• Network Lab Engineer - Active TS/SCI…

    ENS Solutions (Sterling, VA)
    Seeking a Lab Engineer with strong networking expertise to support testing, evaluation, and development of advanced network solutions within a controlled lab ... designed solutions. + Assist in developing and executing test plans, simulations , and performance validations. + Document configurations, troubleshooting steps, and… more
    ENS Solutions (09/27/25)
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  • Nuclear Engineer - Core Design…

    Insight Global (Lynchburg, VA)
    Job Description Insight Global is seeking a nuclear engineer to support the core design and reload licensing for commercial nuclear power plants in the United ... Optimize core configuration for maximum energy efficiency. * Conduct computational simulations and transient analysis using advanced modeling tools. * Exercise core… more
    Insight Global (09/20/25)
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  • Acoustics Engineer

    Kimley-Horn (Richmond, VA)
    **Overview** We are seeking an Acoustics Engineer with 8+ years of demonstrated experience in acoustic consulting to join our dynamic multi-disciplinary team in ... industrial facilities. + Perform acoustic measurements, sophisticated modeling, and simulations using industry-standard software (eg, CadnaA, SoundPLAN, or similar).… more
    Kimley-Horn (09/20/25)
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  • Sr Engineer -Pub SEC

    Lumen (Herndon, VA)
    …as we digitally connect the world and shape the future. **The Role** The Sr Engineer (Capacity Planner) will be required to develop and/or improvise tools as well as ... + Enable planning of future network innovation through modeling and simulations + Incorporate new technologies and product innovation into forecasting and… more
    Lumen (09/18/25)
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  • Systems Test Engineer

    ManTech (King George, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Systems Test Engineer ** to join our team in **King George, VA** . This is an **on-site** position. ... experience + Experience with the Next Generation Simulation (NGS) or other simulations + Experience with Electronic Warfare (EW) Element SLQ-32 (V), Common Data… more
    ManTech (09/16/25)
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  • Satellite Guidance Navigation and Control…

    General Atomics (Herndon, VA)
    …industrial, and commercial customers worldwide. We have an exciting opportunity for a GNC Engineer to join our CSS group located in Herndon, VA. The CSS group ... of guidance and control algorithms using control theory and Monte Carlo simulations . + Undertake requirements capture, performance trades and design activities. +… more
    General Atomics (09/04/25)
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  • Senior Systems Engineer (MBSE) (Onsite)

    RTX Corporation (Sterling, VA)
    …more secure world. Raytheon Technologies is seeking a Principal Systems Engineer (MBSE) to provide enterprise-wide systems engineering and integration support within ... tools such as Cameo Systems Modeler, as well as utilizing computer-based simulations to analyze and optimize the performance of complex systems. **Location:**… more
    RTX Corporation (09/03/25)
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  • Senior System Engineer (C)

    SimIS Inc. (Dahlgren, VA)
    …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 Digital ... Modeling (M) Combat System Simulations Branch (M33), Naval Surface Warfare Center (NSWCDD), at Dahlgren, VA. The candidate will provide system level requirements… more
    SimIS Inc. (08/07/25)
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  • Senior Associate Systems Engineer

    L3Harris (Springfield, VA)
    …domains in the interest of national security. Job Title: Senior Associate, Systems Engineer - Watch Officer (Active TS/SCI w/CI Poly Required) Job Code: 25423 Job ... strategic objectives. . Experience with software languages for scripting, modeling, simulations , and data transfers, including Python, PERL, or similar programming… more
    L3Harris (07/17/25)
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  • Software Engineer

    Leidos (Arlington, VA)
    **Description** We are seeking an experienced Lead Software Engineer to join our team in developing unmanned and autonomous ships for the US Government. The ... autonomous navigation, sensor processing, and communications. The team also develops simulations to be used for verification and software testing. **Primary… more
    Leidos (07/10/25)
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