• Senior Computer Scientist

    ANSER (Reston, VA)
    …our success in the impact of our service. Position Summary ANSER is seeking a Senior Computer Scientist to support AI/ML Quality Assurance Framework (QAF) ... analysis, social across the Defense Intelligence Enterprise (DIE). Required Qualifications + TS /SCI with Poly Clearance + Master's degree in Data Science, … more
    ANSER (12/29/25)
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  • Senior Computer Scientist

    Peraton (Herndon, VA)
    …worldwide that enable speedy and precise decision making to warfighters. Responsibilities: The Senior Computer Scientist - Quality Assurance Framework (QAF) ... Oversight & Monitoring. Responsibilities are, but are not limited to: Computer Science specific: + Employ mathematics, statics, information science, artificial… more
    Peraton (01/07/26)
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  • Senior Computer Scientist

    ANSER (Reston, VA)
    …our success in the impact of our service. Position Summary ANSER is seeking a Senior Computer Scientist to support AI/ML Quality Assurance Framework (QAF) ... analysis, social across the Defense Intelligence Enterprise (DIE). Required Qualifications + TS /SCI with Poly Clearance + Master's degree in Data Science, … more
    ANSER (12/29/25)
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  • Senior Cryptologic Computer

    GliaCell Technologies (Annapolis Junction, MD)
    …do not apply if you currently do not possess this level of clearance. Are you a Senior Cryptologic Computer Scientist who is ready for a new challenge that ... An active or rein-statable TS /SCI with Polygraph security clearance is REQUIRED. Please...amazingly talented people Job Description: GliaCell is seeking a Senior Cryptologic Computer Scientist on… more
    GliaCell Technologies (11/19/25)
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  • Data Scientist (Mid/ Senior )…

    Wiser (Springfield, VA)
    Scientist - TS /SCI Cleared Location: Springfield, VA Required Clearance: Top Secret /SCI Security Clearance Wiser offers innovative solutions to clients in ... GEOINT and Geospatial service provider. Minimum Qualifications + US Citizen + Active Top - Secret /SCI security clearance at time of application and willingness to… more
    Wiser (11/07/25)
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  • Data Scientist TS /SCI with Poly…

    Deloitte (Mclean, VA)
    …Required: + Active TS /SCI Clearance w/ Polygraph + Bachelor's degree in Computer Science, Engineering, or a related field. + Must be legally authorized to work ... and fuel growth through innovation. Work You'll Do Deloitte is seeking a Data Scientist to join a high-performing analytics team supporting our client in McLean, VA.… more
    Deloitte (11/04/25)
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  • Senior Cyber Operations Scientist

    The MITRE Corporation (Mclean, VA)
    …science support to) targeting analysis for HUMINT, cyber, and/or kinetic operations. + Active Top Secret or TS /SCI clearance is strongly preferred. This ... program in new ways. MITRE is seeking an experienced Senior Data Scientist who will lead high-visibility/high-impact...citizen with the ability to obtain and maintain a Top Secret clearance within one year of… more
    The MITRE Corporation (12/20/25)
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  • Data Scientist / Senior AI Machine…

    CACI International (Sterling, VA)
    Data Scientist / Senior AI Machine Learning Research...the contract + Must have active Top Secret Clearance. _Desired:_ + Ph.D. in computer science, ... Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of...Opportunity:** CACI has an exciting new opportunity for a Senior AI and Machine Learning Research Engineer. Apply machine… more
    CACI International (11/25/25)
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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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  • Senior Principal Cyber/EW Research…

    RTX Corporation (Arlington, VA)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Top Secret RTX Corporation is an Aerospace and Defense company that ... and prototyping. BBN's Network & Cyber Technologies (NCT) team leverages computer science, computer engineering, electrical engineering, math, and physics… more
    RTX Corporation (01/14/26)
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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. (Alexandria, VA)
    Data Scientist , Senior The Opportunity: In this role, you will apply data science techniques and methods and leverage a suite of data-driven tools to aid the ... tools, understand and anticipate strategic intent, and communicate with senior DoD leaders. As a data scientist ,...and distributed computing frameworks, including Spark or DASK + TS /SCI clearance + Master's degree Nice If You Have:… more
    BOOZ, ALLEN & HAMILTON, INC. (01/05/26)
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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 ... of Applied Research Associates, Inc. (ARA) is seeking to contingently hire a ** Senior Program Analyst/ Scientist ** for ARA's effort supporting the Office of the… more
    Applied Research Associates, Inc. (11/22/25)
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  • Computer Scientist

    Systems Technologies, Inc. (Hanover, MD)
    COMPUTER SCIENTIST The company is seeking junior, mid-level, and senior Computer Scientists to provide SETA support in Hanover, MD. RESPONSIBILITIES + ... Computer Scientist Location Hanover, MD Job...10 years of experience SECURITY CLEARANCE . Active DoD Top Secret /SCI clearance required TRAVEL . Some… more
    Systems Technologies, Inc. (12/02/25)
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  • Senior Data Scientist

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking a ** Senior Data Scientist ** to provide technical leadership and advanced analytics expertise in support of mission-critical ... innovative, operationally relevant data science and AI solutions. The Senior Data Scientist will lead complex analytics...+ Strong written and verbal communication skills, including briefing senior leaders + **Must hold an active TS more
    Leidos (01/15/26)
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  • Senior Quantum Scientist

    Leidos (Arlington, VA)
    …big data applications, data science, or data analytics methods and tools + DoD Top Secret Clearance If you're looking for comfort, keep scrolling. At Leidos, ... R&D projects, benchmarking, and operational prototypes. In this position, the Senior Quantum Scientist will participate in the full life cycle of research &… more
    Leidos (11/22/25)
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  • Research Scientist Senior Staff - RF…

    Lockheed Martin (Severn, MD)
    …team with Lockheed Martin Space in Severn, MD, is looking for a research scientist with a background in RF sensors and algorithm development\. The Rapid Solutions ... An advanced degree in a STEM field \(physics, engineering, mathematics, or computer science\) * Low\-level simulation of scatter and sensor phenomenology to generate… more
    Lockheed Martin (11/01/25)
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  • Data Engineer/ Scientist

    Parsons Corporation (Washington, DC)
    …AI) frameworks to better contextualize products **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for this ... what's possible. **Job Description:** Parsons is looking for an amazingly talented **Data Scientist /Engineer** to join our team! In this role you will get to design… more
    Parsons Corporation (11/19/25)
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  • Senior Data Scientist , Data…

    Amazon (Arlington, VA)
    …requires that the candidate selected must currently possess and maintain an active TS /SCI Security Clearance. The position further requires the candidate to opt into ... for which they perform AWS work. Key job responsibilities As a Data Scientist , you will: - Collaborate with AI/ML scientists and architects to research, design,… more
    Amazon (12/10/25)
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  • Senior Data Scientist , Data…

    Amazon (Arlington, VA)
    …that the candidate selected must currently possess and maintain an active TS /SCI Security Clearance with polygraph. The position further requires the candidate to ... or with customers as needed. 10040 Key job responsibilities As a Data Scientist , you will: - Collaborate with AI/ML Scientists and Architects to research, design,… more
    Amazon (11/08/25)
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