• Senior / Principal Windows System…

    SciTec (Boulder, CO)
    …tools + Implement and maintain security policies and procedures to protect Windows systems and data + Monitor system performance and identify areas for ... and a clear focus on supporting customer needs. Responsibilities + Provide Windows systems administration in multiple heterogeneous Microsoft Windows more
    SciTec (06/18/25)
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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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  • Windows System Administrator (Onsite…

    RTX Corporation (Aurora, CO)
    …join our RTX **Enterprise Services** team: **Role Overview** We are seeking a skilled System Administrator on Windows systems to join our IT team. The ... to be considered** **What You Will Do:** + Install, configure, and maintain Windows 11 operating systems and related hardware/software across the organization +… more
    RTX Corporation (07/30/25)
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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 ... 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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  • 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)
    …Come be a part of our mission. Northrop Grumman is seeking a **Sr Principal Systems Administrator ** to join our team at our facility in Aurora, Colorado. **Job ... to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts....products, services, and suggestions. + Adhere to strict Information Systems security guidelines in all cases. +… 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...Your role will involve configuring and managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity,… more
    Leidos (07/16/25)
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  • Systems Administrator (Level 2 or 3)

    Northrop Grumman (Aurora, CO)
    …+ certified. + General system administrator /support skills in both Linux and Windows systems . + Create and maintain user and computer accounts and modify ... Be a part of our mission! Northrop Grumman Space Systems (NGSP) seeks to fill a **System Administrator...this role, the successful candidate will perform general System Administrator skills in Windows & Linux, with… more
    Northrop Grumman (06/25/25)
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  • COSMIC Systems Administrator II

    University Corporation for Atmospheric Research (Boulder, CO)
    systems , as well as ensuring compliance with US government and sponsor computer security standards. The COSMIC Systems Administrator II assists users with ... announce the job opening for the role of COSMIC Systems Administrator II. This position will support...issues-primarily on Linux, with occasional support for macOS and Windows -and maintaining high-availability systems for the COSMIC-2… more
    University Corporation for Atmospheric Research (07/18/25)
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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 ... products, services, and suggestions. * Adhere to strict Information Systems security guidelines in all cases. *...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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