• Senior ISSO

    TestPros (Washington, DC)
    …and Authorization (A&A) support to GPO's Information System Security Officer ( ISSO ) + Develop and maintain RMF documentation, including POA&Ms, ATO packages, ... packages + Strong knowledge of NIST SP 800-53, FISMA, and federal cybersecurity compliance + Familiarity with ServiceNow and continuous monitoring best practices +… more
    TestPros (10/29/25)
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  • Senior Cyber Consultant - ISSO /ISSM

    Guidehouse (Washington, DC)
    …Required** **:** Active Secret **What You Will Do** **:** + Apply fundamental cybersecurity principles and concepts to tasks and projects. + Assess and implement ... NIST Cybersecurity Framework (CSF) guidelines, standards, and best practices for...System Security Plan, FedRAMP, and SOC 2 + Perform cybersecurity risk management, research and development, and leading practices.… more
    Guidehouse (10/27/25)
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  • Information System Security Officer ( ISSO

    Tactibit Technologies LLC (Suitland, MD)
    Tactibit Technologies provides innovative information technology, cybersecurity , and cloud support services to the Federal Government. We support some of the ... Security Officer position We are looking for a talented cybersecurity professional to join our team in Suitland, MD....initiatives. We expect you to have a passion for cybersecurity and improving overall security posture. You should have… more
    Tactibit Technologies LLC (12/25/25)
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  • Cleared Senior Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    …system and organizational security posture trends and report findings to the ISSM/ ISSO . + Recommend cybersecurity measures based on significant threats and ... We are building a team of highly qualified professionals specializing in Cybersecurity , Cloud, and Systems Engineering to support the development and sustainment of… more
    Virtual Service Operations (11/09/25)
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  • Cleared Information Systems Security Engineer…

    Virtual Service Operations (Lorton, VA)
    …Analyze system and organizational security posture trends; provide findings to the ISSM/ ISSO . + Recommend cybersecurity measures and mitigations based on ... Security Engineers (ISSEs) to join a high-performing team of experts in Cybersecurity , Cloud, and Systems Engineering. This team will support the development and… more
    Virtual Service Operations (10/04/25)
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  • Information Systems Security Officer

    FGS, LLC (Suitland, MD)
    …) to support the Office of Naval Intelligence (ONI) in Suitland, MD. The ISSO will provide cybersecurity compliance and support for a unique mission software ... and continuous improvements + Work with system owners and stakeholders to manage cybersecurity requirements + Monitor and evaluate HBSS activity and audit logs for… more
    FGS, LLC (11/22/25)
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  • Information Systems Security Manager

    M. C. Dean (Vienna, VA)
    …by the US Federal Government civilian and DOD agencies + 5+ years of cybersecurity management experience in the ISSO / ISSM roles, including developing, ... the next generation of technical leaders in electrical, engineering, and cybersecurity industries. The Information System Security Manager (ISSM) is responsible for… more
    M. C. Dean (12/13/25)
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  • Information Systems Security Manager

    M. C. Dean (Vienna, VA)
    …by the US Federal Government civilian and DOD agencies + 5+ years of cybersecurity management experience in the ISSO / ISSM roles, including developing, ... is responsible for the development, implementation, and continuous improvement of cybersecurity functions for multiple critical systems and for providing strategic… more
    M. C. Dean (12/13/25)
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  • Cybersecurity Information System Security…

    Zantech (Washington, DC)
    Cybersecurity Information System Security Officer to be responsible for technical cybersecurity efforts in coordination with the Lead ISSO , for an upcoming ... but will not be limited to: + Support technical cybersecurity efforts agency-wide + Coordinate with Lead ISSO... cybersecurity efforts agency-wide + Coordinate with Lead ISSO on complex systems + Quantify and communicate technical… more
    Zantech (12/24/25)
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  • Information Systems Security Officers

    SMX (Washington, DC)
    …CIO's organization is looking to provide Information Security as a Service and needs ISSO to support cybersecurity stakeholders This position is on site in ... 5 years serving as an Information Systems Security Officer ( ISSO ) at a cleared facility. + Minimum of 7...years of work experience in a computer science or Cybersecurity related field. + At Hold at least one… more
    SMX (11/04/25)
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