• System Administrator

    CACI International (Chantilly, VA)
    …diagrams, standard operating procedures, and system documentation. + Coordination with customer ISSE to ensure security accreditation of all project IT systems. This ... includes writing documentation and plans to successfully navigate ICD 503 and customer's unique security requirements. + Troubleshoots and resolves hardware, software, and communications problems. Required qualifications: + **TS/SCI with Polygraph** +… more
    CACI International (12/29/25)
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  • ISSO

    SAIC (Chantilly, VA)
    …+ **7+ years of Information Security experience. Preferrable as an ISSO, ISSE , or DAOR.** + **Demonstrated experience implementing the RMF process, applying NIST ... 800‑53 controls, and developing/maintaining certification and accreditation documentation.** + **Experience with ICD‑503 RMF implementation within the Intelligence Community.** + **Prior experience supporting cybersecurity operations or compliance within the… more
    SAIC (12/20/25)
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  • Information Systems Security Engineer

    TekSynap (Chantilly, VA)
    …and risk acceptance documents for information system vulnerabilities. + Coordinates with engineering ISSE and system SMEs to obtain approval via SDA's RMF process. + ... Conduct reviews of the network, system, application and/or service in accordance with the periodicities set within the Monitoring Strategy of the Security Authorization Package Review and update approved ATO as required or requested in conjunction of auditors,… more
    TekSynap (12/06/25)
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  • Cyber Security Architect

    DCCA (Chantilly, VA)
    …in cyber security and systems architecture. Requesting split support as ISSE /A&A, Strategic, DevSecOps, management and new product evaluation. Required Skills: * ... The Contractor team shall assist the Sponsor shepherd multiple IT systems through the Assessment and Accreditation (A&A) processes. * Demonstrated experience leading security accreditation efforts for enterprise systems. * Demonstrated experience with security… more
    DCCA (11/21/25)
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  • Information Systems Security Officer TS/SCI…

    CGI Technologies and Solutions, Inc. (Columbia, MD)
    …. Experience with TASKORDS, OPORDS, etc. . Experience leading Cybersecurity (ISSO & ISSE ) teams. CGI is required by law in some jurisdictions to include a ... reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for… more
    CGI Technologies and Solutions, Inc. (12/17/25)
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  • Information System Security Officer (ISSO)

    Lockheed Martin (Hanover, MD)
    …ATO packages and to sustain system authorizations\. **Desired Skills:** Relevant ISSO/ ISSE experience within the Intelligence Community\. Knowledge of the Defense ... Information System Agency \(DISA\) Security Technical Implementation Guides \(STIGs\) and configuration standards\. Experience working with and interpreting Security Directives, Policies, Publications and Regulations \(e\.g\. ICD 503, JSIG, and/or DCSA… more
    Lockheed Martin (10/18/25)
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