• Scientific Research Corporation (San Diego, CA)
    …POSITION WILL REQUIRE US CITIZENSHIP AS WELL AS, A US GOVERNMENT SECURITY CLEARANCE AT THE TOP SECRET LEVEL WITH TOP SECRET / SCI ELIGIBILITY. Travel ... and the trust relationship between system components and external systems Implementing system security designs using commercial-off-the-shelf (COTS), government-off-the-shelf… more
    job goal (01/13/26)
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  • HBSS Administrator

    Leidos (Fort Belvoir, VA)
    **Description** Leidos is seeking a skilled **Senior HBSS Administrator in Fort Belvoir, VA** to join the I3TS team supporting DTRA. The I3TS program provides ... candidate will be responsible for ensuring the security and integrity of IT systems by running their Endpoint Security with experience in Trellix and Microsoft… more
    Leidos (01/13/26)
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  • System Administrator (Night Shift 10pm-6am)…

    NANA Regional Corporation (Colorado Springs, CO)
    Five Rivers Analytics is looking for a System Administrator to work in Colorado Springs, CO. Administers, develops, runs tests, implements, and maintains operating ... equipment; configure and manage firewalls as required; monitor computer systems to improve network performance for all systems...years of experience + US Citizenship required + Active Secret clearance to start with the ability to achieve… more
    NANA Regional Corporation (01/06/26)
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  • Systems Administrator - Cyber…

    General Dynamics Information Technology (Langley AFB, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... some of the world's most complex technical challenges. GDIT is seeking an enthusiastic Systems Administrator who is seeking to expand his/her experience in the… more
    General Dynamics Information Technology (01/08/26)
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  • Sr Principal Cybersecurity Application…

    Northrop Grumman (Melbourne, FL)
    …continued employment **Preferred Qualifications:** + Bachelor's degree in Cyber Security + Active Top Secret , TS /SCI, SAP/SAR access, or Polygraph is ... Classified Solutions team is seeking experienced **Senior Cybersecurity Application Administrator /Architect** across the country to support information systems more
    Northrop Grumman (01/07/26)
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  • Linux Systems Administrator 3/4…

    Northrop Grumman (Melbourne, FL)
    …The Northrop Grumman Classified Solutions team is seeking an experienced **Linux Systems Administrator ** to join its dynamic team of technical professionals. ... limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract....have the ability to obtain, and maintain, a DOD ** Top Secret ** level security clearance as a… more
    Northrop Grumman (01/13/26)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …your career. Northrop Grumman Classified Solutions is seeking a well-qualified **Linux Systems Administrator ** to join its dynamic team of technical ... limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract....system environments + Candidates must have a current DOD ** Top ** ** Secret ** levelsecurity clearance, to include **SCI… more
    Northrop Grumman (11/19/25)
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  • Linux / AWS Systems Administrator

    Northrop Grumman (Morrisville, NC)
    …The Northrop Grumman Classified Solutions team is seeking an experienced **Linux Systems Administrator ** to join its dynamic team of technical professionals. ... to the following:** + Serve as a senior Linux Systems Administrator within an AWS cloud environment...system environments. + Candidates must have a current DoD ** Top Secret /SCI** level security clearance to include… more
    Northrop Grumman (11/15/25)
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  • System Administrator

    Chenega Corporation (Oakton, VA)
    …IT Operations Support, Software Development, and Program Management. Job Title:System Administrator Location:Oakton, Virginia Clearance Level: Top Secret ... security and economic interests of our nation. SecuriGence is seeking an experienced Systems Administrator to help contribute to our success. If you enjoy… more
    Chenega Corporation (11/12/25)
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  • Systems Administrator Senior Advisor

    PingWind INC (Doral, FL)
    Systems Administrator Senior Advisor Doral, FL (http://maps.google.com/maps?q=Doral+FL+USA) Job Type Full-time Description Location:Doral, Florida Required ... Clearance: TS -SCI - can start with a Secret ...related IT career field Seeking an IT Microsoft Enterprise Systems Administrator to perform Systems more
    PingWind INC (10/22/25)
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