• Mid-Level Linux Systems…

    The Boeing Company (Berkeley, MO)
    …(US) Infrastructure Operations (SUSIO) Organization is currently seeking a **Mid-Level Linux Systems Administrator ** to join the team in **Berkeley, MO** . ... years of experience in performing system administration tasks on Windows and Linux hosts including installing security patches and making configuration changes… more
    The Boeing Company (01/09/26)
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  • Senior Linux System Administrator

    ManTech (Laurel, MD)
    MANTECH seeks a motivated, career and customer-oriented ** Linux ** **System Administrator ** to join our team in **Laurel, MD.** You will be part of a dedicated ... include but are not limited to:** + Configure and manage Linux (Rocky) operating systems. Installs/loads operating system software, troubleshoots maintains integrity… more
    ManTech (12/25/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. You will be part of a dedicated team ... include but are not limited to:** + Configure and manage Linux operating systems. Installs/loads operating system software, troubleshoots maintains integrity and… more
    ManTech (12/04/25)
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  • Linux Administrator - ACAS

    CACI International (Springfield, VA)
    Linux Administrator - ACAS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... locations worldwide to support the NGA mission. In this role, we're seeking a ** Linux Administrator - ACAS** who could potentially be located in either… more
    CACI International (11/10/25)
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  • Sr. Systems Administrator ( Linux )

    Themis Insight (Fort Meade, MD)
    …Private, Civilian and Military expertise to every case. We are hiring a Sr. Systems Administrator ( Linux ) to work in Fort Meade, MD. Position location is subject ... along with implementing operating systems enhancements and updates to improve reliability, security and performance. The Level 2 System Administrator shall… more
    Themis Insight (12/19/25)
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  • Linux System Administrator

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Linux System Administrator (Senior-Level) to join our team at Aberdeen Proving ... active DoD Top Secret Clearance. + Non-remote (relocation incentive available) Our Linux System Administrator (Senior-Level) will be responsible for the… more
    Link Solutions Inc (01/06/26)
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  • Linux /Unix Systems Administrator

    BAE Systems (Kula, HI)
    …+ Active Top Secret with SCI eligibility + Must have or obtain current LINUX certification + Current Security certification or other current DoD 8570/8140 ... incentives may be available based on position level and/or job specifics. ** Linux /Unix Systems Administrator ** **119388BR** EEO Career Site Equal Opportunity… more
    BAE Systems (12/13/25)
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  • Linux System Administrator -Senior…

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber, data operations , systems integration and intelligence mission support services to meet our customers' ... most demanding challenges. Our capabilities include cyber space operations , cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance,… more
    Nightwing (12/20/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux ... risk management requirements. + Ensure systems meet ARL performance, security , and reliability standards. + Install, configure, and maintain...or CompTIA Server+ CE + Red Hat Certified System Administrator (RHCSA) + MCSA, MAC OS, or MCP +… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Linux Systems Administrator , Sr…

    Lockheed Martin (Sunnyvale, CA)
    …that span more than 70 countries\. We are hiring a Linux System Administrator , Sr to support daily IT operations in our Sunnyvale, CA facility\. This ... Martin Space\. The selected candidate will be responsible for upgrades, operations and maintenance, hardware and software installations, and service requests… more
    Lockheed Martin (11/20/25)
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