• Senior Applied Scientist - Agentic AI

    Oracle (Richmond, VA)
    …and innovations in machine learning and optimization.We are seeking a Senior Applied Scientist to perform innovation in learning from human feedback (LFHF) and user ... and human in the loop workflows in collaboration with product/UX and data engineering . * Build preference and reward models: pairwise and listwise modeling, win rate… more
    Oracle (12/20/25)
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  • Data Scientist - Enterprise Digital…

    CACI International (Reston, VA)
    Data Scientist - Enterprise Digital Transformation and Analytics Job Category: Science Time Type: Full time Minimum Clearance Required to Start: None Employee Type: ... innovation and customer centric approach to core AI development, data engineering /cloud operations, and internal consulting. You will work directly with senior… more
    CACI International (12/09/25)
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  • Applied Scientist , Sponsored Products

    Amazon (Arlington, VA)
    …to product, engineering , and science based solutions. **As an Applied Scientist on this team, you will:** - Drive end-to-end Machine Learning projects that ... products. We use industry leading machine learning, high scale low latency systems , and AI technologies to create better sponsored customer experiences off the… more
    Amazon (12/11/25)
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  • Staff Computational Data Scientist

    Northrop Grumman (Fairfax, VA)
    …Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (12/09/25)
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  • Environmental Scientist II

    AECOM (Arlington, VA)
    …a better world. Join us. **Job Description** AECOM is seeking an Environmental Scientist II to provide support for Water and Wastewater Program initiatives and ... on a variety of environmental initiatives and on water and wastewater systems serving facilities; and support in the preparation and presentation of information… more
    AECOM (11/22/25)
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  • Transportation Data Scientist

    Leidos (Mclean, VA)
    …the last five years.** Leidos is seeking a highly skilled **Transportation Data Scientist ** to support FHWA-funded projects at the intersection of AI, data science, ... agencies, and vendors to gather insights on AI applications in WIM systems , permitting integration, and crash prediction. * Identify and pursue new opportunities… more
    Leidos (01/07/26)
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  • Subsurface Energy Sr. Scientist

    Pacific Northwest National Laboratory (Richmond, VA)
    …complex issues in nuclear science, energy, and environmental management. The Earth Systems Science Division, part of the Energy and Environment Directorate, provides ... leadership and solutions that advance Earth system opportunities for energy systems and national security. We are a multidisciplinary division connected by a shared… more
    Pacific Northwest National Laboratory (10/23/25)
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  • Senior Cyber Operations Scientist

    The MITRE Corporation (Mclean, VA)
    …Additional areas of responsibility include cybercrime investigation improvement, cyber-mission systems engineering and guidance, system-of-system engineering ... in new ways. MITRE is seeking an experienced Senior Data Scientist who will lead high-visibility/high-impact efforts that provide significant contributions to… more
    The MITRE Corporation (01/17/26)
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  • Senior Data Scientist , Data and Machine…

    Amazon (Arlington, VA)
    …and build solutions that earn the customer trust needed for deployment to production systems . In this role, you will work closely with customers to deeply understand ... perform AWS work. Key job responsibilities As a Data Scientist , you will: - Collaborate with AI/ML scientists and...- Provide customer and market feedback to Product and Engineering teams to help define product direction - This… more
    Amazon (12/10/25)
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  • Data Scientist

    SAIC (Fort Belvoir, VA)
    …a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, ... **Description** SAIC is looking for a Data Scientist to work with a diverse team of...Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including… more
    SAIC (01/14/26)
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