• Senior Systems Engineer

    Leidos (Alexandria, VA)
    …Chantilly, VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. ... is currently seeking a highly motivated and experienced Senior Systems Engineer for the Chinook Program. The...the fiscal year ended January 3, 2025. For more information , visit www.Leidos.com . **Pay and Benefits** Pay and… more
    Leidos (11/22/25)
    - Related Jobs
  • Ground Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a Ground Systems Engineer to work on complex projects crucial to our national security objectives. They will provide Systems ... MBSE tools into a digital thread to connect siloed information systems . + Leverage digital twin technologies...**Required:** + Must be a US Citizen. + Active TS / SCI clearance with current polygraph. + Bachelor's… more
    SAIC (12/13/25)
    - 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 ... leadership and practical engineering application by leveraging your extensive Systems Engineering and Model Based Systems Engineering...+ Must be a US Citizen with an active TS / SCI with a Polygraph. REQNUMBER: 2508711 SAIC… more
    SAIC (11/14/25)
    - Related Jobs
  • MBSE Systems Engineer

    SAIC (Chantilly, VA)
    …The Intel Space Organization has an opening for a entry to mid level systems engineer to provide Systems Engineering and Technical Assistance (SETA) ... is responsible for designing, building, and operating national security-related systems based in space, in the air, and on...at least 2 years of relevant experience + Active TS / SCI clearance with polygraph + Working knowledge… more
    SAIC (10/29/25)
    - Related Jobs
  • Systems Engineer

    KBR (Chantilly, VA)
    Title: Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions ... protecting our national security. KBR is seeking a System Engineer to work on an exciting, fast-paced program in...Minimal + Working Hours: Standard QUALIFICATIONS Required: + Active TS / SCI with polygraph required. + Bachelor's degree… more
    KBR (12/19/25)
    - Related Jobs
  • IT Systems Engineer

    SAIC (Chantilly, VA)
    … and applications to ensure smooth integration of new technologies with existing systems . **Qualifications** + Active TS / SCI with Polygraph. + Bachelors ... **Description** SAIC is seeking an **IT Systems Engineer ** to develop updated guidance...is located in **Chantilly, VA** and requires an **active TS / SCI clearance with Polygraph** . Job responsibilities… more
    SAIC (12/24/25)
    - Related Jobs
  • SIGINT Systems Engineer

    SAIC (Chantilly, VA)
    …related experience. Relevant experience to be substituted in lieu of degree. + Active Top Secret / SCI clearance with Poly. + Experience with space/ground ... **Description** SAIC is seeking an **SIGINT Systems Engineer ** to support SAIC's Prime...has annual revenues of approximately $6.5 billion. For more information , visit saic.com. For information on the… more
    SAIC (11/21/25)
    - Related Jobs
  • Systems Engineer - Senior

    Parsons Corporation (Centreville, VA)
    … Engineering or a related field + Must be a US Citizen + Must possess and maintain Top Secret SCI clearance with CI poly + Must have proficient Linux command ... and Systems team is hiring a Senior Systems Engineer with a passion for mission...quality assurance (QA) experience **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security… more
    Parsons Corporation (12/06/25)
    - 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 (12/29/25)
    - Related Jobs
  • Crypto Systems Engineer

    KBR (Chantilly, VA)
    Title: Crypto Systems Engineer Belong. Connect. Grow. with KBR! Support the Directorate by evaluating and certifying the implementation, integration, and ... controlled Space systems , through robust cryptographic security engineering and information systems security engineering disciplines. Why Join Us? +… more
    KBR (12/06/25)
    - Related Jobs