• 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 support ... working with a great team, apply today. This position requires an active Top Secret /SCI clearance with Polygraph. Responsible for supporting mission systems more
    SAIC (11/06/25)
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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...at least 9 years of relevant experience + Active TS /SCI clearance with polygraph + Strong technical fundamentals in… more
    SAIC (08/22/25)
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  • 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 ... cryptographic-related cyber security solutions into customer-owned or controlled Space systems , through robust cryptographic security engineering and information … more
    KBR (09/06/25)
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  • Senior Level Simulations Accreditation…

    Amentum (Dahlgren, VA)
    Amentum is seeking Senior Simulations Accreditation Systems Engineer to join our team. The role requires a strong understanding of systems engineering ... industry standards. You will be part of our growing systems , information technology & software engineering team and contribute...and define simulation requirements. + Must have an Active Top Secret /SCI US Government Clearance. Note: US… more
    Amentum (11/13/25)
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  • Systems Engineer

    General Atomics (Herndon, VA)
    …for defense, industrial, and commercial customers worldwide. We have an exciting opportunity for a Senior Systems Engineer in our Herndon, VA office which is ... is one of the world's leading resources for high-technology systems development ranging from the nuclear fuel cycle to...is required as is the ability to maintain a Top Secret Security Clearance. **Salary:** $116,480 -… more
    General Atomics (09/06/25)
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  • Systems Engineer Level 4 - TS

    Northrop Grumman (Chantilly, VA)
    …are not only part of history, they're making history. **We have an opening for a Senior Principal Systems Engineer to join our Phoenix program in El Segundo, ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...years of relevant experience with a PhD + Active TS /SCI required at the time of application + Experience… more
    Northrop Grumman (11/11/25)
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  • Systems Engineer , Senior

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

    RTX Corporation (Dulles, VA)
    …meaningful problems that create a safer, more secure world. Raytheon is seeking a Senior Satellite Systems Engineer , providing mission-specific systems ... 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 (11/13/25)
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  • GEOINT Systems Engineer

    Sciolex Corporation (Chantilly, VA)
    …you receive the utmost employee care. Responsibilities As the GEOINT Systems Engineer you will interact daily with senior government and Program staff to ... to strategic priorities and performance standards. Qualifications & Physical Requirements + Active Top Secret /SCI clearance with Poly. + Bachelors and five (5)… more
    Sciolex Corporation (10/09/25)
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  • Systems Engineer (On-site)

    G2 Ops, Inc. (Dahlgren, VA)
    …us to elaborate. For this opportunity, we are seeking a highly motivated, team-oriented Senior Systems Engineer . This exciting position will have the chance ... Must be able to obtain and maintain Active DoD Top Secret Clearance What makes someone choose...annual performance reviews in place, plus excellence awards for recognition , your performance will be rewarded and appreciated, we… more
    G2 Ops, Inc. (09/22/25)
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