• Sr . ISSE TS/SCI Poly

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Sr . ISSE** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . ... solid understanding of security practices and policies as well as hands-on vulnerability testing experience. You will have numerous responsibilities from day to day… more
    Leidos (11/15/25)
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  • Sr . Information Systems Security Officer…

    Themis Insight (Laurel, MD)
    …and Private, Civilian and Military expertise to every case. We are hiring a Sr . Information Systems Security Officer (ISSO) to work in Laurel, MD. Position location ... support for a program, organization, system, or enclave's information assurance program. Provides support for proposing, coordinating, implementing, and enforcing… more
    Themis Insight (09/30/25)
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  • ISSE Senior - with TS/SCI Poly

    Amentum (Columbia, MD)
    …security assessments of computing environments to identify points of vulnerability , non-compliance with established Information Assurance (IA) standards ... security assessments of computing environments to identify points of vulnerability , non-compliance with established Information Assurance (IA) standards… more
    Amentum (10/14/25)
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  • Senior Information System Security Officer…

    Leidos (Annapolis Junction, MD)
    …security plans and other IA documentation. + Provide support for Information Assurance Vulnerability Alerts (IAVAs) management (initiating IAVA responses and ... **Description** **Leidos** has a new and exciting opportunity for a Senior Information System Security Officer in our **National Security Sector's (NSS) Cyber &… more
    Leidos (09/06/25)
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  • Senior Information Systems Security Officer…

    Belay Technologies (Annapolis Junction, MD)
    …security plans and other IA documentation. + Provide support for Information Assurance Vulnerability Alerts (IAVAs) management (initiating IAVA responses and ... implement best practice methodologies for incident detection, reporting, and vulnerability remediation. + Maintain records on workstations, servers, routers,… more
    Belay Technologies (11/09/25)
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  • Information Systems Security Engineer - Principal

    Amentum (Fort Meade, MD)
    …and managing IT system Common Vulnerabilities and Exposures (CVEs) and Information Assurance Vulnerability Alerts (IAVAs) * Experience using the MITRE ATT&CK ... and back end of new products and processes. **Responsibilities:** The ** Senior Information Systems Security Engineer (ISSE)** shall deliver and lead threat-informed… more
    Amentum (10/23/25)
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  • Information Systems Security Engineer (ISSE)

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Information Systems Security Engineer (ISSE)** in our **National Security Sector's (NSS) ... security assessments of customer technical environments to identify points of vulnerability , or non-compliance with standards, and create mitigation plans. Design,… more
    Leidos (11/18/25)
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  • Information Security Analyst Advisor

    General Dynamics Information Technology (Annapolis Junction, MD)
    …support for a program, organization, system, or enclave's information assurance program. Provides support for proposing, coordinating, implementing, and enforcing ... they meet security requirements for processing classified information. Performs vulnerability /risk assessment analysis to support certification and accreditation. Provides… more
    General Dynamics Information Technology (10/09/25)
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  • Information Systems Security Officer III…

    COMSO, Inc (Fort Meade, MD)
    …may be substituted for a bachelor's degree. + DoD 8570 compliance with Information Assurance Management (IAM) Level I is required. + If assigned to DES Mobility ... Provide support for a program, organization, system, or enclave's information assurance program. + Provide support for proposing, coordinating, implementing, and… more
    COMSO, Inc (09/02/25)
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  • Information Systems Security Officer 3 - TS/SCI…

    Amentum (Columbia, MD)
    …Provide support for a program, organization, system, or enclave's information assurance program. + Provide support for proposing, coordinating, implementing, and ... meet security requirements for processing classified information. + Perform vulnerability /risk assessment analysis to support security authorization. + Provide… more
    Amentum (11/12/25)
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