• Weapons of Mass Destruction (WMD) Engineer…

    Dignitas Technologies LLC (Reston, VA)
    …Dignitas is seeking a Weapons of Mass Destruction (WMD) Engineer or Scientist that will support engineering analysis, modeling, testing, and software ... WMD and underground systems and auxiliary support and supply systems. + Develop software tools to more effectively identify, examine, assess, model, defeat WMD and… more
    Dignitas Technologies LLC (06/04/25)
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  • Sr. Applied Scientist , AWS Sustainability…

    Amazon (Arlington, VA)
    …people who want to help. You'll join a diverse team of software , hardware, and network engineers, supply chain specialists, security experts, operations managers, ... Sustainability Science and Innovation team is hiring a Sr. Applied Scientist . AWS Sustainability Science and Innovation (AWS-SSI) develops world-class methodologies… more
    Amazon (05/28/25)
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  • Data Scientist - Continuous Vetting III

    Amentum (Springfield, VA)
    Amentum is seeking a **Data Scientist - Continuous Vetting III** to support the National Geospatial-Intelligence Agency (NGA) and Office of Security (SIS) in ... Branch Chief. + Data Science will use Commercial off the Shelf Software (COTS) in combination with all available CE/CV reportable information (polygraphs, eReport,… more
    Amentum (07/18/25)
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  • Principal AI/ML Scientist

    Leidos (Arlington, VA)
    **Description** Leidos currently has an exciting opportunity for a Principal Scientist to lead the development of Human-Machine Teaming solutions for the Information ... maturing the organization's processes and building/supervising a core group of software engineers. Our projects focus on AI/ML, Resilient Systems, Quantum… more
    Leidos (06/29/25)
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  • Sustainability Scientist , AWS…

    Amazon (Arlington, VA)
    …people who want to help. You'll join a diverse team of software , hardware, and network engineers, supply chain specialists, security experts, operations managers, ... Sustainability Science and Innovation team is hiring a Sustainability Scientist . AWS Sustainability Science and Innovation (AWS-SSI) develops world-class… more
    Amazon (07/19/25)
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  • Data Scientist

    Guidehouse (Springfield, VA)
    …Required** **:** Active Top Secret SCI (TS/SCI) **What You Will Do** **:** This Data Scientist role will work as part of a Data & AI consulting team to support ... visualizations and conducting data analysis + Demonstrated experience utilizing computer programs, software , or some coding language **What Would Be Nice To Have**… more
    Guidehouse (07/19/25)
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  • Applied Scientist , Amazon Advertising

    Amazon (Arlington, VA)
    …break fresh ground in product and technical innovations every day! **As an Applied Scientist on this team, you will:** - Be a strong contributor to Machine Learning; ... experiment, optimize, and deploy your models into production; work closely with software engineers to assist in productionizing your ML models. - Run A/B… more
    Amazon (07/18/25)
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  • Senior Data Scientist

    Intelligent Waves (Reston, VA)
    …Intelligent Waves is seeking a highly skilled and results-driven **Senior Data Scientist ** to support our mission critical work in support of our government ... team. We're looking for a developer with the expertise to take software and systems from concept to production-ready. Intelligent Waves delivers mission-focused… more
    Intelligent Waves (07/02/25)
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  • Data Scientist , Privacy

    Datavant (Richmond, VA)
    …for healthcare. Datavant is looking for an enthusiastic and meticulous Data Scientist (Privacy) to join our growing team, which interrogates and assesses client ... Will:** + Critically analyse large health datasets using standard and bespoke software libraries + Discuss your findings and progress with internal and external… more
    Datavant (06/28/25)
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  • Data Scientist

    SAIC (Chantilly, VA)
    …Group, USG Mission and Information Technology Division, is seeking a **Data Scientist ** to support developing tailored solutions to tackle unique global collection ... more experience. + Demonstrated experience with: + Python. + GitHub. + Geo-spatial software and programming packages and data formats. + Creating and managing AWS… more
    SAIC (06/27/25)
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