• Senior Linux System Administrator

    GovCIO (Denver, CO)
    administration duties will be included in this role. + Senior-level RedHat Linux server administration experience, experience with other Linux ... Ruby, Python - appropriate use of built-in functions and libraries + Advanced Linux System Administration , Configuration, and System Security + Advanced systems… more
    GovCIO (11/07/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …with adjudicated Full Scope Polygraph at time of application** + Must have server administration experience with Linux ( RedHat Enterprise Linux is ... + 10+ years of experience with Red Hat Enterprise Linux (RHEL) server administration in an SCI...experience + Experience with host-based firewall implementations and configuration ( Redhat "iptables") + Windows 10 administration experience;… more
    Northrop Grumman (11/13/25)
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  • Principal/Sr. Principal Computer Systems Architect

    Northrop Grumman (Colorado Springs, CO)
    …and hardware component level specifications + Experience with configuring and provisioning RedHat Linux + Familiar with HPE High Performance Computing platforms ... the deployment phase of the program **Preferred Qualifications** + RedHat Certified (System Admin or Engineer) + CompTIA Security + Certification + CompTIA… more
    Northrop Grumman (11/19/25)
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  • Staff Systems Engineer

    Lockheed Martin (Littleton, CO)
    …the program help desk * Work in an agile development environment on RedHat Linux \-based OS and support elements of design/sustainment/development efforts\. * ... that has experience with hardware, networking, software deployment, and system administration \. * You will collaborate closely with project management, systems… more
    Lockheed Martin (11/12/25)
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  • Scheduler and Network Engineer

    SAIC (Aurora, CO)
    …Security, CySA+, GICSP, GSEC, Security+, CND, or SSCPy + Working knowledge of Linux Redhat Enterprise, Microsoft Server network protocols, Palo Alto Firewalls ... environment + Troubleshoot network hardware issues + Responsible for network administration , fault detection and fault isolation services, network traffic monitoring… more
    SAIC (12/11/25)
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  • DevOps Engineer

    Cadmus (Denver, CO)
    …Docker, Kubernetes, and CI/CD pipelines using Jenkins, GitHub, and Bitbucket. + Strong Linux / RedHat administration skills with the ability to troubleshoot ... system-level and application-level issues. + Experience with microservices, API gateways and authentication/authorization standards (Okta, OIDC, SAML). + Ability to debug applications built in Java, Node.js, and Python from an infrastructure/DevOps… more
    Cadmus (12/13/25)
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  • Senior Specialist, Cyber Infrastructure Systems…

    L3Harris (Broomfield, CO)
    …infrastructures, along with a solid understanding of basic networking principles and Linux administration . This role requires a hands-on professional with a ... RMF requirements, integrating RMF principles into ground-up builds and ongoing security administration . + Integrate Linux and Windows systems within a unified… more
    L3Harris (12/26/25)
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  • Infrastructure and Cloud Engineer - NBS

    Nelnet (Aurora, CO)
    …in Windows technologies (including latest Windows versions). 2. Demonstrated skills in Linux technologies (Latest RedHat versions, NIS, IP Tables, Bash ... and work. The Engineer maintains on premise deployment, configuration, support, administration and technical solutions for various technology components that make up… more
    Nelnet (12/03/25)
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  • ADC Engineer I, Amazon Dedicated Cloud Engineering…

    Amazon (Denver, CO)
    …Network Defender) or Network+ or Security- 1-3 years of experience with Systems Administration in Linux /Unix (Ubuntu, CentOS, RedHat , Solaris, etc.) - ... excellence and troubleshooting complex system operations, have a good understanding of Linux , networking and general knowledge of cloud services. We need engineers… more
    Amazon (10/16/25)
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  • Systems Administrator (Level 2 or 3)

    Northrop Grumman (Aurora, CO)
    …clearance with CI Poly required at the time of application.** + Must have server administration experience with Linux RHEL 7x - 9x and Windows Server 2022 and ... basic level, rack elevations and planning. + Experience with Red Hat Enterprise Linux (RHEL) server administration in an SCI classified environment + Experience… more
    Northrop Grumman (11/06/25)
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