• Senior / Principal Windows System

    SciTec (Boulder, CO)
    …will not be considered. SciTec has an immediate opportunity for a talented Senior Principal Windows System Administrator to join our team in Boulder, CO. ... maintain security policies and procedures to protect Windows systems and data + Monitor ...+ 10+ years professional experience performing duties of a Windows system administrator + In-depth… more
    SciTec (06/18/25)
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  • Windows System Administrator

    RTX Corporation (Aurora, CO)
    …RTX **Enterprise Services** team: **Role Overview** We are seeking a skilled System Administrator on Windows systems to join our IT team. The successful ... **What You Will Do:** + Install, configure, and maintain Windows 11 operating systems and related hardware/software...+ Oversee system updates, BIOS/driver updates, and security patches using Windows Update for Business… more
    RTX Corporation (07/30/25)
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  • Senior Systems Administrator (Linux/…

    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 ... $105,000.00 /Yr. 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**… more
    GovCIO (07/09/25)
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  • Systems Administrator

    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 ... alongside a plethora of technical employees including but not limited to; Windows /Linux system administrators, storage and network engineers, IT project… more
    Lockheed Martin (07/12/25)
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  • Systems Administrator (TS/SCI…

    Fluor (Aurora, CO)
    …access level, and have favorably completed a government issued polygraph The Systems Administrator is highly knowledgeable within designated Industrial Control ... are met and manage virtual workstations and servers using VMWare. The Systems Administrator analyzes, evaluates, and proposes recommendations on innovative… more
    Fluor (07/30/25)
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  • Sr Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …but not be limited to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts. + Perform administration ... our mission. Northrop Grumman is seeking a **Sr Principal Systems Administrator ** to join our team at...documentation + DoD 8570 Certification in a primary OS ( Windows , Linux, Cisco) + Currently valid Security +… more
    Northrop Grumman (06/12/25)
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  • Senior Linux Systems Administrator

    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 & ... ** Security !** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...configuring and managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity, and enhancing system more
    Leidos (07/16/25)
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  • COSMIC Systems Administrator II

    University Corporation for Atmospheric Research (Boulder, CO)
    …and sponsor computer security standards. The COSMIC Systems Administrator II assists users with networking and system configuration issues-primarily on ... announce the job opening for the role of COSMIC Systems Administrator II. This position will support...you had to configure, secure, and maintain a Linux-based system , ensuring it met stringent security requirements.… more
    University Corporation for Atmospheric Research (07/18/25)
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  • Senior System Administrator

    KIHOMAC (Colorado Springs, CO)
    …workstations and servers + Provide oversight, design, and troubleshooting to all Windows systems + Quickly learn challenging concepts, decompose difficult ... self-starter and identify risks, issues, and opportunities to the System Administrator + Facilitate effective and efficient...Experience: + 5+ years of directly related experience to Windows systems administration and Active Directory +… more
    KIHOMAC (07/30/25)
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  • System Administrator

    Parsons Corporation (Colorado Springs, CO)
    …(LANs), wide area networks (WANs), network segments, intranets, and other data communication systems . The Network / System Administrator will help architect, ... Our team is looking for a **SysOps Engineer (** ** System Administrator ).** In this role you will...+ ( Security +), Certified Network Defender (CND), or Systems Security Certified Practitioner (SSCP) + Must… more
    Parsons Corporation (05/16/25)
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