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Junior Rf Engineer Jobs in Fairfax, VA (NOW HIRING)

KBR, Inc.

RF Analyst - Senior

Springfield, VA · On-site

$183K - $224K/yr

Mentor junior engineers and analysts in RF vulnerability analysis techniques; perform quality assurance reviews of products. * Ensure compliance with organizational standards and applicable ...

KBR

RF Analyst - Senior

Springfield, VA · On-site

$183K - $224K/yr

Mentor junior engineers and analysts in RF vulnerability analysis techniques; perform quality assurance reviews of products. * Ensure compliance with organizational standards and applicable ...

KBR

Jr RF Specialist

Chantilly, VA · On-site

KBR's areas of expertise include engineering, logistics, operations, science, program management ... What You'll Do As an RF Specialist - Junior, you will: * Perform analysis of electronic RF data ...

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Junior Rf Engineer information

See Fairfax, VA salary details

$33.2K

$71.3K

$108.7K

How much do junior rf engineer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for junior rf engineer in Fairfax, VA is $71,260.00, according to ZipRecruiter salary data. Most workers in this role earn between $48,100.00 and $79,400.00 per year, depending on experience, location, and employer.

What is a junior RF engineer?

Junior RF Engineers are entry-level professionals who assist in the design, testing, and maintenance of radio frequency (RF) systems and equipment. They typically work under the supervision of senior engineers and help with tasks such as signal analysis, equipment troubleshooting, and network optimization. Their responsibilities may include collecting data, performing basic simulations, and supporting the development of wireless communication systems. This role is an excellent starting point for those looking to build a career in RF engineering and telecommunications.

What are some common challenges faced by junior RF engineers during their first year on the job?

Junior RF Engineers often encounter challenges such as troubleshooting complex signal issues, adapting to rapidly changing technology, and interpreting technical documentation. They may also find it challenging to balance hands-on fieldwork with desk-based analysis and to communicate technical findings to non-technical team members. Gaining proficiency in industry-standard software tools and learning to collaborate effectively with cross-functional teams are also common hurdles that, once overcome, contribute significantly to professional growth.

What are the key skills and qualifications needed to thrive as a junior RF engineer, and why are they important?

To thrive as a Junior RF Engineer, you need a solid understanding of radio frequency principles, circuit design, and telecommunications, typically with a degree in electrical or electronics engineering. Familiarity with tools like spectrum analyzers, network analyzers, RF simulation software (e.g., CST, HFSS), and knowledge of industry standards are highly valued. Strong problem-solving, attention to detail, and effective teamwork are important soft skills for this role. These skills ensure accurate system design, troubleshooting, and collaboration essential to the successful deployment and maintenance of RF systems.

What is the difference between Junior Rf Engineer vs RF Technician?

AspectJunior Rf EngineerRF Technician
Required CredentialsBachelor's in Electrical Engineering or related field; some certificationsTechnical diploma or associate degree; specialized training
Work EnvironmentDesign, testing, and development in labs or officesFieldwork, installation, and maintenance at sites
Employer & Industry UsageTelecom, aerospace, defense companiesTelecom providers, network service companies

The main difference is that Junior Rf Engineers focus on designing and testing RF systems, often requiring a degree and some certifications, while RF Technicians handle installation and maintenance tasks in the field with more technical training. Both roles are essential in the telecom and RF industry but serve different functions based on skills and responsibilities.

What are the most commonly searched types of Rf Engineer jobs in Fairfax, VA?

The most popular types of Rf Engineer jobs in Fairfax, VA are:

What are popular job titles related to Junior Rf Engineer jobs in Fairfax, VA?

For Junior Rf Engineer jobs in Fairfax, VA, the most frequently searched job titles are:

What job categories do people searching Junior Rf Engineer jobs in Fairfax, VA look for?

The top searched job categories for Junior Rf Engineer jobs in Fairfax, VA are:

What cities near Fairfax, VA are hiring for Junior Rf Engineer jobs?

Cities near Fairfax, VA with the most Junior Rf Engineer job openings:

Junior Rf Engineer jobs near you
Infographic showing various Junior Rf Engineer job openings in Fairfax, VA as of August 2026, with employment types broken down into 92% Full Time, 4% Part Time, and 4% Contract. Highlights an 86% Physical, 6% Hybrid, and 8% Remote job distribution, with an average salary of $71,260 per year, or $34.3 per hour.

Visualization & Simulation Software Engineer (Geospatial/RF Systems)

FTS International LLC

Chantilly, VA • On-site

$90K - $120K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 28 days ago

Job description

FTS International, LLC (FTS) is committed to providing the Federal Government with quality consultants and support. To ensure mission success we focus on putting our customers first while minimizing corporate bureaucracy on our staff. We provide Subject Matter Experts (SME) free of Organizational Conflicts of Interest (OCI) focused on independent analysis and mission support services within the disciplines of Engineering, Counter Terrorism Operations, Management, Information Technology, Signals Analysis, Administration, Cyber Security and Linguistics.
FTS has an opportunity for a Visualization & Simulation Software Engineer (Geospatial/RF Systems) in Chantilly, VA.
The Visualization & Simulation Software Engineer (Geospatial/RF Systems) will develop advanced 3D visualization and simulation tools for geospatial, satellite, and RF-based systems.
Responsibilities
  • Design and develop real-time 3D visualization platforms using Three.js for:
    • Satellite orbits and trajectories
    • Antenna cones, beam patterns, and coverage volumes
    • Line-of-sight and obstruction modeling
  • Build full-stack systems connecting Python-based simulation engines to webbased visualization clients (WebSockets, APls, streaming pipelines)
  • Develop and optimize geometry and spatial algorithms, including:
    • Coordinate transforms (ECEF, ENU, azimuth/elevation)
    • Volume intersection
    • Visibility and occlusion detection
  • Handle large-scale, time-dependent datasets (interpolation, streaming, preloading strategies)
  • Optimize rendering performance for high object counts and real-time updates
  • Architect backend services for simulation, data ingestion, and preprocessing
  • Guide system design decisions and mentor junior engineers

Required Skills/Qualifications
  • US Citizen
  • Ability to obtain a TS/SCI with polygraph
  • BS STEM (Science, Technology, Engineering, or Math) in engineering discipline
  • 5+ years of software development experience
  • Strong expertise in JavaScript/Typescript and Three.js (WebGL)
  • Strong proficiency in Python for simulation, numerical computation, or backend services
  • Deep understanding of 3D math and spatial reasoning, including:
    • Vector math, coordinate systems, transformations
    • Spherical geometry and geospatial calculations
  • Experience building real-time or near-real-time systems
  • Strong algorithm development and problem-solving skills, especially for geometry-heavy problems
  • Experience with full-stack development (REST APls, WebSockets, client-server architecture)

Desired Skills/Qualifications
  • TS/SCI with polygraph
  • Experience with:
    • Satellite systems, orbital mechanics, or geospatial platforms
    • RF/antenna modeling or signal propagation
    • Scientific visualization or simulation systems
  • Familiarity with:
    • PyVista, VTK, or similar for backend 3D processing
    • GPU concepts (shaders, GLSL, WebGPU)
  • Experience with Dockerized deployments and production systems
  • Background in physics, aerospace, or related technical domains

Expected Salary Range: $90,000 - $120,000 per year. Placement within the range is determined by qualifications, job-related criteria, experience, internal equity and market considerations. In addition, FTS International, LLC has benefits offerings in addition to salary to include Health Insurance, Paid Time Off, Life Insurance, Short Term and Long-Term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
FTS International, LLC is an Equal Opportunity Employer - vets/disabled.

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