• Java Software Engineer

    CACI International (Sterling, VA)
    …Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... automated tests to verify functional requirements and enhance overall system performance. As part of the SHIV integration test...5+ years of relevant software development experience + Active TS / SCI clearance with Polygraph + Proficiency in… more
    CACI International (10/03/25)
    - Related Jobs
  • Mission Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a **Mission Systems Engineer ** with NRO experience to provide Modeling and Simulation (M&S) and Systems Engineering and ... and acquisitions that advance the NRO's space resiliency posture. The Mission Systems Engineer will work in a collaborative team environment supporting… more
    SAIC (11/06/25)
    - Related Jobs
  • Nuclear Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    …investigation and may need to meet eligibility requirements for access to classified information ; TS / SCI clearance is required. Compensation At Booz Allen, ... Nuclear Engineer Key Role: Design and construct nuclear reactors...physics, computational science, or fission reactor engineering + Active TS / SCI clearance; willingness to take a polygraph… more
    BOOZ, ALLEN & HAMILTON, INC. (11/01/25)
    - Related Jobs
  • Network Engineer

    Assertive Professionals (Chantilly, VA)
    … (https://mystaffingpro.com/sites/mystaffingpro.com/files/2018-05/tech\_faq\_sa.pdf) Position 1. Open Position - TS / SCI EOE Statement Assertive Professionals, ... Number AP--24-00029 Location Chantilly, Virginia Full-Time/Part-Time Full-Time Minimum Clearance TS / SCI with Polygraph Timeline Pipeline Description Assertive… more
    Assertive Professionals (08/22/25)
    - Related Jobs
  • Senior Systems Engineer / Network…

    Jacobs (Chantilly, VA)
    Knack Workes, a Jacobs company, is seeking a highly skilled Senior Systems Engineer / Network Engineer with 10+ years of IT experience and proven expertise ... with emerging technologies and recommend solutions that align with organizational goals. * TS / SCI w/ CI Poly Clearance * Bachelor's degree in Computer Science,… more
    Jacobs (11/13/25)
    - Related Jobs
  • Cloud Cyber Engineer

    CACI International (Sterling, VA)
    …and information systems to facilitate secure missions. + Information System Owners (ISOs) guidance, requirements understanding, and options to support ... SCI clearance with Poly + Bachelor's degree in information systems , systems engineering, electrical... System Security control requirements + Understanding of information security systems engineering principles and IT… more
    CACI International (11/11/25)
    - Related Jobs
  • Infrastructure Engineer /Administrator

    CACI International (Mclean, VA)
    …automating repetitive tasks to improve efficiency, performance, and the security profile of the systems under management. The system engineer must also act ... Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage...**The Opportunity:** CACI is seeking a highly motivated Linux System Engineer and Administrator with hands on… more
    CACI International (09/26/25)
    - Related Jobs
  • Model Based Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a cleared Model Based Systems Engineer with experience in Defense, Federal Civilian, and/or National Security systems to join ... (DNG, RQM, iRIS, etc.) is a bonus + Broad systems engineering experience (eg system architecture and...+ Must be a US Citizen with an active TS / SCI with a Polygraph. REQNUMBER: 2508711 SAIC… more
    SAIC (11/14/25)
    - Related Jobs
  • SIGINT Enterprise Systems Engineer

    KBR (Chantilly, VA)
    Title: SIGINT Enterprise Systems Engineer Belong. Connect. Grow. with KBR! The candidate will focus on SIGINT mission trades, capability definition, CONOPS ... + Working Hours: Standard/Flexible Qualifications: Required: + Security Clearance Requirements: TS / SCI required and Polygraph eligible + Education: Requires 12… more
    KBR (09/30/25)
    - Related Jobs
  • Senior RF/Electrical Engineer (Vaxcom)

    Parsons Corporation (Chantilly, VA)
    …considerations.** **Experience in foreign field operations.** **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is ... is looking for an amazingly talented **Senior R/F Electrical Engineer ** to join our team! In this role you...in the installation, evaluation, testing, and maintenance of existing systems , new technology, and system design in… more
    Parsons Corporation (08/27/25)
    - Related Jobs