• Information System Security

    Lockheed Martin (Cape Canaveral, FL)
    …* Knowledge of system hardening via implementation of the Defense Information Systems Agency \(DISA\) Security Technical Implementation Guides ... **Description:** Lockheed Martin Space \(LMS\) is seeking a Classified Cybersecurity Information Systems Security Officer \(ISSO\) supporting the Fleet… more
    Lockheed Martin (09/19/25)
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  • Information System Security

    Leidos (Arlington, VA)
    …adapt quickly to change + Identify key stakeholders in A&A efforts and ensure system documentation reflects current system security configurations to include ... + Assist in preparation and review documentation to include System Security Plans (SSPs), Risk Assessment Reports...(A&A) artifacts + Assist in the research and address information security issues as required, and develop… more
    Leidos (11/06/25)
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  • Senior Information System

    Leidos (Alexandria, VA)
    …Responsibilities** The Digital Modernization Sector at Leidos is seeking a dynamic ** Information Systems Security Engineer (ISSE)** to support cloud ... Science, Information Systems , Business) + 12+ years of experience in information security engineering. + Deep expertise in AWS and Azure security more
    Leidos (10/18/25)
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  • Insider Threat Program Information

    Leidos (Washington, DC)
    …The Digital Modernization Sector at Leidos currently has an opening for an Information System Security Officer (MID) supporting the HEITS Contract ... requirements. For all systems , coordinate with the respective system owner, system administrator or Information System Security Officer (ISSO) to… more
    Leidos (10/24/25)
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  • Senior Information System

    Amentum (Fort Meade, MD)
    … posture for an information system or program to ensure information systems security polices, standards, and procedures are established and followed. ... If so, look no further. We are seeking an Information System Security Officer to...+ Lends assistance for proposing, coordinating, implementing, and enforcing information systems security policies, standards,… more
    Amentum (09/28/25)
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  • System Security Engineer - TS/SCI…

    General Dynamics Information Technology (Elkridge, MD)
    …DATA ANALYST WILL MAKE AN IMPACT: + Design, implement, document, and manage information system security applications. + Review and analyze collected ... performance, health, and security via Splunk + **Required:** Experience configuring information system security applications. + ** Security Clearance… more
    General Dynamics Information Technology (10/08/25)
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  • Information System Security

    CACI International (Chantilly, VA)
    Information System Security Officer (ISSO) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with ... **Exciting Opportunity: Join Our Dynamic Cybersecurity Team as an Information Systems Security Officer (ISSO)!**...security findings and implement effective remediation plans. + ** System Security Plans:** Assist in creating and… more
    CACI International (10/31/25)
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  • Lead, Information Security

    L3Harris (Melbourne, FL)
    cyber domains in the interest of national security . Job Title: Lead, Information Security Systems Engineer Job Code: 30276 Job Location: Melbourne, FL ... system vulnerabilities and implementing countermeasures, policy creation/update and maintaining information system security records. + This is an… more
    L3Harris (10/24/25)
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  • Senior Information Systems

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Information Systems Security Officer (ISSO) in our **National Security ... for a 15k Sign on Bonus** **Position Summary:** The Information System Security Officer (ISSO)/...the confidentiality, integrity, and availability of information systems . This role involves implementing and maintaining security more
    Leidos (10/16/25)
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  • Senior Information Systems

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Information Systems Security Engineer** in our **National Security Sector's ... security efforts with lasting impact. As a **Senior Information Systems Security Engineer** ,...systems and architectures, ensuring consistent application of agency security policies. + Develop and validate system more
    Leidos (11/05/25)
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