• Principal Cyber Threat Hunter

    Leidos (Adelphi, MD)
    …networks. Leveraging a deep knowledge of the threat landscape, the Principal Cyber Threat Hunter will enhance our cybersecurity posture, implement ... Modernization group has a career opportunity for a **_Principal Cyber Threat Hunter_** . This position will... senior leadership (SES & Flag-officer) leadership on cyber threat activity and cybersecurity trends (as-needed).… more
    Leidos (07/19/25)
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  • Senior Cybersecurity Threat

    ManTech (Herndon, VA)
    ManTech seeks a motivated, career and customer-oriented ** Senior ** **Cybersecurity Threat Hunter ** to join our team in **Herndon, VA** **.** ... identified threats. + Identify and assess the capabilities and activities of cyber criminals or foreign intelligence entities; design and administer procedures in… more
    ManTech (09/01/25)
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  • Senior Web Application Penetration Tester

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Web Application Penetration Tester Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real ... during design, development, and production. The candidate will utilize threat modeling, white box application security analysis, and grey.../ Experienced (OSEP) + Hack the Box Bug Bounty Hunter (CBBH) / Web Exploitation Expert (CWEE) + Hack… more
    CoStar Realty Information, Inc. (07/03/25)
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  • Senior Regional Sales Manager (Mid Atlantic…

    Proficio, Inc. (Washington, DC)
    …response services and are the only company in our space with a patent for cyber risk scoring and security posture gap analysis. Our typical client is a medium to ... the in-house resources to address the challenges of a rapidly changing threat landscape. The difficulty of hiring and retaining cybersecurity professionals are… more
    Proficio, Inc. (09/13/25)
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