• Senior Counterintelligence

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Counterintelligence (CI) Investigator ** to join our team in **Chantilly, VA.** **Responsibilities ... include but are not limited to:** + Conducting comprehensive counterintelligence inquiries according to legal status, IC and DoD policies and procedures. +… more
    ManTech (12/02/25)
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  • Investigator -Security

    BAE Systems (Manchester, NH)
    …Conduct trend analysis of investigations and outcomes + Write detailed reports for senior leaders as well as government partners detailing events and outcomes of ... investigative activities. + Partner with various US Government agencies in counterintelligence investigations + Liaison with Federal and Local Law Enforcement… more
    BAE Systems (12/03/25)
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  • Open Source Intelligence Investigator

    SOS International LLC (Reston, VA)
    …Overview SOS International LLC (SOSi) is seeking an Open-Source Intelligence Investigator who will possess a sophisticated understanding of online social media ... the customer. The analyst must have operational targeting experience, senior to expert-level technical/IT tradecraft; preferred familiarity with force protection,… more
    SOS International LLC (11/21/25)
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  • Personnel Security Specialist - Senior

    Advantage SCI (Huntsville, AL)
    Job Descriptions: Position Title: Personnel Security Specialist - Senior Reports To: Program Manager Clearance Type: Active Top Secret/SCI (willing to take CI Poly) ... + Must have a current TS/SCI and be willing to take a counterintelligence (CI) polygraph examination at the Government's discretion. + Bachelor's degree + 15… more
    Advantage SCI (09/18/25)
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  • Personnel Security Specialist VI - TS

    Xcelerate Solutions (Washington, DC)
    …of a federal investigative analyst consultant. + Must have served as a senior investigator responsible for planning and directing broad investigations of ... prior security management experience preferred. + Technical training / certification as an investigator and / or adjudicator is required + Current Top Secret (TS )… more
    Xcelerate Solutions (11/13/25)
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