• Senior Linux System…

    General Dynamics Information Technology (Livermore, CA)
    …experience **US Citizenship Required:** Yes **Job Description:** $10K Sign-on bonus A Senior Linux System Administrator Maintains an organization's computer ... **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Linux ,Microsoft Server Operating Systems,Microsoft Windows Environment **Certifications:**… more
    General Dynamics Information Technology (05/10/25)
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  • Senior Linux System…

    Leidos (Orlando, FL)
    **Description** Are you an experienced ** Senior Linux System Administrator ** looking for your next challenge? Your search ends here! We have an exciting ... multiple systems to achieve optimum performance levels. + Ensures workstation/ server data integrity by evaluating, implementing, and managing appropriate software… more
    Leidos (07/04/25)
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  • Senior Linux System…

    RTX Corporation (Tucson, AZ)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Senior Linux System Administrator Tucson, AZ. Must have an ... our systems and support IT infrastructures around the world. ** Senior System Administrator ** , internally known as...Linux environment. + Understanding and knowledge of Windows Server internals or Linux fundamentals to include… more
    RTX Corporation (07/18/25)
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  • Senior Linux Systems…

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... us and make a difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where you'll provide crucial support for the… more
    Leidos (07/16/25)
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  • Linux System Administrator

    Mission Support and Test Services (North Las Vegas, NV)
    …is looking for a high-performing individual to join our team as a Linux Systems Administrator ( Senior Infrastructure Analyst). **Key Responsibilities** + ... Manage and maintain Red Hat Linux servers in a large-scale enterprise environment. + Implement,...for ways to increase performance and throughput. + Provide server support to include installation, configuration, troubleshooting, repair and… more
    Mission Support and Test Services (07/23/25)
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  • Senior Linux System…

    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 ... * Certifications (Required): + CompTIA Security+ CE or CompTIA Server + CE + Red Hat Certified System Administrator (RHCSA) + MCSA, MAC OS, or MCP + Must… more
    Black Bear Technology Solutions, LLC (05/24/25)
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  • Senior Systems Administrator

    Mount Sinai Health System (New York, NY)
    …data warehouse team and a research data services team. The **_Senior Systems Administrator /Engineer,_** as a member of the Scientific Computing and Data group, is ... a computational and data science ecosystem for researchers at Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems,… more
    Mount Sinai Health System (06/24/25)
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  • Senior Linux System…

    ManTech (Fort Meade, MD)
    Mantech seeks a motivated, career and customer-oriented ** Senior Linux System Administrator ** to join our team in **Ft. Meade, MD** . In this role, you will ... day-to-day operations and monitoring, and resolve issues related to client/ server /storage/network devices and mobile systems. + Escalate and communicate status… more
    ManTech (07/26/25)
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  • Sr. Linux /Unix Administrator

    S4 Inc. (Omaha, NE)
    …experience Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 Inc. has a Sr. Linux /Unix System Administrator ... is preferred: ITIL 4 Foundations; Red Hat Certified Systems Administrator ; or Linux Professional Institute Certification Linux Administrator ; or CompTIA … more
    S4 Inc. (07/09/25)
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  • Senior Systems Administrator

    GovCIO (Bismarck, ND)
    **Overview** GovCIO is hiring for a Senior Systems Administrator ( Linux and Windows) to provide on-going support for the administration of the core system ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6239/ senior -systems- administrator --%28linux-windows%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6239_… more
    GovCIO (07/09/25)
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  • Senior Windows Server Systems…

    Leidos (Bethesda, MD)
    …the kind of environment where you can thrive, keep reading!** Leidos is seeking a Senior Windows Server Systems Administrator to support the National Media ... Windows systems within a physical and virtual environment. + Decommission server (s) upon request through approved engineering change solution. + Install and/or… more
    Leidos (07/24/25)
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  • Senior Linux Systems…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... enclave comprised of various hardware, software and network components to include server architecture, virtual machines, managed switches, NAS, VLANs, and VPNs. +… more
    Leidos (05/14/25)
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  • Systems Administrator ( Linux )

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    Systems Administrator ( Linux ) Location HI - Kaua'i Job Code 13228 # of openings 1 Apply Now ... Foundation Family of Companies (FOCs) is looking for a Linux Systems Administrator Range Network. The position...and core services related to Windows desktop OS, Windows server OS, Linux OS, and various applications.… more
    Alaka'ina Foundation Family of Companies (07/30/25)
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  • Linux System Administrator (IT Sr…

    CUNY (New York, NY)
    Linux System Administrator (IT Sr Associate 3) - Temporary **GENERAL DUTIES** IT Senior Associates perform highly complex professional work in ... IT leadership to all CUNY campuses. Reporting to the Director of DevSecOps, the Linux System Administrator will manage and maintain Linux -based systems… more
    CUNY (06/19/25)
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  • Mid Level Linux Administrator

    Amentum (Hanover, MD)
    …and support network equipment as well as storage solutions. Candidate will work alongside a senior Linux Administrator as a mentor to provide support and ... look no further. Amentum is seeking a **Mid Level Linux Administrator ** to join our team of...operations, monitoring and problem resolution for all of the client/ server /storage/network devices, mobile devices, etc. + Provides support for… more
    Amentum (05/23/25)
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  • Linux /Windows Senior Systems…

    Lockheed Martin (San Diego, CA)
    …\- Experience providing lab support including: Network/System Administration \- Experience with server and desktop management of Linux and Windows environments ... \- Familiar with package deployment, imaging, and patching **Desired Skills:** \- Compliance with DoD Risk Management Framework \(RMF\) Policies \(or NIST 800\-53\) \- Experience providing support in classified environments \-DoD 8570 IAT Level II or higher… more
    Lockheed Martin (07/12/25)
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  • Lead Linux Systems Administrator

    Huntington Ingalls Industries (Nellis AFB, NV)
    …Who We Are Mission Technologies, a Division of HII, is seeking a Linux Systems Administrator Lead to support a Modeling, Simulation, and Training ... $120,000.00 - $150,000.00 Security Clearance: TS/SCI Level of Experience: Senior Meet HII's Mission Technologies Division Our team of...be leading a team of System Administrators that provide Linux System support to a team of engineers, Subject… more
    Huntington Ingalls Industries (07/09/25)
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  • Digital Services Web Server

    General Dynamics Information Technology (Annapolis Junction, MD)
    …today is safe and tomorrow is smarter. Our work depends on Systems Administrator Senior joining our team. HOW A WEB SERVER SYSTEMS ADMINISTRATOR ... **US Citizenship Required:** Yes **Job Description:** \#ITPolyMD Digital Services Web Server Administrator Transform technology into opportunity as a Digital… more
    General Dynamics Information Technology (06/11/25)
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  • Systems Administrator (Trillium, Unix,…

    SAIC (Ashburn, VA)
    …**Position Summary** We are currently seeking a motivated, career and customer-oriented Systems Administrator ( Senior ) to join our team in Ashburn, VA to begin ... server administration for maximum throughput, operations and data flow + Unix/ Linux ; Tomcat system administration + Trillium Application Server experience,… more
    SAIC (07/08/25)
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  • SQL Server Database Administrator

    ManTech (Tampa, FL)
    **ManTech** seeks a motivated, career and customer-oriented **SQL Server Database Administrator ** to join our team in the **Tampa, Florida.** **Responsibilities ... include but are not limited to:** + The SQL Server Database Administrator (DBA) supports the Information Technology (IT) Operations & Maintenance Server team… more
    ManTech (07/11/25)
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