• Mid Level Simulations Accreditation…

    Amentum (Dahlgren, VA)
    Amentum is seeking Mid Level Simulations Accreditation Systems Engineer to join our team. The role requires a strong understanding of systems engineering ... and relevant industry standards. You will be part of our growing systems , information technology & software engineering team and contribute to our diverse… more
    Amentum (11/13/25)
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  • Modeling and Simulation Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Alexandria, VA)
    Modeling and Simulation Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact ... Modeling and Simulation ( M & S ) Engineer , you will design and implement advanced models to... and quantitative analysis, including discrete event simulation, agent-based modeling , network simulations , physics-based modeling ,… more
    BOOZ, ALLEN & HAMILTON, INC. (10/21/25)
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  • Mechanical Engineer - Modeling

    CACI International (Charlottesville, VA)
    Mechanical Engineer - Modeling Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... * CACI has an exciting opportunity for a Mechanical Engineer - Modeling to support the lethality analysis and...capabilities and battlefield effectiveness, and create high-fidelity models and simulations of systems . Join our Team as… more
    CACI International (08/30/25)
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  • Mission Modeling and Simulation Analyst…

    SAIC (Alexandria, VA)
    **Description** SAIC is seeking motivated and detail-oriented **Mission Modeling and Simulation Analysts - Engineers** to join our dynamic team. The successful ... senior analysts and engineers to support the development and implementation of modeling and simulation (M&S) solutions for a variety of Mission Engineering projects.… more
    SAIC (10/08/25)
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  • Systems Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    …national security environment + Experience with computational analysis, Monte Carlo simulations , multi-physics modeling , model-based systems engineering ... Systems Engineer The Opportunity: Are you... Systems Engineer The Opportunity: Are you looking for an...and mentoring, while broadening your skillset into areas like modeling and simulation and computational analysis. Grow your skills… more
    BOOZ, ALLEN & HAMILTON, INC. (10/19/25)
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  • Sr Systems Engineer / Integration…

    Lockheed Martin (Suffolk, VA)
    …hub where mission\-focused technologies are developed, tested, and integrated\. **The Work** As a Systems Engineer Sr\., you'll play a vital role in enabling the ... development and real\-time mission experimentation\. **Who You Are** You are a skilled systems engineer with a hands\-on approach to solving problems\. You… more
    Lockheed Martin (10/04/25)
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  • Chief Engineer

    Leidos (Reston, VA)
    …DoD counter WMD and Hardened Facility defeat capabilities through enhanced analysis, modeling and simulations of critical processes, system of system ... of engineering solutions, and oversee requirements development. + Ideally, the Chief Engineer will collaborate with the Building Information Modeling (BIM)… more
    Leidos (10/04/25)
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  • Principal Systems Engineer (MBSE)…

    RTX Corporation (Dulles, VA)
    …create a safer, more secure world. Raytheon Technologies is seeking a Principal Systems Engineer (MBSE) to provide enterprise-wide systems engineering and ... role involves developing and maintaining system models using tools such as Cameo Systems Modeler, as well as utilizing computer-based simulations to analyze and… more
    RTX Corporation (10/13/25)
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  • Simulation Engineer - TS/SCI Required

    Leidos (Reston, VA)
    …their interactions and to uncover vulnerabilities. Simulation types include: system of systems simulations , distributed simulations , and object-oriented ... science, operations research or a related field + Experience with system of systems modeling and simulation **Preferred Qualifications:** + Working knowledge of… more
    Leidos (09/26/25)
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  • Senior Associate Systems Engineer

    L3Harris (Springfield, VA)
    …and cyber domains in the interest of national security. Job Title: Senior Associate, Systems Engineer - Watch Officer (Active TS/SCI w/CI Poly Required) Job ... operational and strategic objectives. . Experience with software languages for scripting, modeling , simulations , and data transfers, including Python, PERL, or… more
    L3Harris (10/15/25)
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