• Principal Linux Systems

    Northrop Grumman (Aurora, CO)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... be limited to the following: + Perform as primary Linux Systems Administrator for a...verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system more
    Northrop Grumman (11/11/25)
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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 & ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where...Ten or more (10) years of experience as a System Administrator (SA) supporting programs and contracts… more
    Leidos (10/09/25)
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  • Senior Linux System

    GovCIO (Denver, CO)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This ... libraries + Advanced Linux System Administration, Configuration, and System Security + Advanced systems troubleshooting skills + Excellent written and… more
    GovCIO (11/07/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    **MANTECH** is seeking a ** Linux ** ** System Administrator ** to join our team in **Southlands, Colorado** . This position supports the ELINT Modernization ... to:** + Support implementation, troubleshooting, and maintenance of IT systems + Manage IT infrastructure and ensure system...levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system more
    ManTech (10/23/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    **MANTECH** seeks a motivated and customer-focused ** Linux ** ** System Administrator ** to join our team in **Southlands, Colorado** . This position supports ... to:** + Support implementation, troubleshooting, and maintenance of IT systems + Manage IT infrastructure and ensure system...levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system more
    ManTech (10/23/25)
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  • Principal Linux Systems

    RTX Corporation (Aurora, CO)
    …be supporting a Raytheon program in a classified environment as a **Principal** ** Linux System Administrator in Aurora, CO.** Responsibilities include ... We support critical programs with unclassified, classified, and proprietary information system capabilities and create end-to-end solutions to solve complex digital… more
    RTX Corporation (12/09/25)
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  • Linux Unix Systems

    Lumen (Denver, CO)
    …as we digitally connect the world and shape the future. **The Role** As the Linux /Unix Systems Administrator , you will be responsible for managing and ... **Admin Responsibilities:** ** System Management:** Install, configure, and maintain Linux /Unix servers and related hardware. Ensure systems are running… more
    Lumen (12/03/25)
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  • Linux System Administrator

    TEKsystems (Boulder, CO)
    …hours Skills Linux , python, shell script, perl, Red hat, Scripting, System administrator Top Skills Details Linux ,python,shell script,perl Additional ... DNS, DHCP, LDAP, SMTP, Federated identity configurations, and authentication systems * Advanced skill in allocating system ...systems administration skills will be supporting and configuring Linux systems , DNS and DHCP. Initiates and… more
    TEKsystems (12/05/25)
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  • Linux Systems Administrator

    Epsilon, Inc (Lakewood, CO)
    …Status Submit a Referral (https://careers-epsilon.icims.com/jobs/3768/ linux - systems - administrator ... shared during your recruiter conversation. **Responsibilities** **An average day:** AsLinux Systems Administrator II, you will support the reliability, security,… more
    Epsilon, Inc (12/03/25)
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  • Systems Administrator / Linux

    Lockheed Martin (Littleton, CO)
    …Martin Enterprise Operations \(EO\) position will support the Theater Strike Weapons System \(TSWS\) program\. Work location for this position is Littleton, CO\. The ... Multi\-Function Information Systems Analyst assists users with resolving technical issues with applications, connectivity and other IT related issues\. The… more
    Lockheed Martin (12/04/25)
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