsystem integration across the full engineering lifecycle.

You will collaborate with multidisciplinary teams to deliver innovative, practical solutions, from concept development through prototype testing and transition to fielded

Qualifications

• Bachelor’s degree in Electrical Engineering, Computer Engineering, Physics, or a related technical field.
• 10+ years of experience in RF systems, antenna systems, or related mission applications.
• Experience designing, analyzing, integrating, and testing RF and antenna systems, with emphasis on phased arrays and/or reflector antennas.
• Strong knowledge of RF propagation, link budgets, range estimates, cascade analysis, interference effects, and system sensitivity.
• Experience developing and managing system and subsystem technical requirements.
• Hands-on experience with RF test equipment such as network analyzers, spectrum analyzers, and power meters.
• Familiarity with antenna performance metrics such as gain, beamwidth, sidelobes, efficiency, scan loss, and aperture illumination.
• Experience working in multidisciplinary engineering teams.
• Strong written and verbal communication skills.
• Experience supporting proposals and BOE development.
• 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 associated 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 and procedures 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 technical guidance to junior engineers as needed.

Skills

10+ years RF systems experience

Strong written and verbalcommunication

Ability to work independently

Experience multidisciplinary teams

Education

Bachelor’s degree in Electrical/Computer Engineering or Physics

Master’s degree in Electrical Engineering or related field

Tools

Microwave Office

Keysight Genesys

MATLAB

Python

Job description

CACI International Inc 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 antennas and RF subsystem integration across the full engineering lifecycle.

You will collaborate with multidisciplinary teams to deliver innovative, practical solutions, from concept development through prototype testing and transition to fielded