• C++ Software Engineer (DC, NoVA)

    Stellar Science (Vienna, VA)
    …(CAD) + Aerospace vehicles, orbital mechanics, electromagnetics, space situational awareness + Modeling and simulation , including directed energy + Code sample ... including space situational awareness, computer vision, directed energy, metamaterials, and biothermal modeling . Experience in any of the following is a plus: +… more
    Stellar Science (10/09/25)
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  • Electrical Engineer - Multiple Positions - TS/SCI…

    Leidos (Reston, VA)
    …systems * Experience with substation protective systems design * Experience in modeling and simulation of electrical distribution systems and SCADA control ... intelligence estimates. * Brief senior officials regarding capability, trends and analysis . * Excellent written and verbal communication skills with the ability… more
    Leidos (10/04/25)
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  • Senior Mechanical Engineer

    Leidos (Reston, VA)
    …Cybersecurity experience - Monitoring advanced threats and managing security services. + Modeling and Simulation support. Augmented Reality / Virtual Reality ... Electric, Siemens, DeltaV, Wonderware, Emerson, etc. + Experience with one or more modeling programs such as Revit MEP, SketchUP. Solidworks, VentSIM, UTAS, etc +… more
    Leidos (09/26/25)
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  • Mechanical Engineer - Multiple Levels - Top Secret…

    Leidos (Reston, VA)
    …Cybersecurity experience - Monitoring advanced threats and managing security services. + Modeling and Simulation support. Augmented Reality / Virtual Reality ... Electric, Siemens, DeltaV, Wonderware, Emerson, etc. + Experience with one or more modeling programs such as Revit MEP, SketchUP. Solidworks, VentSIM, UTAS, etc +… more
    Leidos (09/20/25)
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  • Enterprise Data Modeler

    SAIC (Chantilly, VA)
    …and align with mission objectives. You will also support both data modeling (creating blueprints for data organization) and data architecture (managing the overall ... data while adhering to applicable compliance requirements. + Apply systems analysis and design methodology assessments to identify technical debt, architectural… more
    SAIC (09/18/25)
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  • OSINT Planner/Analyst (Sr)

    Parsons Corporation (Fort Belvoir, VA)
    …development, testing, verification and validation, documentation, and implementation of modeling and simulation based decision support system applications. ... exploitation, and dissemination of OSINT. + Conduct data assembly and analysis ; participate in focus groups; prepare draft documents and presentations; and… more
    Parsons Corporation (09/08/25)
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  • Mechanical Engineer

    Leidos (Chantilly, VA)
    …Junior level Mechanical Engineer to support the planning, design, and analysis of mechanical systems-primarily Heating, Ventilation, and Air Conditioning (HVAC)-for ... or similar tools. + Support system load calculations, energy modeling , and equipment sizing using tools like Trace 700,...a Master's + Working knowledge of static and dynamic analysis techniques + Proficiency in CAD software (eg, SolidWorks,… more
    Leidos (11/05/25)
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  • Ocean Engineer Intern

    Applied Physical Sciences and General Dynamics (Arlington, VA)
    …ship * Knowledge of underwater acoustics - propagation physics, noise sources, modeling and simulation , SONAR equation, underwater transducers, and acoustic ... to all parts of the R&D process, from first-principle analysis through to prototyping and testing of integrated systems....of fundamental engineering tools (mechanical and electrical CAD software, analysis tools such as MATLAB) is required as well… more
    Applied Physical Sciences and General Dynamics (11/02/25)
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  • Senior Research Engineer, Advanced Technology…

    Lockheed Martin (Arlington, VA)
    …research to lead future technology advances in applied formal methods, simulation , test, verification, validation, and certification of autonomous and AI\-enabled ... DO\-178, MIL\-STDs, etc\.\), knowledge of assurance cases, risk assessment, safety analysis , failure mode analysis , system/software dependability\. * Application… more
    Lockheed Martin (10/31/25)
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  • Automation Software Test Engineer

    Rite-Solutions Inc. (Dahlgren, VA)
    …operational requirements, conducting cyber analyses and assessments, and developing and performing modeling and simulation in support of different cyber threat ... of a team of experts charged with providing support in the areas of cyber analysis and cyber development capabilities in response to Navy's and DoD's needs for Cyber… more
    Rite-Solutions Inc. (10/29/25)
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