• GEOINT Payload Systems Engineer

    SAIC (Chantilly, VA)
    …GSIA program office equities are protected. + Assess payload technical performance and modeling and simulation results. Identify risks to program plans and ... **Description** SAIC is seeking a Payload Systems Engineer to support the NRO GEOINT System Integration...development of new principles and concepts. + Participates with senior managers to establish strategic plans and objectives. +… more
    SAIC (08/09/25)
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  • Weapons of Mass Destruction (WMD) Engineer

    Dignitas Technologies LLC (Reston, VA)
    …Destruction (WMD) Engineer or Scientist that will support engineering analysis, modeling , testing, and software development as a part of Research and Development ... with commercial software for engineering and materials characterization and analysis + Modeling and simulation expertise with engineering analysis tools or… more
    Dignitas Technologies LLC (09/22/25)
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  • SME SIGINT Engineer

    KBR (Chantilly, VA)
    …national security and shape the future of space defense. KBR is seeking a Senior SME SIGINT Systems Engineer with technical and engineering skills and relevant ... Title: SME SIGINT Engineer Belong. Connect. Grow. with KBR! KBR's National...Government in defining new mission requirements, performing oversight of modeling and simulation , architectural definition clarifying the… more
    KBR (08/08/25)
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  • System Engineer (All levels)

    Noblis (Chantilly, VA)
    …expertise in systems engineering, systems modeling , product lifecycle management, modeling and simulation , and related techniques, tools, and methodologies ... Responsibilities **Noblis-ESI is seeking a System Engineer ** **to provide Systems Engineering and Technical Advisory...space and ground systems + Compensation: $107,100 - $167,325 Senior -Level + Bachelor's degree + 10+ years of experience… more
    Noblis (09/24/25)
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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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  • Senior Software Developer - TS/SCI…

    Leidos (Reston, VA)
    …highly managed government environments - COTS integration experience to include 3D modeling tools, simulation applications, and visualization tools. - Ability to ... **Description** The Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new software capabilities within a matrixed research… more
    Leidos (09/21/25)
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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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  • AI/ML Software 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 ... | Full Time Rite-Solutions is seeking an AI/ML Software Engineer for full-time support in a hybrid capacity at...capabilities to meet current Cyber Defensive needs. As a Senior Developer on this program, you will be tasked… more
    Rite-Solutions Inc. (09/02/25)
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  • Lead Systems Engineer

    CACI International (Arlington, VA)
    …access to government systems and facilities _Desired:_ + Expertise in system modeling , simulation , and analysis tools. + Relevant certifications (eg, Certified ... Lead Systems Engineer Job Category: Engineering Time Type: Full time...10 years technical experience including at least 5 years senior -level experience leading system engineering efforts, ideally for HCM… more
    CACI International (08/23/25)
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  • Cooling Engineer - Mechanical…

    HII (Chesapeake, VA)
    …operational and available to support Aegis Combat System operation and coordinate with the senior cooling engineer for cooling related matters + Work as a team ... Are We are seeking a talented and experienced Cooling Engineer to join our mechanical engineering team. This role...standards (eg, MIL-STD, ABS, etc.). + Experience with system-level modeling and simulation tools. + Active security… more
    HII (09/29/25)
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