• Senior Linux Systems

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **Intelligence Sector,** **Cyber & ... difference in National** **Security!** 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 (01/06/26)
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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 ... be a condition of continued employment + Must have Linux Operating Systems support experience + ...routing, and VLANs + Cisco experience and/or certifications + Windows server management experience + Windows Active… more
    Northrop Grumman (01/07/26)
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  • Principal Linux Systems

    RTX Corporation (Aurora, CO)
    …supporting a Raytheon program in a classified environment as a **Principal Linux System Administrator in Aurora, CO.** Responsibilities include building, ... well as scripting - particularly in Bash and Python. + Experience administering Windows based systems . + Demonstrated ability to work independently and… more
    RTX Corporation (12/29/25)
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  • Systems Administrator / Linux

    Lockheed Martin (Littleton, CO)
    …* Experience with High Performance Compute \(HPC\) Environments * Experience with Windows Server Operating Systems * Experience with Active Directory \(AD\) ... location for this position is Littleton, CO\. The Multi\-Function Information Systems Analyst assists users with resolving technical issues with applications,… more
    Lockheed Martin (12/04/25)
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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 + Install, configure, and ... 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 (11/19/25)
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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...server administration experience with Linux (RedHat Enterprise Linux is preferred) and Windows + Perform… more
    Northrop Grumman (10/22/25)
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  • Systems Administrator

    Infinity Systems Engineering (Colorado Springs, CO)
    …WE ARE MORE - now, come be more with us! Job Summary: The Systems Administrator is responsible for the maintenance, configuration, and reliable operation of ... security, and providing technical support to internal users. The Systems Administrator will work closely with the...setup. + Experience or familiarity with Red Hat Enterprise Linux integration with Windows authentication services (Active… more
    Infinity Systems Engineering (12/05/25)
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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...of application.** + Must have server administration experience with Linux RHEL 7x - 9x and Windows more
    Northrop Grumman (11/06/25)
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  • Systems Administrator - Helpdesk Sys…

    Northrop Grumman (Colorado Springs, CO)
    …by troubleshooting and resolving a wide range of technical issues on both ** Linux ** and ** Windows ** systems . **Essential Functions:** + Configuring and ... -Missile Defense Integration offers an excellent opportunity for a ** Systems Administrator - Helpdesk Systems ...managing ** Linux ** and ** Windows ** Operating systems , including: + Implementing operating… more
    Northrop Grumman (01/10/26)
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  • Systems Administrator - DevSecOps…

    BAE Systems (Westminster, CO)
    …incentives may be available based on position level and/or job specifics. ** Systems Administrator - DevSecOps Integration** **118729BR** EEO Career Site Equal ... Integration (CI), and Continuous Deployment (CD). + Install, maintain, and support multiple Windows and Linux based servers on physical and virtual platforms in… more
    BAE Systems (12/04/25)
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