• DARPA - Biological Technologies Office (BTO)…

    Amentum (Arlington, VA)
    …note US citizenship is required to obtain and maintain a Top Secret security clearance + Experience with designing systems for medical applications; ... **DARPA - Biological Technologies Office (BTO) Robotics Engineer Support** Amentum is a leading provider of...and program management support services to some of the top agencies in the US government, including the Defense… more
    Amentum (11/01/25)
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  • Senior SIGINT Systems Engineer

    Sciolex Corporation (Chantilly, VA)
    …to ensuring you receive the utmost employee care. Responsibilities As the Senior SIGINT Systems Engineer , you will help guide new and existing SIGINT programs as ... well as perform the following functions as a SIGINT Systems Engineer , by using a holistic approach...Develop architecture products. Qualifications & Physical Requirements + Active Top Secret /SCI with Poly. + Bachelors in… more
    Sciolex Corporation (01/07/26)
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  • Program Protection (P2) Systems…

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking an experienced **Program Protection Systems Engineer ** who enjoys thinking outside of a box with technical and practical ... plans, and execute technology projects/programs for successful transition into customer systems . The engineer shall be responsible for the performance… more
    SAIC (12/05/25)
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  • GEOINT Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking **GEOINT Systems Engineer ** to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA ... over the complete end-to-end life cycle. As the GEOINT Systems Engineer you will interact daily with...years of exp in lieu of degree.) + **Active Top Secret /SCI clearance with Poly.** + **Knowledge/… more
    SAIC (11/21/25)
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  • Ground Systems Engineer

    Noblis (Chantilly, VA)
    Responsibilities Noblis ESI is seeking an experienced **Ground Systems Engineer ** to work on complex projects crucial to our national security objectives. The ... selected candidate will provide Systems Engineering and Technical Advisory ( SETA ) services...in software design and architecture. Required Qualifications + Active Top Secret /SCI clearance with Counterintelligence (CI) Polygraph.… more
    Noblis (12/24/25)
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  • AI Cloud Engineer

    SAIC (Chantilly, VA)
    …or more experience. Relevant experience to be substituted in lieu of degree. + Active Top Secret /SCI with Poly. + Experience in AI OR cloud computing; and system ... **Description** SAIC is seeking a **AI Cloud Engineer ** with expertise in Signal Intelligence (SIGINT) processing...AOS in Chantilly, VA. Landmark AOS is a large SETA program, supporting the NRO's Ground Enterprise Directorate (GED),… more
    SAIC (11/06/25)
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  • Mission Engineer

    SAIC (Chantilly, VA)
    …experience. Relevant experience to be substituted in lieu of degree. + Active Top Secret /SCI Clearance with Polygraph. + Strong knowledge of software ... **Description** SAIC is seeking **Mission Engineer ** to support SAIC's Prime Program, Landmark AOS...AOS in Chantilly, VA. Landmark AOS is a large SETA program, supporting the NRO's Ground Enterprise Directorate (GED),… more
    SAIC (01/06/26)
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  • Enterprise Integration Systems…

    SAIC (Chantilly, VA)
    …an opening for a Enterprise Integration Systems Engineer to provide Systems Engineering and Technical Assistance ( SETA ) services to an IC customer. The ... VA. This customer is responsible for designing, building, and operating national security-related systems based in space, in the air, and on the ground. SAIC is… more
    SAIC (11/12/25)
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  • Senior Systems Engineer (Onsite)

    RTX Corporation (Springfield, VA)
    …**Location:** **Near Springfield, Virginia** **What You Will Do** + The Senior Systems Engineer provides systems engineering and integration support ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the...safer, more secure world. Raytheon is seeking a Senior Systems and Integration Engineer (SE&I), providing enterprise-wide… more
    RTX Corporation (01/13/26)
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  • Principal Operations Support Systems…

    RTX Corporation (Dulles, VA)
    …safer, more secure world. Raytheon is seeking a Principal Operations Support Systems Engineer providing mission-specific systems engineering and integration ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the foundation of everything we… more
    RTX Corporation (01/16/26)
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