• 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 ... include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively… more
    Northrop Grumman (09/23/25)
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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 & ... 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 (09/18/25)
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  • Principal Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber ... a mission-critical program with lasting impactful results. Join our team as a ** Linux Systems Administrator ** , where you'll provide crucial support for the… more
    Leidos (08/11/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …will include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate ... certification will be a condition of continued employment + Must have Linux Operating Systems support experience + Linux Workstation and Server management… more
    Northrop Grumman (10/09/25)
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  • Lead Linux Systems

    Insight Global (Aurora, CO)
    Job Description Overview: Insight Global is seeking a Lead Systems Administrator to lead operations at Buckley Space Force Base, CO. This role involves system ... degree) * Linux : Hands-on experience deploying, configuring, and troubleshooting Linux systems , preferably RedHat 6/7/8/9 * Hardware: Experience with NetApp,… more
    Insight Global (10/06/25)
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  • Linux / Systems Administrator

    TEKsystems (Denver, CO)
    …and security of Red Hat Enterprise Linux (RHEL 9) and other Linux systems (Ubuntu, legacy CentOS). + Automate Everything: Drive automation initiatives using ... | Data Center & Infrastructure Expansion Are you a Linux aficionado ready to take ownership of a growing...data parsing and analytics. + Modernize Infrastructure: Upgrade legacy systems and implement best practices for scalability and security.… more
    TEKsystems (10/02/25)
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  • Linux System Administrators Careers

    Northrop Grumman (Aurora, CO)
    …role. It is for you to speak with a Talent Advisor here at Northrop Grumman.** ** Linux Systems Administrator ** : + Manage and maintain secure operation of ... systems , workstations, and applications for several program or project areas. **Principal Linux Systems Administrator ** + Serve as primary Linux more
    Northrop Grumman (09/14/25)
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  • Systems Engineer L3

    NTT America, Inc. (Denver, CO)
    …related experience. **REQUIRED EXPERIENCE** + Minimum 5-7 years of experience as a Linux or Windows Systems Administrator /Engineer in an Enterprise Data ... guide and inspire junior team members. + Advanced knowledge of Windows and/or Linux operating systems , virtualization, and cloud platforms. + Proficiency in… more
    NTT America, Inc. (09/27/25)
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  • Cleared IT Systems Administrator

    BAE Systems (Broomfield, CO)
    Systems Space and Mission Systems is seeking an experienced Linux System Administrator that will support the implementation, troubleshooting and ... maintenance of Red Hat Enterprise Linux IT Systems . You will be responsible...based on position level and/or job specifics. **Cleared IT Systems Administrator Senior** **115020BR** EEO Career Site… more
    BAE Systems (09/09/25)
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  • Linux System Administrator /ONSITE

    TEKsystems (Boulder, CO)
    …clusters. Primary systems administration skills will be supporting and configuring Linux systems , DNS and DHCP. Initiates and assists in planning and ... DHCP, LDAP, Email, Google Workspace, Identity Management, RADIUS) and drive Linux -based environments. Provide systems administration in Enterprise Infrastructure… more
    TEKsystems (10/09/25)
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  • Senior Linux System Administrator

    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 position ... role, you will work with other members to mitigate vulnerabilities on Linux -based systems , implement STIGs, address POAMs, and mitigate Zero-Day vulnerabilities.… more
    GovCIO (08/08/25)
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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 the ELINT ... Tier 1 and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system operations and perform… more
    ManTech (08/08/25)
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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 effort and ... Tier 1 and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system operations and perform… more
    ManTech (08/08/25)
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  • Sr. Principal Linux System…

    RTX Corporation (Aurora, CO)
    …a Raytheon program in a classified environment as a Senior Principal Linux System Administrator . + Responsibilities include building, maintaining, and securing ... SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux (RHEL) based systems + Experience using and developing automation tools/frameworks such as… more
    RTX Corporation (07/19/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …Come be a part of our mission. Northrop Grumman is seeking a **Sr Principal Systems Administrator ** to join our team at our facility in Aurora, Colorado. **Job ... be limited to, the following:** + Perform as a Linux and Windows System Administrator on large...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (09/11/25)
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  • Systems Administrator II

    DCCA (Aurora, CO)
    Systems Administrator II Location Aurora, CO Job Code 2055 # of Openings 1 Apply Now ... and benefits package. Visit our website at: www.dcca.com System Administrator II ( Linux ) Candidate must have an...in the resolution process. Configures and manages UNIX and Linux operating systems and installs/loads operating system… more
    DCCA (08/22/25)
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  • Telecommunications Network System…

    Tri-State Generation and Transmission Association, Inc. (Westminster, CO)
    …protection circuits and utility-grade networking + Advanced studies in IP networking, Linux systems , and database management **SUGGESTED CERTIFICATIONS** + Cisco ... + CompTIA Network+ Nokia NRS I / II + Red Hat Certified System Administrator (RHCSA) + Linux Professional Institute Certification (LPIC-1 or LPIC-2) **Note** :… more
    Tri-State Generation and Transmission Association, Inc. (09/25/25)
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  • Systems Administrator , Mid

    BOOZ, ALLEN & HAMILTON, INC. (Aurora, CO)
    Systems Administrator , Mid The Opportunity : What if you could use your hardware and sof tware skills to improve the technology supporting the intelligence ... IC ) ? With so much relying on complex systems , a skilled systems administrator ...Experience working in a DevSecOps environment + Experience with Linux administration + Experience in or supporting the military… more
    BOOZ, ALLEN & HAMILTON, INC. (10/03/25)
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  • Systems Administrator

    Northrop Grumman (Aurora, CO)
    …implementation experience + Experience with NetApp storage + Perform as consulting Systems Administrator and subject matter expert for classified government ... employees are not only part of history, they're making history. Northrop Grumman Space Systems (NGSP) seeks to fill a **System Administrator ** in the Payload and… more
    Northrop Grumman (09/26/25)
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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 (10/07/25)
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