• Senior Modeling & Simulation

    SAIC (Dahlgren, VA)
    **Description** SAIC is seeking a full-time Modeling & Simulation (M&S) Engineer to support the Program Executive Office Integrated Warfare Systems (PEO ... The role involves the development, implementation, integration, and testing of high-fidelity modeling and simulation systems that support the evaluation of… more
    SAIC (11/05/25)
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  • Mission Modeling and Simulation

    SAIC (Alexandria, VA)
    **Description** SAIC is seeking motivated and detail-oriented ** Senior Modeling and Simulation Analysts - Senior Engineers** to join our dynamic team. ... and engineers to support the development and implementation of modeling and simulation (M&S) solutions for a...and execution of M&S projects under the guidance of senior analysts. This includes creating models, running simulations, and… more
    SAIC (11/20/25)
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  • Mission Modeling and Simulation

    SAIC (Alexandria, VA)
    **Description** SAIC is seeking motivated and detail-oriented **Mission Modeling and Simulation Analysts - Engineers** to join our dynamic team. The successful ... candidates will work closely with senior analysts and engineers to support the development and...and engineers to support the development and implementation of modeling and simulation (M&S) solutions for a… more
    SAIC (11/20/25)
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  • Modeling and Simulation

    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 ... 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. (11/20/25)
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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 ... principles, modeling and simulation methodologies, and relevant industry standards. You will be part of our growing systems, information technology & software… more
    Amentum (11/13/25)
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  • Senior System Engineer (C)

    SimIS Inc. (Dahlgren, VA)
    …and importance of others (work and win as a team). SimIS Inc seeks a System Engineer III to provide combat system simulation support to the Warfare Analysis and ... logistics support in support of an overall effort to provide high fidelity simulation systems and enable engineers to verify Combat Systems' performance in desktop… more
    SimIS Inc. (11/06/25)
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  • Senior Engineer

    Nou Systems, Inc. (Fort Belvoir, VA)
    …defense systems and improve capabilities. We are pleased to announce an opening for a senior engineer who will join our Engineering Services Team in the National ... IDIQ contract. The candidate will serve as a key senior member of the RETS technical team, positioning them...and relevant Task Orders (TOs) + Provide mission engineering, modeling & simulation , developmental test & evaluation,… more
    Nou Systems, Inc. (11/20/25)
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  • Senior Project Development Engineer

    CMTA, Inc (Fairfax, VA)
    …and career opportunities. **Job Summary:** CMTA, a Legence company, is looking for a Senior Project Development Engineer in the federal market to help in our ... can easily make the transition to become an energy engineer within our Energy Solutions group. **Below are some...Systems (UMCS) and their operation + Experience with building simulation and bin spreadsheet modeling of ECMs… more
    CMTA, Inc (11/01/25)
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  • Senior Associate Systems Engineer

    L3Harris (Springfield, VA)
    …land, sea and cyber domains in the interest of national security. Job Title: Senior Associate, Systems Engineer - Watch Officer (Active TS/SCI w/CI Poly ... up to date current operations picture. . Develop and utilize model and simulation tools to analyze satellite operations and predict system behavior under various… more
    L3Harris (10/15/25)
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  • Senior Electrical Engineer (H)

    SimIS Inc. (Dahlgren, VA)
    …physics on terminal parameters. The candidate will also utilize SPICE/PSPICE modeling of circuits, schematic capture, printed circuit board layout, and circuit ... + Demonstrates understanding of power semiconductor physics + Performs SPICE/PSPICE modeling of circuits + Conducts schematic capture and printed circuit board… more
    SimIS Inc. (10/09/25)
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  • Command, Control, Communications, and Battle…

    Chenega Corporation (Fort Belvoir, VA)
    …and initiatives; coordinate IV&V activities for all C2BMC and OPIR. + Offer expertise in Modeling and Simulation + Provide expertise in threat modeling . + ... Command, Control, Communications, and Battle Management (C3BM) Principal Systems Engineer Ft. Belvoir, VA Join our Talent Network Command, Control, Communications,… more
    Chenega Corporation (09/14/25)
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  • Mechanical Engineer

    Leidos (Springfield, VA)
    …**Leidos - Multi-Domain Solutions (MDS) Division** **Position: Junior Level Mechanical Engineer ** Leidos and its Multi-Domain Solutions (MDS) division are seeking a ... highly motivated **Junior Mechanical Engineer ** to support the planning, design, and analysis of...offers the opportunity to work under the mentorship of senior engineers and contribute to system layout, equipment selection,… more
    Leidos (10/23/25)
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  • Lead/ Principal Nuclear Engineer

    MPR Associates (Alexandria, VA)
    …at MPR engage in diverse and challenging projects involving neutronics modeling and simulation , thermal-hydraulics, material irradiation, radiation shielding, ... and other research and test facilities. We are currently seeking an experienced nuclear engineer to guide, challenge, and mentor our growing team in a variety of… more
    MPR Associates (09/26/25)
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  • Junior Mechanical Engineer

    Huntington Ingalls Industries (Alexandria, VA)
    …Job Description HII is seeking an imaginative and adaptable Junior Mechanical Engineer that is on schedule to graduate in May 2026 to join ... additive manufacturing methods. + Cross-Functional Collaboration: Working directly with senior engineers, technicians, managers, and end-user clients in small,… more
    Huntington Ingalls Industries (10/28/25)
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  • Senior Radar SME (Hybrid)

    Parsons Corporation (Centreville, VA)
    …systems + Advisement and engineering technical support + Trade studies + A senior engineer with highly relevant experience in radar systems and technologies, ... control and design process) and interface control documents + Experience as a Senior Engineer providing technical oversight to radar development programs +… more
    Parsons Corporation (11/15/25)
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