• 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 (08/08/25)
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  • Database Administrator III

    RTX Corporation (Chesapeake, VA)
    …+ To provide backup support to SIPRNet Red Hat Enterprise Linux (RHEL) Systems Administrator for day-to-day Global Command and Control System-Joint (GCCS-J) ... and maintain the operation of complex relational databases across various operating systems + Implement and manage data security protocols, including access controls… more
    RTX Corporation (10/15/25)
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  • Software, CNO, Systems Administration…

    Belay Technologies (Annapolis Junction, MD)
    …database architecture, data security, performance tuning. Experience Level: Senior level Information Systems Security Officer ( ISSO ) Overview: The ISSO will ... software development lifecycle, debugging, testing. Experience Level: Junior to Senior System Administrator (Levels 1 to 3 ) Overview: The System Administrator more
    Belay Technologies (08/14/25)
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  • Insider Threat Program Information System Security…

    Leidos (Washington, DC)
    …For all systems , coordinate with the respective system owner, system administrator or Information System Security Officer ( ISSO ) to notify them that ... Support security assessments by working with the respective system owner, system administrator and/or Information System Security Officer ( ISSO ) to defining the… more
    Leidos (10/24/25)
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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 (10/25/25)
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  • Information System Security Engineer (ISSE) II

    Excentium (Philadelphia, PA)
    …System Security Engineer (ISSE) II will act as the front-line system administrator supporting Naval Surface Warfare Division (NSWD) systems and applications. ... This position will support the CIO, ISSM, ISSO and validator with the maintenance and enhancement of...validator with the maintenance and enhancement of Navy Band systems and architecture to achieve and maintain Certification and… more
    Excentium (10/01/25)
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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 (09/17/25)
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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 (10/07/25)
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