• Systems Administrator - Linux

    GovCIO (Denver, CO)
    …/Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6104/ systems - administrator linux - windows ... our group. Work with other Admins to closely monitor multiple applications and systems to ensure files process completely and correctly. Assist in documentation of… more
    GovCIO (06/03/25)
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  • Lead, Cyber Infrastructure Systems Engineer…

    L3Harris (Colorado Springs, CO)
    …air, land, sea and cyber domains in the interest of national security. Job Title: Systems Administrator ( Linux / Windows ) Job Code: 23571 Job Location: ... and validation, cost and risk and supportability and effectiveness analyses for total systems . Analyses are performed at all levels of total system product to… more
    L3Harris (05/07/25)
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  • Senior Specialist, Cyber Infrastructure…

    L3Harris (Colorado Springs, CO)
    …air, land, sea and cyber domains in the interest of national security. Job Title: Systems Administrator ( Linux / Windows ) Job Code: 23393 Job Location: ... and validation, cost and risk and supportability and effectiveness analyses for total systems . Analyses are performed at all levels of total system product to… more
    L3Harris (05/01/25)
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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 ... with lasting impactful results. Join our team as a ** Linux Systems Administrator ** , where...Your role will involve configuring and managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity,… more
    Leidos (05/30/25)
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  • Hybrid Systems Engineer, Sr…

    Lockheed Martin (Littleton, CO)
    …\. This includes the expert\-level installation, configuration, and maintenance of Windows and Linux environments, database deployments, and application tools\. ... not limited to: * Proficiently administer and proactively maintain complex hybrid Windows and Linux server environments across classified networks for optimal… more
    Lockheed Martin (05/02/25)
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  • Principal Linux System Administrator

    RTX Corporation (Aurora, CO)
    …are eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph **Principal Linux Systems Administrator Aurora, CO, 100% on site. Must ... a Raytheon program in a classified environment as a **Principal** ** Linux System Administrator .** + Responsibilities include building, maintaining, and… more
    RTX Corporation (05/23/25)
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  • Senior / Principal Windows System…

    SciTec (Boulder, CO)
    …+ Provide Windows systems administration in multiple heterogeneous Microsoft Windows and Red Hat Enterprise Linux environments + Windows ... has an immediate opportunity for a talented Senior Principal Windows System Administrator to join our team...Implement and maintain security policies and procedures to protect Windows systems and data + Monitor system… more
    SciTec (04/06/25)
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  • Sr. Windows Administrator /Test Lab…

    Leidos (Aurora, CO)
    …similar enterprise vendors. + Must have experience in or familiarity with the following systems : Windows / Linux operating systems , VMware, VSphere and ... up front. No exceptions.* We are hiring a **Senior Windows Administrator / Test Lab Manager** to...support of a complex network environment with geographically distributed systems . The position entails supporting system engineering requests to… more
    Leidos (03/28/25)
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  • Systems Administrator 3

    Belcan (Colorado Springs, CO)
    Linux (RHEL) Systems Administration and secondarily perform as a Windows Systems Administrator . The team manages the hardware, software, network, ... Systems Administrator 3 Job Number: 357243...planned for future capabilities. Responsibilities: * Perform as a Windows and Linux System Administrator more
    Belcan (05/08/25)
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  • Sr Principal Systems Administrator

    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. + ... our mission. Northrop Grumman is seeking a **Sr Principal Systems Administrator ** to join our team at...server administration experience with Linux (RedHat Enterprise Linux is preferred) and Windows + Perform… more
    Northrop Grumman (05/30/25)
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  • Principal Systems Administrator

    Northrop Grumman (Colorado Springs, CO)
    …manage, and maintain storage systems and devices + Create and maintain Windows / Linux server images + Recommend system enhancements, including but not limited ... has an exciting career opportunity for a Principal Systems Administrator (25-229) to join our team...environment. Responsible for the overall day-to-day operations of the Windows / Linux environment and is responsible for backup… more
    Northrop Grumman (05/17/25)
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  • Systems Administrator 3

    Kelly Services (Colorado Springs, CO)
    Linux (RHEL) Systems Administration and secondarily perform as a Windows Systems Administrator . The team manages the hardware, software, network, ... ** Systems Administrator 3** **Up to $112.69/hour**...planned for future capabilities. **Responsibilities:** + Perform as a Windows and Linux System Administrator more
    Kelly Services (05/08/25)
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  • Sr Principal Cyber Architect/ Systems

    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. + ... mission. Northrop Grumman is seeking a **Sr Principal Cyber Architect/ Systems Administrator ** to join our team at...documentation + DoD 8570 Certification in a primary OS ( Windows , Linux , Cisco) Salary Range: $137,400.00 -… more
    Northrop Grumman (06/04/25)
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  • Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …your future and launch your career today. #definingpossible Northrop Grumman is seeking a Systems Administrator to join our team based in the Aurora, Colorado ... be limited to, the following: * Perform as a Linux System Administrator on large government contracts....products/tools * DoD 8570 Certification in a primary OS ( Windows , Linux , Cisco) * Currently valid Security+… more
    Northrop Grumman (06/05/25)
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  • Associate Systems Administrator

    Northrop Grumman (Aurora, CO)
    …processing stations of satellite data. These systems have a mix of Operating Systems (AIX, LINUX , and Windows ) in both development lab environments and ... looking for you to join our team as a ** Systems Administrator ** based out of **Buckley AFB,...and 4 years of relevant experience. + CompTIA Security+ Linux Administration experience + Willingness to support 24/7 Ops… more
    Northrop Grumman (05/16/25)
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  • Senior Systems Administrator

    Leidos (Aurora, CO)
    …that has significant impact on project results/outputs. + Administer, maintain, and optimize Windows , Linux , and cloud-based systems to ensure high ... Leidos National Security Sector is seeking a skilled Senior Systems Administrator to join a new cyber...protocols and requirements. + Expertise in administering and securing Windows and Linux operating systems .… more
    Leidos (03/31/25)
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  • Senior Systems Administrator

    SAIC (Colorado Springs, CO)
    …in **Colorado Springs, CO** . Your background in configuring, maintaining, and troubleshooting systems in both Windows and Linux environments will be ... degree) with: + Configuring and managing LINUX /UNIX (RHEL, CentOS), and Windows operating systems ; installing/updating operating systems software; and… more
    SAIC (04/10/25)
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  • Systems Administrator Nissc II…

    Amentum (Colorado Springs, CO)
    …Red Hat Enterprise Linux environments * Must have experience with Microsoft Windows operating systems (OS) administration and associated hardware * Must have ... **Position Title: Systems Administrator ** **Location: Cheyenne Mountain Space Force Station** **Relocation Assistance: None available at this time**… more
    Amentum (06/03/25)
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  • GCCS Systems Administrator

    Paragon Cyber Solutions (Colorado Springs, CO)
    …experience. + Three (3) or more years of systems administration experience supporting Windows and Linux . + Strong knowledge of Server Operating Systems . ... ready for an exciting and dynamic career as a Systems Administrator to join other smart, talented,...with Java application servers (Tomcat, JBoss). + Familiarity with Linux /UNIX applications and services (NFS, SSH, NTP, LDAP, HTTP,… more
    Paragon Cyber Solutions (03/11/25)
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  • Systems Administrator

    CACI International (Denver, CO)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... 8/26/2025 **The Opportunity:** Join CACI International Inc as a Systems Administrator and play a crucial role...years of relevant experience. + Must be proficient with Windows desktop operating systems , as well as… more
    CACI International (04/22/25)
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