• Nuclear Engineer - Core Design…

    Insight Global (Lynchburg, VA)
    …and/or PRISM modeling tools. * Strong proficiency in specialized nuclear modeling software and simulation platforms. * Excellent computational and analytical ... Job Description Insight Global is seeking a nuclear engineer to support the core design and reload...core configuration for maximum energy efficiency. * Conduct computational simulations and transient analysis using advanced modeling more
    Insight Global (09/20/25)
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  • Sr Systems Engineer / Integration…

    Lockheed Martin (Suffolk, VA)
    …mission\-focused technologies are developed, tested, and integrated\. **The Work** As a Systems Engineer Sr\., you'll play a vital role in enabling the CFI mission ... integrity, collaboration, and excellence\. Our Suffolk site brings together advanced modeling , simulation, and integration to enable rapid capability development and… more
    Lockheed Martin (07/12/25)
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  • Acoustics Engineer

    Kimley-Horn (Richmond, VA)
    …transit infrastructure, and industrial facilities. + Perform acoustic measurements, sophisticated modeling , and simulations using industry-standard software ... **Overview** We are seeking an Acoustics Engineer with 8+ years of demonstrated experience in...of land development projects. + Proven expertise in acoustic modeling and simulation software such as CadnaA,… more
    Kimley-Horn (09/20/25)
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  • Senior Software Developer - TS/SCI…

    Leidos (Reston, VA)
    **Description** The Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new software capabilities within a matrixed ... for designing and developing browser-based applications, backend data ETL, 3D modeling , and AI integration. This position requires advanced knowledge (at least… more
    Leidos (09/21/25)
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  • Lead/ Principal Nuclear Engineer

    MPR Associates (Alexandria, VA)
    …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 ... MPR engage in diverse and challenging projects involving neutronics modeling and simulation, thermal-hydraulics, material irradiation, radiation shielding, radiological… more
    MPR Associates (09/26/25)
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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 ... power-constrained environments); unique system development; ground control and operational software development; embedded software development; and unique cyber… 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 Associate Systems Engineer

    L3Harris (Springfield, VA)
    …mission planning data to support operational and strategic objectives. . Experience with software languages for scripting, modeling , simulations , and data ... 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… more
    L3Harris (07/17/25)
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  • Lead, Systems Engineering (UAV Propulsion)

    L3Harris (Ashburn, VA)
    Engineer , you will be responsible for hardware and software requirements definition, decomposition, allocation, management, verification, and validation of ... cyber domains in the interest of national security. Job Title: Lead, Systems Engineer (UAV Propulsion) Job Code: 27118 Job Location: Ashburn, VA Job Description: As… more
    L3Harris (08/08/25)
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  • Senior Mission Assessments SME

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a Senior Mission Assessments Engineer to provide mission analysis support to legacy, current, and future satellite programs. This ... directly supporting senior stakeholders. + Support development of models and simulations to predict expected mission performance against requirements. + Support… more
    SAIC (08/13/25)
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