• Staff Computational Data Scientist

    Northrop Grumman (Fairfax, VA)
    …and data analysis activities. **Basic Qualifications** + **Ability to obtain and maintain a Top Secret ( TS /SCI) clearance with Polygraph. US Citizenship is a ... Space Systems, located in Fairfax, VA, is seeking an experienced Computational Scientist with expertise in AI/ML modeling. This role involves collaborating with a… more
    Northrop Grumman (12/09/25)
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  • Senior Data Scientist

    SOS International LLC (Chantilly, VA)
    Chantilly, VA, USA Full-time FLSA Status: Exempt Clearance Requirement: Top Secret SCI w/ Poly **Company Description** Founded in 1989, SOSi is among the largest ... security missions worldwide. **Job Description** **Overview** SOSi is seeking a skilled Data Scientist to support a US government customer in Chantilly, VA. In this… more
    SOS International LLC (11/21/25)
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  • Micro-Circuit Engineer/ Scientist

    Amentum (Arlington, VA)
    …areas such as engineering, scientific research, or program management Must have an Active Top Secret US Government Clearance. Note: US Citizenship is required to ... Job Description Amentum is seeking a Micro-Circuit Engineer/ Scientist who has working knowledge and experience with...obtain a Top Secret Clearance. Strong written and verbal… more
    Amentum (12/11/25)
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  • Senior Data Scientist

    Guidehouse (Mclean, VA)
    …**:** Data Science Consulting **Travel Required** **:** None **Clearance Required** **:** Active Top Secret SCI with Polygraph **What You Will Do** **:** Our ... enable client objectives. **What You Will Need** **:** + An ACTIVE and MAINTAINED TS /SCI Federal or DoD security clearance with a FULL SCOPE (FS/FSP) polygraph. +… more
    Guidehouse (01/09/26)
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  • Data Scientist , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Mclean, VA)
    Data Scientist , Senior The Opportunity: As a data ...tools such as Kibana, Tableau, or Power BI + TS /SCI clearance + Bachelor's degree and 5+ years of ... and unstructured data open new opportunities. As a data scientist at Booz Allen, you can help turn these...Knowledge of DevOps, including CI/CD pipelines and Jenkins + TS /SCI clearance with a polygraph Clearance: Applicants selected will… more
    BOOZ, ALLEN & HAMILTON, INC. (01/10/26)
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  • Data Scientist

    SAIC (Chantilly, VA)
    …experience. Relevant experience to be substituted in lieu of degree. + Active Top Secret Clearance with Polygraph. + Strong engineering background with knowledge ... **Description** SAIC is seeking a **Data Scientist ** to provide Systems Engineer Technical Advisor (SETA)...over the complete end-to-end life cycle. As a Data Scientist , you will provide specialized technical and engineering expertise… more
    SAIC (01/08/26)
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  • Senior Experimental Photonics Scientist

    Leidos (Arlington, VA)
    …python scripting (GDS factory) + Strong background in data analysis and visualization + DoD Top Secret Clearance At Leidos, we don't want someone who "fits the ... **Description** We are looking for a Senior Experimental Photonics Scientist to join The Leidos Quantum Incubator. In this...strong experimental skills. We are looking for a senior scientist who wants to help mature new technologies from… more
    Leidos (01/06/26)
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  • Senior Program Analyst/ Scientist

    Applied Research Associates, Inc. (Alexandria, VA)
    …from an accredited institution + 10+ years of relevant experience + Current DoW TOP SECRET clearance with SCI eligibility Experience with one or more of ... 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… more
    Applied Research Associates, Inc. (11/22/25)
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  • Quantum Computer Scientist

    Leidos (Arlington, VA)
    …+ Demonstrated experience in proposing and winning independent research funding + DoD Top Secret Clearance If you're looking for comfort, keep scrolling. At ... The Leidos Quantum Incubator has an opening for a **Quantum Computer Scientist ** with a background in quantum information science. In this position, the… more
    Leidos (11/22/25)
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  • Engineer/ Scientist

    Naval Sea Systems Command (Dahlgren, VA)
    …required capabilities for warfighters; (6) Ability to obtain and maintain a Top Secret security clearance. Additional qualification information can be found ... to this flyer. Responsibilities You will serve as an Engineer or Scientist within the Systems of Systems Engineering Branch, Warfare Architecture and Engineering… more
    Naval Sea Systems Command (11/04/25)
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