• 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) ... with lasting impactful results. Join our team as a ** Linux Systems Administrator ** , where...Fifteen (15) or more years of experience as a System Administrator (SA) supporting programs and contracts… more
    Leidos (05/30/25)
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  • Principal Linux System

    RTX Corporation (Aurora, CO)
    …US citizens are eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph ** Principal Linux System Administrator - Aurora, CO, ... a Raytheon program in a classified environment as a ** Principal Linux System Administrator...GSEC, SSCP, CySA+, CND. + Experience Red Hat Enterprise Linux based systems + Experience with DT… more
    RTX Corporation (07/08/25)
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  • Principal Linux Systems

    Northrop Grumman (Aurora, CO)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... be limited to the following: + Perform as primary Linux Systems Administrator for a...verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system more
    Northrop Grumman (06/25/25)
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  • Sr Principal Sys Admin - COS IT…

    Northrop Grumman (Colorado Springs, CO)
    …-Launch and Missile Defense Systems offers an exciting career opportunity for a Sr Principal System Administrator - COS IT System Administrator ... all Windows/ Linux -based servers + Create and maintain Windows/ Linux system administration processes and procedures +...and OS updates + Make sure all Windows and Linux systems are using the most up-to-date… more
    Northrop Grumman (06/07/25)
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  • Principal Systems

    Northrop Grumman (Colorado Springs, CO)
    …-Launch and Missile Defense Systems is offering an exciting opportunity for a Principal Systems Administrator (25-292) to join our team of skilled and ... of the missile defense system . Operate, maintain, and manage Linux -based systems supporting a software development environment. Responsible for the… more
    Northrop Grumman (07/11/25)
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  • Sr Principal Systems

    Northrop Grumman (Aurora, CO)
    …the warfighter. Come be a part of our mission. Northrop Grumman is seeking a **Sr Principal Systems Administrator ** to join our team at our facility in ... be limited to, the following:** + Perform as a Linux and Windows System Administrator ...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (06/12/25)
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  • Principal Systems

    Northrop Grumman (Aurora, CO)
    …will include, but not be limited to, the following: * Perform as a Linux System Administrator on large government contracts. * Perform administration ... your future and launch your career today. #definingpossible Northrop Grumman is seeking a Systems Administrator to join our team based in the Aurora, Colorado… more
    Northrop Grumman (06/05/25)
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  • Principal Systems

    SAIC (Colorado Springs, CO)
    **Description** SAIC's Horizon 2 contract is seeking an energized and professional ** Principal ** ** Systems Administrator ** to support the contract's secure ... CO** . Your background in configuring, maintaining, and troubleshooting systems in both Windows and Linux environments...the daily activities of configuration and operations of IT systems , to include user accounts and system more
    SAIC (07/10/25)
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  • 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, ... and maintain security policies and procedures to protect Windows systems and data + Monitor system performance...10+ years professional experience performing duties of a Windows system administrator + In-depth knowledge of Microsoft… more
    SciTec (06/18/25)
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  • Principal Systems

    Leidos (Aurora, CO)
    …Solutions 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 oversees development, integration, delivery, and operations and… more
    Leidos (06/28/25)
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