• Spacecraft Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a **Spacecraft Systems Engineer ** . This position is located in **Chantilly, VA** and requires an **active TS /SCI clearance ... support a program office for a Major System Acquisition who requires a mid-career engineer with technical expertise in systems engineering who is anxious to grow… more
    SAIC (11/06/25)
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  • RF Systems Engineer

    KBR (Chantilly, VA)
    Title: RF Systems Engineer Title: Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology ... KBR is seeking a highly qualified Radio Frequency (RF) Systems Engineer to join our team. The...0-20% + Working Hours: Standard Qualifications: Required: + Clearance: TS /SCI with Polygraph required + Education: Bachelors in Engineering,… more
    KBR (01/09/26)
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  • Applied R&D Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC seeks an R&D Systems Engineer to join our team of professionals providing technical and program services to the US Government (USG). SAIC ... of next generation and generation after next national security systems based on land, at sea, in air, and...land, at sea, in air, and in space. The engineer sought here serves a USG Program Office leading… more
    SAIC (12/30/25)
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  • Ground Systems Engineer

    KBR (Chantilly, VA)
    Title: Ground Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology ... protecting our national security. KBR is seeking a Ground Systems Engineer to work on complex projects...Minimal + Working Hours: Standard QUALIFICATIONS Required: + Active TS /SCI clearance with polygraph. + Bachelor's degree in science,… more
    KBR (12/19/25)
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  • Senior SIGINT Systems Engineer

    KBR (Chantilly, VA)
    Title: Senior SIGINT Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... of space defense. KBR is seeking a Senior SIGINT Systems Engineer to be part of our...development of related briefing materials Minimum qualifications: + Active TS /SCI with Polygraph + Bachelor's degree in Engineering or… more
    KBR (12/16/25)
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  • Ground Systems Engineer

    Stratos Solutions (Chantilly, VA)
    Job Title: Ground Systems Engineer Location: Chantilly, VA Minimum Clearance Requirements: TS /SCI with Poly Position Summary: Stratos Solutions is seeking a ... highly skilled Ground Systems Engineer to support the development and management of complex satellite ground software for a government program. The successful… more
    Stratos Solutions (12/04/25)
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  • Model and Simulation Systems

    KBR (Chantilly, VA)
    Title: Model and Simulation Systems Engineer KBR seeks a highly motivated Systems Engineer to support an Intelligence Community Space customer. The ... candidate will possess an understanding of government space architecture and systems , insight into resiliency mission fundamentals, and the ability to perform… more
    KBR (11/06/25)
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  • Senior SIGINT Systems Engineer

    Solvarus (Chantilly, VA)
    …key to successful enterprise mission objectives. We are seeking a senior SIGINT systems engineer to provide Systems Engineering Technical Assistance (SETA) ... support to a government Enterprise Systems Engineer . The program is responsible for...small satellites and experiments. Qualifications: + Current and Active TS /SCI with CI Poly Security Clearance. + Bachelor's degree… more
    Solvarus (11/02/25)
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  • Systems Engineer - TS /SCI…

    General Dynamics Information Technology (Herndon, VA)
    …RQ211158 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... while you advance your career. Join GDIT as a Systems Engineer and build an impactful career...Demonstrated experience with web services + **Security clearance level:** TS /SCI with Polygraph + **Desired Skills and Experience:** +… more
    General Dynamics Information Technology (01/08/26)
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  • Systems Engineer

    Amentum (Fort Belvoir, VA)
    Amentum is seeking a skilled and experienced ** Systems Engineer ** to join our team at **Fort Belvoir** . In this critical role, you'll provide essential ... focusing on the assessments of architectures and interoperable capabilities. Systems Engineer or ORSA functions encompass design...Systems Analyst (ORSA). + Must have an active TS /SCI Clearance. Note: US Citizenship is required to obtain… more
    Amentum (01/14/26)
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