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RF Systems Engineer - Junior with Security Clearance

Castalia Systems
Chantilly, VA Full Time
POSTED ON 4/3/2026
AVAILABLE BEFORE 5/1/2026
Job Type: Full- Time Workplace Type: Onsite in Chantilly, VA and Reston, VA (time split between locations as needed) Clearance: TS/SCI w/ CI Poly Must be a U.S. Citizen Benefits: Medical, dental, and vision coverage, 401k matching, generous PTO, paid holidays, professional training opportunities, and even pet insurance to ensure your furry friends are cared for too. Job Summary Castalia Systems is currently searching for a Systems Engineer with a focus on RF/Signal Processing to join our team for an exciting contract supporting our IC customer. The selected candidate for this position will participate in the engineering teams in the development of complex processing capabilities in support of national security for our IC customer. Roles and Responsibilities A qualified candidate will perform the following duties and responsibilities, but are not limited to:

  • Assisting the government in the acquisition of new capabilities and upgrades.
  • Regular communications with users to understand new requirements, working with development contractors to understand requirements and developing plans to deliver new capabilities, working with Operations to coordinate testing and the final delivery of new capabilities to fulfill user requirements.
  • Various systems architectures and eventually act as subject matter experts in advising the government clients on acquisition related decisions.
  • Witnessing equipment installations and testing
  • Assist the government in contract related work including the development of Statements of Work, proposal review and development contractor performance assessments.
  • Focus on understanding the detailed network architectures that make up the systems and work with developers and operations to troubleshoot network issues. Required Qualifications:
  • Bachelor's in Engineering, Computer Science, or related technical degree
  • Minimum 5 years of related experience
  • Requirements documentation is another key responsibility to ensure the baseline is maintained.
  • Basic RF understanding Desired Qualifications:
  • DoD or IC experience
  • Space domain awareness knowledge or experience
  • Good understanding of standard IT networks, performance, topologies, etc. Physical Requirements/Work Environment
  • Onsite in Chantilly, VA and Reston, VA (time split between locations as needed) Travel
  • Minimal travel up to 15% within the United States and OCONUS Company Description Castalia Systems is a proven business partner providing mission critical solutions to the Federal Government. We provide cutting edge solutions from Securing and Managing Data to Systems Engineering and Development. Castalia Systems is a pioneer in Artificial Intelligence Design and Application. With our vast knowledge of our customers- needs and relevant technology, our team can bring successful solutions to every mission. We are one-upping our competitors by providing premium IT solutions and platforms with cutting-edge technology so it-s evident when you compare us with anyone. Disclaimer Castalia Systems is an equal employment opportunity and affirmative action employer and strives to comply with all applicable laws prohibiting discrimination based on race, color, creed, sex, sexual orientation, age, national origin, or ancestry, physical or mental disability, veteran status, marital status, HIV-positive status, as well as any other category protected by federal, state, or local laws. All such discrimination is unlawful, and all persons involved in the operations of the company are prohibited from engaging in this type of conduct.

Salary.com Estimation for RF Systems Engineer - Junior with Security Clearance in Chantilly, VA
$112,000 to $131,880
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