• Software Developer II…

    SimIS Inc. (Suffolk, VA)
    …candidate performs the following specific assignments: + Designs, implements, and maintains simulation software for military training and analysis + Contributes ... upon award. Job Description: The ideal candidate will support US military Modeling & Simulation (M&S) efforts with intermediate-level responsibilities in the… more
    SimIS Inc. (11/01/25)
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  • Program Security Subject Matter Expert…

    KBR (Reston, VA)
    …of Special Access Program (SAP) requirements. + Liaise with government and third-party software developer stakeholders with respect to MLS tool functionality and ... Title: Program Security Subject Matter Expert ( Modeling & Simulation ) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end… more
    KBR (11/26/25)
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  • Senior Software Developer - TS/SCI…

    Leidos (Reston, VA)
    …science, application development, requirements collection, system design, data analysis, test, simulation , and verification of software simulation or ... The Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new ...government environments - COTS integration experience to include 3D modeling tools, simulation applications, and visualization tools.… more
    Leidos (12/21/25)
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  • Scientific Software Developer (DC,…

    Stellar Science (Vienna, VA)
    …source generation and effects modeling , high power microwave systems modeling and simulation , computational electromagnetics (CEM), space systems modeling ... We hire smart Scientists and Software Engineers who love to create and maintain...Aerospace vehicles, orbital mechanics, electromagnetics, space domain awareness + Modeling and simulation , including directed energy +… more
    Stellar Science (10/09/25)
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  • Entry Level Software Developer

    Amentum (Fredericksburg, VA)
    Amentum is seeking a talented Software Engineer/ Software Developer to support DOD Operations. This engineer will be developing and testing software on an ... on a Agile team where the team's voice impacts the decisions? ** Software Engineer/ Software Developer Responsibilities Include:** + Developing and/or… more
    Amentum (11/20/25)
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  • Senior Software Developer

    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 ... VA, USA | Virginia | Full Time Rite-Solutions, Inc. is seeking a Senior Developer to support in a full-time hybrid capacity at the Naval Surface Warfare Center… more
    Rite-Solutions Inc. (12/03/25)
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  • Senior M&S Systems Developer (SME)

    SimIS Inc. (Norfolk, VA)
    …currently recruiting for the listed position. Job Description: SimIS, Inc. is seeking a Senior Software Architect - Modeling & Simulation SME to lead the ... combines advanced software architecture expertise with deep knowledge of military simulation systems to create the future of NATO's warfare simulation more
    SimIS Inc. (12/05/25)
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  • Software Engineer

    Amentum (Dahlgren, VA)
    Amentum is seeking a dedicated results-oriented SW Developer to support NSWC Dahlgren H20. ** Software Engineer Responsibilities include:** + Working with a small ... software in a multi-threaded/multi-process environment. + Experience with Unified Modeling Language (UML) in designing/documenting a software intensive object… more
    Amentum (11/29/25)
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  • Space Communication Senior Systems Engineer

    SAIC (Chantilly, VA)
    …ensure GSIA program office equities are protected. + Assess technical performance and modeling and simulation results. Identify risks to program plans and ... in systems engineering and integration; enterprise IT, including cloud services; cyber; software ; advanced analytics and simulation ; and training. We are a… more
    SAIC (12/23/25)
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  • 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 ... in systems engineering and integration; enterprise IT, including cloud services; cyber; software ; advanced analytics and simulation ; and training. We are a… more
    SAIC (11/06/25)
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