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Senior RF/Antenna Engineer

CACI
Fairfax, VA Full Time
POSTED ON 1/19/2026 CLOSED ON 2/3/2026

What are the responsibilities and job description for the Senior RF/Antenna Engineer position at CACI?

Job Profile:

Electrical Engineering T5

JR Type:

Funded

Job Category:

Engineering

Minimum Clearance Required to Start:

None

Percentage of Travel Required:

Up to 10%

Type of Travel:

Continental US

Program/Opportunity Name:

Program | Atlas

Referral Bonus Plan:

$1,000 - Standard

* * *

Job Description:

The Opportunity:
As a Senior RF/Antenna Engineer, you will lead the development and analysis of RF system architectures and antenna designs for both large and small-scale systems. Your expertise will drive the design and implementation of advanced systems, contributing significantly to the company’s innovative projects and future opportunities. Lead the conceptualization, design, and analysis of RF system architectures and antenna designs, including receivers, transmitters, synthesizers, antennas, antenna arrays, and RF protection circuits, etc. Apply your engineering experience and knowledge to provide creative and timely design solutions to projects having complex requirements and aggressive milestones while meeting financial budget goals. Join a dynamic, collaborative team where you will have the opportunity to work alongside engineers from a variety of disciplines.

Responsibilities:

  • 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.


Qualifications:

Required: 
 

  • Bachelor of Science in Electrical Engineering (MSEE desired) and 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.


Desired:

  • Understanding of spherical near-field ranges, including their setup and operations.

  • Active TS/SCI clearance

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more here.

Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this position is:

$105,100-$231,100

Salary : $105,100 - $231,100

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