• Systems Administrator - Python,…

    TEKsystems (Centennial, CO)
    …and Data Warehouse/Python development. This position supports core IT infrastructure , including Linux administration, Windows policy/domain management, and ... Proficiency in Microsoft Office applications Job and Industry Experience Preferred: * Operating Systems : Linux (eg Red Hat, Debian, Ubuntu), Windows Server *… more
    TEKsystems (07/11/25)
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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...the implementation, troubleshooting, and maintenance of Information Technology (IT) systems . You'll manage IT system infrastructure and… more
    Leidos (05/30/25)
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  • Senior Systems Administrator…

    GovCIO (Denver, CO)
    **Overview** GovCIO is hiring for a Senior Systems Administrator ( Linux and Windows) to provide on-going support for the administration of the core system ... Submit a referral to this job (https://careers-govcio.icims.com/jobs/6239/senior- systems - administrator --%28linux-windows%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6239_ **Category** _IT … more
    GovCIO (07/09/25)
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  • Systems Administrator (Windows…

    Lockheed Martin (Highlands Ranch, CO)
    …than 570 facilities that span 70 countries\. This position is for a Multi\-Functional Systems Analyst to support both Windows\- and Linux \-based systems for ... networks \(network segmentation basics, DNS, firewall configuration\) * Knowledge with Windows/ Linux Operating Systems and LDAP/AD * Knowledge supporting… more
    Lockheed Martin (07/12/25)
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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 System Administrator - Aurora, CO, must have an active ... Raytheon program in a classified environment as a **Principal Linux System Administrator .** + Responsibilities include building,...GSEC, SSCP, CySA+, CND. + Experience Red Hat Enterprise Linux based systems + Experience with DT… more
    RTX Corporation (07/08/25)
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  • Enterprise Infrastructure & Platforms…

    University Corporation for Atmospheric Research (Boulder, CO)
    Job Description Summary: Are you a highly skilled Systems Administrator ready to lead the charge on critical enterprise infrastructure ? UCAR's Enterprise ... a core team member, you'll be an expert in Linux systems , DNS, DHCP, mail relay, LDAP,...UCAR. + You'll be a key player in our infrastructure environment, providing expert, on-demand support to users and… more
    University Corporation for Atmospheric Research (07/12/25)
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  • Senior Systems Administrator

    Leidos (Aurora, CO)
    …Division (MDS) within the Leidos National Security Sector is seeking a skilled Senior Systems Administrator to join a new cyber security program and play a ... Identify and recommend system functional specifications, configuration of physical and virtual systems , backup and recovery of IT infrastructure . + Support… more
    Leidos (06/30/25)
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  • Systems Administrator II

    DCCA (Aurora, CO)
    Systems Administrator II Location Aurora, CO Job Code 2055 # of Openings 1 Apply Now ... a competitive compensation and benefits package. Visit our website at: www.dcca.com System Administrator II ( Linux ) Candidate must have an active TS/SCI w/ Poly… more
    DCCA (05/23/25)
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  • Systems Administrator /Integrator

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …partners and ourselves. Kratos is offering an exciting opportunity for a CCS-C Systems Administrator and Systems Integrator responsible for supporting, ... for new software capabilities. These capabilities will be developed into the infrastructure to advance national defense capabilities and to meet emerging business… more
    Kratos Defense & Security Solutions, Inc. (06/18/25)
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  • Principal Systems Administrator

    Leidos (Aurora, CO)
    …Division (MDS) within the Leidos National Security Sector is seeking a skilled Principal Systems Administrator to join a new cyber security program and play a ... key role in supporting government-critical systems . You will be part of a program that...Design, deploy, and maintain enterprise server environments, including Windows, Linux , and hybrid cloud infrastructures. + Manage and optimize… more
    Leidos (06/28/25)
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