• SIPRNet Administrator

    CACI International (Reston, VA)
    SIPRNet Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of ... III findings associated with scans of network devices. + Coordinate with ISSO /ISSM to update POA&M and reflect open vulnerabilities associated with network devices.… more
    CACI International (11/07/25)
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  • Senior Information System Security Officer

    The MITRE Corporation (Mclean, VA)
    …senior ISSO , maintain operational security posture to ensure information systems (IS), security policies, standards, and procedures are established and followed. ... other security documentation. + Serve as the Senior Information Systems Security Officer ( ISSO ), maintaining operational security...policy changes. + Previous experience operating as a SCI/SAP ISSO , ISSE, System Administrator , or ISSM. +… more
    The MITRE Corporation (12/18/25)
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  • Senior Cyber Risk Manager (Splunk Engineer)

    The MITRE Corporation (Mclean, VA)
    …security posture, and policy changes. + Previous experience operating as a SCI/SAP ISSO , ISSE, System Administrator , or ISSM. + Strong analytical and ... Division (R300) is looking to fill a Senior Information Systems Security Engineer position, with a focus on classified...related experience with a BS in Computer Science; or 3 years and a Master's degree; or a PhD;… more
    The MITRE Corporation (11/08/25)
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  • Cybersecurity Engineer

    Steampunk (Mclean, VA)
    …the product being deployed and/or maintained. **Preferred** + Former Developer or Systems Administrator experience + Working knowledge of technologies used for ... enterprise knowledge base + Support Information System Security Officers ( ISSO ) with activities such as security scan analysis and...a US government Security Clearance + Master's Degree and 3 years of relevant experience; OR + Bachelor's Degree… more
    Steampunk (11/11/25)
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  • Tech Ops Officer

    Nightwing (Sterling, VA)
    …Degree in Engineering or Education or equivalent + Security certifications (eg ISSO , System Administrator , etc.) **Travel Qualifications:** + Ability to support ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (12/16/25)
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