• RF Spectrum Engineer

    Huntington Ingalls Industries (Arlington, VA)
    …to align RF engineering with strategic goals. + Spectrum Analysis and Modeling : Conduct spectrum analysis and modeling to assess occupancy, interference, ... 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field. + Deep understanding of RF propagation,… more
    Huntington Ingalls Industries (10/23/25)
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  • Mechanical Engineer 3 (VA Beach)

    Huntington Ingalls Industries (Virginia Beach, VA)
    …underwater applications with structural analysis, electronic packing, and CAD modeling (SolidWorks). * Research, develop, plan designs mechanical and ... Masters in related field; or 0 years experience with PhD or Juris Doctorate in related field. + Must...Knowledge of Enterprise PDM (EPDM) in support of 3D modeling tools (Solidworks) . + Manufacturing experience with marine… more
    Huntington Ingalls Industries (10/21/25)
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  • Senior T&E SETA Engineer

    IronMountain Solutions, Inc. (Falls Church, VA)
    …and experimentations utilizing proven scientific analyticalmethods and high-fidelity modeling to confirm key performance parameters design specifications of ... capability. Education and General Experience: + Advanced Degree (Master's or PhD ) in Physical Sciences (Engineering, Chemistry, Physics, Biology, Computer Science,… more
    IronMountain Solutions, Inc. (10/21/25)
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  • Sr. Applied Scientist, Amazon Advertising

    Amazon (Arlington, VA)
    …within this team and across other teams. - Perform hands-on analysis and modeling of enormous data sets to develop insights that increase traffic monetization and ... - 3+ years of building machine learning models for business application experience - PhD , or Master's degree and 6+ years of applied research experience - Experience… more
    Amazon (10/17/25)
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  • C++ Software Engineer (DC, NoVA)

    Stellar Science (Vienna, VA)
    …solving challenging math and physics problems. BS (or equivalent experience) required, MS/ PhD degree desired. Join our unique, collaborative team to help implement ... 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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  • Transportation Engineer

    Leidos (Mclean, VA)
    …intelligent transportation systems (ITS), CDA, C-V2X, CAV and AI-driven predictive modeling ) to improve the safety and operation of multimodal transportation ... work in the United States without company sponsorship. **Preferred Experience:** * PhD degree in Transportation Engineering, or other related fields. * In-depth… more
    Leidos (10/05/25)
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  • Senior Data Scientist

    Cardinal Health (Richmond, VA)
    …reporting/business intelligence solutions, and the application of advanced quantitative modeling . Data Science applies base, scientific methodologies from various ... business insights + Deep understanding of machine learning, statistical modeling , predictive analytics, and optimization techniques + Experience with cloud… more
    Cardinal Health (10/04/25)
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  • Lead Data Scientist - AI-Human Interaction

    Humana (Richmond, VA)
    …high performance, large-scale ML systems + Experience with language modeling with transformers + Experience designing human-centered evaluation protocols, metrics, ... in supervised learning, reinforcement learning from human feedback (RLHF), or preference modeling + Strong communication skills with ability to bridge data science,… more
    Humana (10/03/25)
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  • Cyber Mechanism Management SME

    Parsons Corporation (Fort Belvoir, VA)
    …+ Bachelors & 14+ years of experience, Masters & 12+ years of experience, or PhD or JD & 9+ years of experience + Ability to analyze actual and predictable ... matter expertise, decision support tools, and basic to extremely complex modeling and measurement techniques, mathematics, statistical methods, and other principles… more
    Parsons Corporation (09/26/25)
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  • Senior Applied Scientist, Agentic AI Professional…

    Amazon (Arlington, VA)
    …about, and execute professional services workflows - Perform hands-on analysis and modeling of enormous data sets to develop insights that increase service ... scalable, efficient, automated processes for large-scale data analysis, agent behavior modeling , model validation, and serving - Research and implement new… more
    Amazon (09/24/25)
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