• Senior OPIR Systems Engineer

    KBR (Chantilly, VA)
    Title: Senior OPIR Systems Engineer KBR...Review (OAR) + Function as the interface between the system users, the program office, and the systems ... Advisor (SETA) support for a USG Agency. As a Senior OPIR Systems Engineer , you...+ Active Top Secret/SCI security clearance with a current Polygraph Belong, Connect and Grow at KBRAt KBR, we… more
    KBR (09/12/25)
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  • Senior Systems Engineer

    Leidos (Alexandria, VA)
    …Advantage Solutions Business Area, is currently seeking a highly motivated and experienced Senior Systems Engineer for the Chinook Program. The selected ... candidate will lead systems engineering activities across the enterprise to help the...Secret with SCI eligibility and able to obtain a Polygraph . **Primary Responsibilities:** + Serve as a senior… more
    Leidos (10/11/25)
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  • Senior Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is looking for a Senior Systems Engineer with experience supporting system and satellite verification and validation efforts to ... apply today. This position requires an active Top Secret/SCI clearance with Polygraph . Responsible for supporting mission systems engineering and enterprise… more
    SAIC (11/06/25)
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  • Information Systems Security…

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Information Systems Security Engineer (ISSE) - Senior ** **Category:** Cyber Security **Main location:** United States, Virginia, Arlington **Position ID:** ... a highly collaborative team to deliver state-of-the-art capabilities. The Information System Security Engineer (ISSE) designs, implements, and manages security… more
    CGI Technologies and Solutions, Inc. (09/26/25)
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  • Senior Systems Engineer

    SAIC (Chantilly, VA)
    …to expand their knowledge while increasing their responsibilities. SAIC has an opening for a Senior Systems Engineer to provide Systems Engineering and ... is responsible for designing, building, and operating national security-related systems based in space, in the air, and on...future space capability needs + Identifying key architecture and system level trades + Developing strategies in support of… more
    SAIC (08/22/25)
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  • Senior Systems Engineer…

    Noblis (Chantilly, VA)
    Responsibilities Noblis ESI is seeking an experienced Senior Systems Engineer /Integrator to support our government client on-site in Chantilly, VA. The ... System Integration Management: Oversee the integration of technical systems , ensuring alignment with DC3's requirements, including familiarity with unclassified… more
    Noblis (11/04/25)
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  • Senior Information System Security…

    ManTech (Quantico, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Information System Security Engineer (ISSE)** to join our team in **Quantico, VA.** ... network system (s). Ensure that the design of hardware, operating systems , and software applications adequately address cybersecurity requirements for the IS and… more
    ManTech (11/12/25)
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  • Systems Engineer , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    Systems Engineer , Senior The...fusion + Active TS/SCI clearance; willingness to take a polygraph exam + Bachelor's degree in an Engineering, Physics, ... your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world...Experience with 3D modeling + TS/SCI clearance with a polygraph + Master's degree in an Engineering, Physics, Applied… more
    BOOZ, ALLEN & HAMILTON, INC. (11/17/25)
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  • Cyber Systems Engineer Senior

    General Dynamics Information Technology (Springfield, VA)
    …we can't turn into opportunity. And our work depends on TS/SCI level cleared **Cyber Systems Engineer lll - ECDS** joining our team to support our Intelligence ... **Job Family:** Intelligence Operations and Analysis **Skills:** Cross Domain (Inactive),Security System Design, Systems Engineering **Experience:** 5 + years of… more
    General Dynamics Information Technology (09/30/25)
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  • Acquisition Systems Engineer…

    SAIC (Chantilly, VA)
    …efforts as part of an exciting and innovative set of programs. The **Acquisition Systems Engineer ** provides support to the Systems Program Office (SPO) ... in acquisition and execution of mission critical systems . The Acquisition Systems Engineer ...Qualifications:** + Must possess an active TS/SCI clearance with polygraph . + Bachelors and 14 years or more experience;… more
    SAIC (10/23/25)
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