• Mid - Level Modeling

    KBR (Chantilly, VA)
    Title: Mid - Level Modeling and Simulation Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering ... and shape the future of space defense. KBR is seeking a Modeling And Simulation Engineer with in-depth knowledge of satellite relevancy to Department of Defense… more
    KBR (09/16/25)
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  • Mid - Level Software Developer

    Leidos (Bethesda, MD)
    **Description** **Join Our Innovative Team at Leidos!** **Job Description: Mid Level Software Developer** Ready to break away from the ordinary and dive into an ... a whiz with cluster computing, signal processing, Kubernetes, numerical simulation , multi-threading, GPUs, data visualization, underwater acoustic modeling ,… more
    Leidos (10/01/25)
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  • Mid - Level Image Scientist

    KBR (Chantilly, VA)
    Title: Mid - Level Image Scientist Description: KBR is seeking a mid - level Image Scientist to support government customers in the Washington Metropolitan ... Area. The Image Scientist ( mid ) provides expertise in imagery science, imagery analysis, and...and LIDAR, on both space or airborne platforms. + Simulation and modeling experience and ability to… more
    KBR (10/17/25)
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  • Mid - Level SIGINT System Engineer

    KBR (Chantilly, VA)
    Title: Mid - Level SIGINT System Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... support the Government in defining new mission requirements, performing oversight of modeling and simulation , architectural definition clarifying the types of… more
    KBR (10/10/25)
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  • Senior Software Developer - TS/SCI Clearance…

    Leidos (Reston, VA)
    …and lead teams of other subject matter experts, guiding and teaching junior and mid - level resources in the process of defining new systems to achieve specific ... highly managed government environments - COTS integration experience to include 3D modeling tools, simulation applications, and visualization tools. - Ability to… more
    Leidos (09/21/25)
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  • Subsurface Energy Sr. Scientist

    Pacific Northwest National Laboratory (Washington, DC)
    …system. **Responsibilities** PNNL's Environmental Subsurface Science Group is seeking a mid - level scientist or engineer with broad experience in geophysics, ... reservoir modeling , geologic carbon storage, geothermal energy production, and environmental...the ability to lead and support the development of simulation capabilities and the application of advanced simulation more
    Pacific Northwest National Laboratory (10/23/25)
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  • Radar Cross Section Mitigation Engineer

    Advanced Technology and Research Corporation (Bethesda, MD)
    RCS Mitigation Engineer Location: Bethesda, MD Type: Full Time Min. Experience: Mid Level : Salary Range : $80,000-$120,000 USD per year Advanced Technology & ... engineering, or Physics + Advanced degree is preferred. + Prior Modeling and Simulation (M&S) experience. + 2-3 years of experience with simulations and… more
    Advanced Technology and Research Corporation (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 ... + Background / knowledge in systems engineering + Compensation: $80,500 - $138,300 Mid - Level + Bachelor's degree + 5 - 10 years of experience + Background… more
    Noblis (09/24/25)
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  • Senior Aviation Terminal Planner/PM

    HNTB (Arlington, VA)
    …airports. + Ability to assess analytical demand and spatial requirements leveraging simulation modeling or spreadsheet analysis. + Expertise using Revit to ... airports across the United States. Projects will range from high- level space programming to master planning, to advanced planning...from more experienced staff. + Leading a team on mid -sized and/or moderately complex projects inside and outside of… more
    HNTB (09/17/25)
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  • Statistician

    BAE Systems (Reston, VA)
    …and metrics showing results of analyses. \#EKS01 **Required Education, Experience, & Skills** + Mid - level : Bachelor s degree in a related mathematics area with 8 ... mathematical or statistical models of phenomena for analysis or computational simulation . + Design complex metrics-projects that apply valid scientific techniques… more
    BAE Systems (09/09/25)
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  • Lead Data Scientist and Biostatistician

    ManTech (Silver Spring, MD)
    …to long-term retrospective studies). + Practical use of machine learning or simulation modeling , especially to project policy or population outcomes. **Clearance ... or policy team. A "senior" role must include oversight of junior and mid - level staff, providing quality review, and guiding others in selection of statistical… more
    ManTech (10/21/25)
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