• Senior Unix System Administrator

    SMX (Patuxent River, MD)
    …+ Clearance: Secret + Must be able to obtain and maintain a DoD Top Secret clearance; Interim Secret required to start + Experience: Minimum of ... across Department of Defense (DoD) networks. The Senior UNIX Administrator will ensure systems are properly patched...River, MD (PRDC) + Security+ (or equivalent IAT Level II certification) required to start + Proficient with UNIX/Linux… more
    SMX (12/04/25)
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  • Print System Administrator

    SAIC (Quantico, VA)
    …relevant experience may be considered in lieu of a degree. + US Citizen and Active Top Secret clearance with SCI eligibility. + IAT Level II Certification in ... **Description** SAIC is seeking a Printer/System Administrator for a full-time/onsite role in Quantico, VA. **Introduction** Make a difference for national security… more
    SAIC (11/14/25)
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  • System Administrator

    KBR (Colorado Springs, CO)
    …critical role - protecting our national security. KBR, is seeking a highly motivated Systems Administrator to join us in supporting our great nation, supporting ... Title: System Administrator Belong. Connect. Grow. with KBR! KBR's National...+ Security Clearance: Must have an active US government Top Secret /SCI security clearance, which is something… more
    KBR (11/20/25)
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  • Systems Administrator

    CACI International (Fort Meade, MD)
    …**Desired:** IAT Level I and IAT Level II (GSEC, Security+CE) * Prior Systems Administrator experience (5+ years) * Prior Help Desk experience (1-2 years). - ... Systems Administrator Job Category: Engineering Time...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (12/11/25)
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  • Linux Administrator

    SMX (Patuxent River, MD)
    …+ Deploying and managing all assigned lab devices **Required Skills/Experience** + Clearance Required: Top Secret + Secret required to start + 3+ years ... Linux Administrator (4874)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is looking for a highly motivated Intermediate Linux/Unix … more
    SMX (12/07/25)
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  • System Administrator

    Leidos (Beavercreek, OH)
    …along with sustained ability to be cleared to Special Access Programs and ability to obtain Top Secret security clearance. + Must have a **DoD 8570 IAT level ... Office, reporting through our Digital Modernization sector, is seeking a System Administrator to support various classified environments. You will be responsible for… more
    Leidos (12/05/25)
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  • Systems Network Administrator

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Systems Network Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics ... us and make a difference in National Security!** **Job Summary:** The Systems Network Administrator provides support for implementation, troubleshooting and… more
    Leidos (11/18/25)
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  • System Administrator

    ManTech (Bremerton, WA)
    **MANTECH** seeks a motivated, career, and customer-oriented ** Systems Administrator ** to join our team at the Puget Sound Naval Shipyard in **Bremerton, ... Secret security clearance and be willing and able to obtain a Top - Secret security clearance **Physical Requirements:** + Ability to remain stationary for 50%… more
    ManTech (12/06/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    …from an accredited college or university with 12 years of experience as a Systems Administrator supporting programs and contracts of similar scope, type, and ... NetApp + Experience with Splunk **Clearance Requirements:** + Must have a current/active Top Secret /SCI with Polygraph **Physical Requirements:** + The person in… more
    ManTech (12/04/25)
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  • Principal Network Administrator

    Northrop Grumman (Boulder, CO)
    …Demonstrated leadership skills, or previous management of small teams, would be helpful + Active Top Secret or SCI access would be nice to have We offer flexible ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees have… more
    Northrop Grumman (11/21/25)
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