• Experimental Photonics Scientist

    Leidos (Arlington, VA)
    **Description** We are looking for an Experimental Photonics Scientist to join The Leidos Quantum Incubator. In this role, you'll be responsible for testing and ... research and development and has strong experimental skills. We are looking for a scientist who wants to help mature new technologies from the initial concept all… more
    Leidos (11/22/25)
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  • Principal Associate, Data Scientist - NLP

    Capital One (Mclean, VA)
    Principal Associate, Data Scientist - NLP Data is at the center of everything we do. As a startup, we disrupted the credit card industry by individually ... in the world of data-driven decision-making. As a Data Scientist at Capital One, you'll be part of a...from design through training, evaluation, and validation; partnering with engineering teams to operationalize them in scalable and resilient… more
    Capital One (11/04/25)
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  • Principal Associate, Data Scientist…

    Capital One (Mclean, VA)
    Principal Associate, Data Scientist - Specialist Models Data is at the center of everything we do. As a startup, we disrupted the credit card industry by ... in the world of data-driven decision-making. As a Data Scientist at Capital One, you'll be part of a...reduce friction and prevent fraud_ . We build Recommendation systems , AI Search Systems , Summarization tools, RAG… more
    Capital One (01/14/26)
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  • Sediment Remediation Specialist (Engineer,…

    CDM Smith (Chesapeake, VA)
    …Description:** CDM Smith's Environmental Services Group is seeking an Engineer, Scientist or Geologist with a.) experience modeling contaminant transport through ... design (CAD) in remediation projects combined with basic geotechnical engineering experience (significant academic coursework may suffice) related to remediation… more
    CDM Smith (01/06/26)
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  • Principal Associate, Data Scientist - LLM…

    Capital One (Mclean, VA)
    Principal Associate, Data Scientist - LLM Customization Team Data is at the center of everything we do. As a startup, we disrupted the credit card industry by ... in the world of data-driven decision-making. As a Data Scientist at Capital One, you'll be part of a...from design through training, evaluation, and validation; partnering with engineering teams to operationalize them in scalable and resilient… more
    Capital One (12/04/25)
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  • Senior Experimental Photonics Scientist

    Leidos (Arlington, VA)
    **Description** We are looking for a Senior Experimental Photonics Scientist to join The Leidos Quantum Incubator. In this role, you'll be responsible for overseeing ... strong experimental skills. We are looking for a senior scientist who wants to help mature new technologies from...and oversee/maintain current lab hardware. + Use photonic probing systems and free space optics to conduct detailed testing… more
    Leidos (01/06/26)
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  • Manager, Data Scientist - Velocity Black…

    Capital One (Richmond, VA)
    Manager, Data Scientist - Velocity Black (Remote-Eligible) Data is at the center of everything we do. As a startup, we disrupted the credit card industry by ... in the world of data-driven decision-making. As a Data Scientist at Capital One, you'll be part of a...and elevate member experiences + Collaborate with product/business and engineering to integrate models into our platform, including model… more
    Capital One (11/19/25)
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  • Senior AI Evaluation Scientist

    Steampunk (Mclean, VA)
    **Overview** We are seeking an experienced **Senior AI Evaluation Scientist ** to design and lead rigorous evaluation programs for predictive and generative AI ... systems across our enterprise and client engagements. This role...and aligned with mission outcomes. The Senior AI Evaluation Scientist will develop evaluation frameworks, build automated testing pipelines,… more
    Steampunk (11/22/25)
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  • Senior Program Analyst/ Scientist

    Applied Research Associates, Inc. (Alexandria, VA)
    …Associates, Inc. (ARA) is seeking to contingently hire a **Senior Program Analyst/ Scientist ** for ARA's effort supporting the Office of the Assistant Secretary of ... + Provide analysis and project management support to monitor CTAs + Conduct systems trade-off and technical analysis + Coordinate requirements for the application of… more
    Applied Research Associates, Inc. (11/22/25)
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  • Manager, Data Scientist - Alternate Data…

    Capital One (Mclean, VA)
    …features, ensuring data integrity, and enabling impact. The scope includes feature engineering , designing scalable systems for data processing and monitoring, ... Manager, Data Scientist - Alternate Data Strategy Data is at...**Preferred Qualifications:** + PhD in "STEM" field (Science, Technology, Engineering , or Mathematics) plus 3 years of experience in… more
    Capital One (01/09/26)
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