• WTRS - Network Administrator

    General Dynamics Information Technology (Fort Carson, CO)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... of related experience **US Citizenship Required:** Yes **Job Description:** **Network Systems Administrator ** GDIT is seeking qualified candidates for… more
    General Dynamics Information Technology (11/25/25)
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  • 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

    Leidos (Chantilly, VA)
    …that provides attribute data via an LDAP interface to hundreds of various Sponsor systems Required Qualifications + Active TS /SCI with Polygraph + BS degree and ... **Description** Leidos is seeking a System Administrator for a technical development program supporting the...+ Must be an expert in using Linux-based operating systems + Must have strong Bash skills + Must… more
    Leidos (01/09/26)
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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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  • 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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  • NAVAIR Senior Systems Administrator

    JHNA (Patuxent River, MD)
    …which will require in-person support at NAS Pax River. Please note an active Top Secret Clearance is required to be considered for this role. ... Full Time Overview: JHNA is currently seeking a Senior Systems Admin to join our NAVAIR team in Patuxent...fully functioning. + Required Qualifications: + Must have current Top Secret Clearance. US Citizenship required. -… more
    JHNA (01/06/26)
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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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  • 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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  • 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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