• Systems Administrator IV

    General Atomics (Durham, NC)
    …in! General Atomics Integrated Intelligence is looking for an experienced Cleared System Administrator with a Top Secret /SCI clearance to provide on-site ... 0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** North Carolina **Clearance Level:** Top Secret (current SCI access with CI Poly) **Pay Range… more
    General Atomics (12/11/25)
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  • Senior Systems Administrator (Linux)

    Amentum (Waimea, HI)
    …following OS Certifications required + Linux + Linux+ Red Hat Certified System Administrator (RHCSA) **Security Clearance** Top Secret security clearance is ... Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and manage enterprise-level Linux infrastructure in support of US Navy… more
    Amentum (12/24/25)
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  • Systems Administrator

    Guidehouse (Bethesda, MD)
    …**:** Systems Engineering **Travel Required** **:** None **Clearance Required** **:** Active Top Secret SCI ( TS /SCI) **What You Will Do:** + Perform ... + Implement and enforce DISA STIG compliance across all systems and networks + Develop server builds for virtual...**What You Will Need:** + An ACTIVE and MAINTAINED " TOP SECRET /SCI ( TS /SCI)" Federal or… more
    Guidehouse (12/10/25)
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  • Systems Administrator w/Poly

    BigBear.ai (Hanover, MD)
    …a System Administrator to support mission critical application and systems in support of multiple Identity, Credential and Access Management (ICAM) projects. ... The selected candidate will serve in a System Administrator role to keep the system operational, compliant and perform trouble shooting as needed. The position will… more
    BigBear.ai (12/17/25)
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  • LMS Administrator

    State of Colorado (Lakewood, CO)
    …8:00 am - 5:00 pm, with some flexibility available About the Job The Learning Systems Administrator is a member of the Employee Engagement Team under HR. This ... LMS Administrator Print (https://www.governmentjobs.com/careers/colorado/jobs/newprint/5176850) Apply  LMS Administrator Salary $71,544.00 - $114,492.00… more
    State of Colorado (12/23/25)
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  • Linux System Administrator

    CACI International (Sarasota, FL)
    …an immediate opening for a Linux Systems Administrator , with a Top Secret Clearance ( TS /SCI) with polygraph for our corporate development/test ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel...fielded systems . CACI is seeking a development Systems Administrator with Linux experience for our… more
    CACI International (01/02/26)
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  • Windows Server Administrator / Principal…

    Northrop Grumman (Wright Patterson AFB, OH)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... working relationships with internal and external stakeholders This Windows Systems Administrator will be an active part...degree with 3 years of relevant experience. + Active TS /SCI security clearance. + Active IAT Level II certification… more
    Northrop Grumman (12/03/25)
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  • Systems Administrator 3 - 23829 (FS…

    Huntington Ingalls Industries (Fort Meade, MD)
    …Full Time/Salaried/Exempt Anticipated Salary Range: $87,990.00 - $144,500.00 Security Clearance: TS /SCI with Poly Level of Experience: Mid This opportunity resides ... with Warfare Systems (WS), a business group within HII's Mission Technologies...with network administrators. + Duties may include setting up administrator and service accounts, maintaining system documentation, tuning system… more
    Huntington Ingalls Industries (10/07/25)
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  • Windows System Administrator

    General Dynamics Information Technology (San Antonio, TX)
    …RQ212172 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Family:** IT Infrastructure and Operations **Skills:** Microsoft Exchange Server,Microsoft PowerShell, Systems Administrator ,Windows System Administration **Experience:** 5 +… more
    General Dynamics Information Technology (01/02/26)
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  • Network/ Systems Administrator

    Argonne National Laboratory (Lemont, IL)
    …granted by the US Department of Energy (DOE). It's functionally equivalent to a ** Top Secret clearance** , allowing access to information classified up to that ... Argonne has an opportunity to serve as the System Administrator of the classified National Security Systems ...System Administrator of the classified National Security Systems (NSS) for the Security Programs Facility (SPF). Develop,… more
    Argonne National Laboratory (11/22/25)
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