• 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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  • 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 Systems Security Officer ( ISSO

    Serco (Socorro, NM)
    …countermeasures; implement and maintain a site mission system and network Cybersecurity program. + Execute cybersecurity responsibilities protecting and ... authentication, and non-repudiation of data through the application of cybersecurity measures. + Protect ISs, their operating system, peripherals (media… more
    Serco (12/19/25)
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  • Classified Cyber Security/ ISSO

    Lockheed Martin (Orlando, FL)
    …and enabling commercial innovation\. This role offers the chance to shape the cybersecurity posture of a global leader while working alongside top experts in a ... with the ability to obtain Top Secret clearance\. ▪ Bachelor's degree in Cybersecurity or related discipline\. ▪ Ability to obtain Sec\+ or equivalent DoD Directive… more
    Lockheed Martin (12/17/25)
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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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  • Senior Specialist, Cyber Intelligence

    L3Harris (Palm Bay, FL)
    …firewall, & IPS logs; experience with SIEM tools + Experience as an ISSO managing cybersecurity on classified systems under multiple agencies' JSIG, NISPOM ... Intelligence Job Code: 32113 Job Location: Palm Bay, FL Job Description: Performs ISSO duties under the guidance of the Information System Security Manager (ISSM) on… more
    L3Harris (12/17/25)
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  • Information System Security Manager (ISSM)

    Linchpin Solutions, Inc. (Quantico, VA)
    …Quantico, VA; routine travel to <20%, CONUS/OCONUS Role Overview: The ISSM/ ISSO provides enterprise-wide cybersecurity oversight, compliance management, and ... the Senior Systems Engineer, Systems Engineers, and Systems Administrators, the ISSM/ ISSO manages RMF lifecycle documentation, risk assessments, cybersecurity more
    Linchpin Solutions, Inc. (11/22/25)
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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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