• Principal Linux Systems Administrator…

    Northrop Grumman (Aurora, CO)
    …the required certification will be a condition of continued employment + Must have Linux Operating Systems support experience + Linux Workstation and Server ... missions. By joining in our shared mission, we will support yours by expanding your personal network and developing...Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator** to join its dynamic team of… more
    Northrop Grumman (06/25/25)
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  • Hybrid Systems Engineer, Sr (Windows…

    Lockheed Martin (Littleton, CO)
    …expert\- level installation, configuration, and maintenance of Windows and Linux environments, database deployments, and application tools\. In this position the ... in Littleton, CO\. The selected candidate will be responsible for providing support to the critical Programs that the Special Programs Division are responsible… more
    Lockheed Martin (07/12/25)
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  • Senior Linux Systems Administrator - 10k…

    Leidos (Aurora, CO)
    …a ** Linux Systems Administrator** , where you'll provide crucial support for the implementation, troubleshooting, and maintenance of Information Technology (IT) ... **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber &… more
    Leidos (07/16/25)
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  • Principal Linux System Administrator

    RTX Corporation (Aurora, CO)
    …CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND. + Experience Red Hat Enterprise Linux based systems + Experience with DT support , to include patching, ... eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph **Principal Linux System Administrator - Aurora, CO, must have an active TS/SCI CI… more
    RTX Corporation (07/08/25)
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  • Systems Administrator ( Level 2 or 3

    Northrop Grumman (Aurora, CO)
    …in STEM with 2+ years of relevant experience, OR Master's degree with 0+ years + ** Level 3 ** - Bachelor's degree in STEM with 5+ years of relevant experience, OR ... Master's degree with 3 + years, OR PhD with 1+ year + **Active...are required to be Security+ certified. + General system administrator/ support skills in both Linux and Windows… more
    Northrop Grumman (06/25/25)
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  • Sr. System Dev Engineer, Storage Systems Team

    Amazon (Denver, CO)
    …apart in the industry. As a member of the UC organization, you'll support the development and management of Compute, Database, Storage, Internet of Things (IoT), ... Platform, and Productivity Apps services in AWS, including support for customers who require specialized security solutions for...as well as debugging. Having a systems code span 3 different languages and the globe does not slow… more
    Amazon (07/03/25)
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  • Mid- Level Cyber Threat Emulation Analyst…

    Amentum (Colorado Springs, CO)
    **Position Title: Mid- Level Cyber Threat Emulation Analyst** **Location:** Schriever Space Force Base, Colorado Springs, CO or Redstone Arsenal, Huntsville, AL ... **Travel Required:** Up to 10% of the time **Description of Duties:** The **Mid- Level Cyber Threat Emulation Analyst** supports the Missile Defense Agency (MDA) on… more
    Amentum (07/15/25)
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  • Partner Technical Account Manager - OpenShift…

    Red Hat (Denver, CO)
    …Hat OpenShift Container Platform. * Expertise with containers and container management * 3 + years of Linux or UNIX system administration experience * Experience ... Hat's Global Partner Engagement team is looking for an experienced, enterprise- level engineer with a background in Platform-as-a-Service and container technologies… more
    Red Hat (06/23/25)
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  • Systems Administrator

    TEKsystems (Aurora, CO)
    …Top Skills' Details 1. 5+ years of experience with Red Hat Enterprise Linux (RHEL) server administration in an SCI classified environment 2. VMware and ESXi ... (6.x or higher) configuration and management experience 3 . Group Policies (GPOs) experience; Active Directory management experience...scope Poly 5. Must have a DOD 8570 IAT Level 2 baseline certification (example: Security+ CE, CISSP) 6.… more
    TEKsystems (07/13/25)
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  • Cybersecurity Penetration Tester - Mid-…

    Cayuse Holdings (CO)
    …testing. + Possess an active Secret clearance. + Must obtain DOD 8570 IAT Level 3 certification within 6 months and maintain throughout employment + Profound ... in-depth security analysis on systems to pinpoint vulnerabilities. + Provide expert- level testing skills across various operating systems and software databases. +… more
    Cayuse Holdings (05/28/25)
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