• 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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  • Senior / Principal Windows System…

    SciTec (Boulder, CO)
    …and a clear focus on supporting customer needs. Responsibilities + Provide Windows systems administration in multiple heterogeneous Microsoft Windows ... has 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 (06/18/25)
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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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  • 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 (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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  • Systems Administrator (Level 2 or 3)

    Northrop Grumman (Aurora, CO)
    …Security+ certified. + General system administrator /support skills in both Linux and Windows systems . + Create and maintain user and computer accounts and ... 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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  • 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 & ... make a difference in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the implementation,… more
    Leidos (07/16/25)
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  • Principal Engineer Systems Test - System…

    Northrop Grumman (Colorado Springs, CO)
    …At least 5 years of experience as a data manager or Linux systems administrator + Self-motivated with strong communication, interpersonal, and problem-solving ... clients and internal and external personnel + Experience with Linux and Windows systems + Shell scripting, cron jobs, automation tools, and scripting **Basic… more
    Northrop Grumman (07/26/25)
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  • Linux Automation Systems

    Actalent (Aurora, CO)
    Linux Automation Systems Administrator Level 5 Job Description We are seeking a Linux Automation Systems Administrator to build, maintain, and secure ... using VMware vCenter. + Experience managing network devices. + Experience administering Windows -based systems . + Experience with pipeline tools such as Jenkins… more
    Actalent (07/30/25)
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  • Systems Administrator with Secret…

    TestPros (Colorado Springs, CO)
    …compliance, and patching per cybersecurity requirements. Key Responsibilities: + Administer Windows /Linux systems and services + Perform regular patching, ... (Pending Award) Overview: Support the configuration, maintenance, and security of mission-critical systems . The role is critical to ensuring system availability,… more
    TestPros (08/02/25)
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