• 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 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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  • 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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  • 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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  • 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 (11/22/25)
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  • Systems Administrator 2…

    Oracle (Denver, CO)
    …technical teams. **Requirements:** + Seeking over 2+ years of experience working with Unix/ Linux Servers and system administration + Must have background in ... with the focus on excellence. Oracle's Federal Operations Production Service System Administrators provide system implementation, support, monitoring, and… more
    Oracle (11/25/25)
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  • Telecommunications Network System

    Tri-State Generation and Transmission Association, Inc. (Westminster, CO)
    …or CCNP + CompTIA Network+ Nokia NRS I / II + Red Hat Certified System Administrator (RHCSA) + Linux Professional Institute Certification (LPIC-1 or LPIC-2) ... position will be filled at one of four job grade levels: Telecommunications Network System Administrator I, job grade T3; Telecommunications Network System more
    Tri-State Generation and Transmission Association, Inc. (11/24/25)
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  • Systems Administrator Level 2

    Northrop Grumman (Aurora, CO)
    …responsibilities will include, but not be limited to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts. + ... part of our mission. Northrop Grumman is seeking a ** Systems Administrator ** **Level 2** to join our...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (10/22/25)
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  • Systems Administrator (Level 2 or 3)

    Northrop Grumman (Aurora, CO)
    …(BU). This position is located in **Aurora, CO.** **Job Duties:** + Perform as a Linux and Windows System Administrator and able to build these environments ... Space Systems (NGSP) seeks to fill a ** Systems Administrator (Level 2 or 3)** supporting...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (11/06/25)
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  • Systems Administrator II

    DCCA (Aurora, CO)
    …and a competitive compensation and benefits package. Visit our website at: www.dcca.com System Administrator II ( Linux ) Candidate must have an active ... Systems Administrator II Location Aurora, CO...Configures and manages UNIX and Linux operating systems and installs/loads operating system software, troubleshoots,… more
    DCCA (11/21/25)
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  • Consulting Member of Technical Staff

    Oracle (Denver, CO)
    …analyzing system crashes and boot flows to identify problems and including Linux system administrator skills. Career Level - IC5 **Responsibilities** + ... Looking for a candidate with deep knowledge of the Linux Operating systems including device drivers and...5+ years of experience in the Linux operating system , including working knowledge of… more
    Oracle (11/25/25)
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  • Senior System Administrator

    University of Colorado (Aurora, CO)
    …Staff The SOM IS Shared Services team is currently seeking a Senior System Administrator with a primary focus on Windows systems and some experience with ... **Senior System Administrator ** **Description** **University of Colorado...and maintain physical and virtual servers (95% Windows, 5% Linux ). + Monitor performance, troubleshoot issues, and identify root… more
    University of Colorado (11/19/25)
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  • Senior System Administrator

    Oracle (Denver, CO)
    …The Senior System Administrator is the escalation point for System Administrators and Systems Engineers and support teams with the primary objective ... for IES in support of Oracle Health. As a System Administrator , you will be responsible for...understanding of core datacenter technologies including VMware vSphere, Oracle Linux Virtualization Manager (OLVM), HPe Storage and Compute hardware… more
    Oracle (11/25/25)
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  • System Administrator

    DCCA (Denver, CO)
    System Administrator Location Denver, CO Job...System Deployment and configuration for RHEL7/8 and SuSE Linux + System security management using RMF ... compensation and benefits package. Visit our website at: www.dcca.com System Administrator Candidates MUST have an active...(or higher) - baseline (ex. Security+) and CE (ex. Linux +) + Linux Administration (RHEL 7/8) Desired… more
    DCCA (09/22/25)
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  • Systems Administrator

    Northrop Grumman (Aurora, CO)
    …making history. Northrop Grumman Space Systems (NGSP) seeks to fill a ** System Administrator ** in the Payload and Ground Systems Division Engineering ... + Experience with NetApp storage + Perform as consulting Systems Administrator and subject matter expert for...requirements for solutions to problems by means of automated systems . + Recommend and implement system enhancements… more
    Northrop Grumman (09/26/25)
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  • Senior / Principal Windows System

    SciTec (Boulder, CO)
    …SciTec has an immediate opportunity for a talented Senior / Principal Windows System Administrator to join our team in Boulder, CO. Successful applicants ... and maintain security policies and procedures to protect Windows systems and data. + Monitor system performance...5+ years professional experience performing duties of a Windows system administrator + Strong knowledge of Microsoft… more
    SciTec (11/19/25)
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  • Production Service Systems

    Oracle (Denver, CO)
    …of Oracle Health & Analytics solutions within Veterans Affairs healthcare environments. As a System Administrator on our Forward Deploy team, you will take a ... experience * 2 years of System Engineering work experience * 2 years of Linux experience * 2 years of Windows experience * 2 years of server hardware experience… more
    Oracle (11/25/25)
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  • Systems Administrator

    Robert Half Technology (Genesee, CO)
    Description We are looking for a skilled Systems Administrator to join our non-profit organization in Denver, Colorado. This role is integral to maintaining and ... technical challenges. Responsibilities: * Administer and optimize Windows Server and Linux systems , ensuring reliability and performance. * Manage virtual… more
    Robert Half Technology (10/28/25)
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  • TSSCI Systems Administrator (Level…

    Insight Global (Louisville, CO)
    Job Description An aerospace company in Louisville, CO, is looking for a Top Secret Systems Administrator (Level 2) to join their growing classified IT team. In ... responsible for provisioning, installation and configuration, and maintenance of systems hardware and software. Their environment is a mix...software. Their environment is a mix of Windows and Linux , and you will also be supporting Vmware, Horizon… more
    Insight Global (11/22/25)
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