• Modeling & Simulation Engineer

    KBR (Reston, VA)
    Title: Modeling & Simulation Engineer ( Senior I) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future...of space defense. KBR is seeking a Modeling & Simulation Engineer ( Senior I) with… more
    KBR (10/24/25)
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  • a Senior Aerospace Modeling…

    Leidos (Charlottesville, VA)
    …problem-solver to join our modeling and simulation team as a ** Senior ** **Aerospace Modeling and Simulation Engineer ** in Charlottesville, VA. ... valuable part in developing and testing models of aerospace systems , to include air-launched weapons; ballistic missile systems...in ITASE or AFSIM + Experience leading Modeling and Simulation teams At Leidos, we don't want someone who… more
    Leidos (01/10/26)
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  • Senior Mechanical Engineer - Flight…

    RTX Corporation (Sterling, VA)
    …are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Senior Mechanical Engineer ** **- Flight Simulation (Onsite)** ... in complexity from PC based desktop trainers to high fidelity full-flight training systems . **What You Will Do:** + Considered a specialist in a specific mechanical… more
    RTX Corporation (11/06/25)
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  • Mid-Level Modeling and Simulation

    KBR (Chantilly, VA)
    Title: Mid-Level Modeling and Simulation Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future...of space defense. KBR is seeking a Modeling And Simulation Engineer with in-depth knowledge of satellite… more
    KBR (12/16/25)
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  • Modeling and Simulation Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Alexandria, VA)
    Modeling and Simulation Engineer The Opportunity: Are you...gaining hands-on experience in M & S of DoD systems . Join us. The world can't wait. You Have: ... an impact on national security? As a Modeling and Simulation ( M & S ) Engineer ,...to answer strategic questions, developing and briefing materials for senior management, and applying analytical and computational met hods,… more
    BOOZ, ALLEN & HAMILTON, INC. (12/19/25)
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  • Senior Simulations Accreditation…

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** Senior Simulations Accreditation Systems Engineer (ILO-2025-23796): Bowhead is seeking to network with a highly skilled Sr Simulations ... Accreditation Systems Engineer with extensive experience in project...in project management and a deep understanding of complex simulation systems . The ideal candidate will be… more
    UIC Government Services and the Bowhead Family of Companies (11/29/25)
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  • Senior Systems Engineer (S)

    SimIS Inc. (Dahlgren, VA)
    …the listed position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for ... (HLA) compliant systems + Apply knowledge of simulation systems including NGS, OASIS, JSAF, and...Serve as POC with government Contracting Officers, CORs, and senior military leadership + Use experience gained to manage… more
    SimIS Inc. (12/22/25)
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  • Senior Software Systems

    General Motors (Richmond, VA)
    **Job Description** **Hybrid:** This role is categorized as hybrid. **Role:** As a Senior Software Systems Engineer on the Software Validation team within ... innovation in testing, and verifying the safety and performance of autonomous systems . You will be responsible for shaping the future of evaluation methodologies… more
    General Motors (01/14/26)
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  • Hypersonic Senior Systems

    Leidos (Arlington, VA)
    **Description** The Electronic Warfare Division has an opening for an experienced Hypersonic Systems Engineer . Leidos is looking for experienced engineers with a ... Hypersonics Aerospace background to lead Systems development and Modeling and Simulation (M&S)...based in the DC Metro Area. This is a senior engineering position integrating multiple design concepts and defining… more
    Leidos (12/20/25)
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  • Systems Engineer , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    Systems Engineer , Senior The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in ... You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical… more
    BOOZ, ALLEN & HAMILTON, INC. (01/16/26)
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