• Software Developer II - Modeling…

    SimIS Inc. (Suffolk, VA)
    …candidate performs the following specific assignments: + Designs, implements, and maintains simulation software for military training and analysis + Contributes ... DDS protocols + Translates operational military requirements into scalable and reusable software components + Develops and tests simulation scenarios, models,… more
    SimIS Inc. (11/01/25)
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  • Lead, Systems Engineering - Modeling…

    L3Harris (Herndon, VA)
    …by creating models, simulations, and analysis products. Determine requirements, develop simulation software , troubleshoot existing simulation capabilities, ... interest of national security. Job Title: Lead, Systems Engineering - Modeling & Simulation Job Code: 30436 Job Location: Herndon, VA Job Schedule: 9/80 Job… more
    L3Harris (12/05/25)
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  • Modeling & Simulation Engineer (N)

    SimIS Inc. (Norfolk, VA)
    …and execution of wargames, exercises, experiments, or other similar events. + Simulation software expertise (AnyLogic, Arena, MATLAB/Simulink) is desirable. + ... support our NATO customer, SimIS seeks a Modeling and Simulation Engineer to guide the design and operation of...Engineer to guide the design and operation of complex simulation systems enabling the development and integration of emerging… more
    SimIS Inc. (12/17/25)
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  • Sr Systems Engineer / Integration…

    Lockheed Martin (Suffolk, VA)
    …with Linux/Microsoft operating systems and Microsoft products\. \-3\-5 years simulation system software and hardware installation, configuration, modification ... collaboration, and excellence\. Our Suffolk site brings together advanced modeling, simulation , and integration to enable rapid capability development and real\-time… more
    Lockheed Martin (10/04/25)
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  • Software Engineering Manager - Manager…

    Northrop Grumman (Dulles, VA)
    …controls, or systems engineering leadership experience, preferably with experience in Space Flight Software or Simulation Software . + Ability to form strong ... diverse teams, possibly across multiple locations + Experience with Space Flight Software , Simulation Software As a leader with integrity, you ensure ethical… more
    Northrop Grumman (11/26/25)
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  • Senior Software Engineer (S)

    SimIS Inc. (Dahlgren, VA)
    software development experience with leadership responsibilities + Experience with simulation software development and real-time systems + Proficiency in ... SimIS, Inc. seeks Senior Software Engineers to lead software development for simulation systems, mentor junior developers, and oversee complex software more
    SimIS Inc. (12/22/25)
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  • Python Software Engineer - Level 3

    Northrop Grumman (Fairfax, VA)
    …telecommute work** . The candidate will work on expanding proof of concept network simulation software to a more feature rich software product. The ... with other teams, such as network specialists, to ensure that the simulation software properly models relevant parameters. + Other duties as assigned If this… more
    Northrop Grumman (12/11/25)
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  • Software Engineer (lead) - level 4

    Northrop Grumman (Fairfax, VA)
    …+ Collaborate with other teams, such as network specialists, to ensure that the simulation software properly models relevant parameters. + Lead, mentor, and task ... off. This role will lead a small team of software developers to advance a new tool that simulates...work with large datasets from various sources to develop software that characterizes and predicts the impacts of the… more
    Northrop Grumman (11/19/25)
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  • Transportation Engineer

    Leidos (Mclean, VA)
    …years' experience** . * At least **2 years** of hands-on experience with traffic simulation software such as VISSIM and/or TransModeler. * Experience in signal ... Overview:** We are seeking a motivated **Transportation Engineer** with experience in simulation and traffic operations to join our McLean, Virginia group. The… more
    Leidos (10/05/25)
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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 ...ends in json, sql, or no-sql databases. Experience building simulation "gameboards" and scenario-design tools - 3+ years' experience… more
    Leidos (12/21/25)
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