• 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) ... a mission-critical program with lasting impactful results. Join our team as a ** Linux Systems Administrator ** , where you'll provide crucial support for the… more
    Leidos (05/30/25)
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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 ... include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively… more
    Northrop Grumman (06/25/25)
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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 Systems Administrator Aurora, CO, 100% ... a Raytheon program in a classified environment as a ** Principal ** ** Linux System Administrator .** +...GSEC, SSCP, CySA+, CND. + Experience administering Red Hat Linux based systems with minimal support, to… more
    RTX Corporation (05/23/25)
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  • Senior Principal Linux System…

    RTX Corporation (Aurora, CO)
    …are eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph **Senior Principal Linux System Administrator - Aurora, CO, must have ... Raytheon program in a classified environment as a **Senior Principal Linux System Administrator ** and...GICSP, GSEC, SSCP, CySA+, CND. .Experience administering Red Hat Linux based systems with minimal support, to… more
    RTX Corporation (06/23/25)
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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 on large...+ 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)
    …your future and launch your career today. #definingpossible Northrop Grumman is seeking a Systems Administrator to join our team based in the Aurora, Colorado ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...be limited to, the following: * Perform as a Linux System Administrator on large government contracts.… more
    Northrop Grumman (06/05/25)
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  • Sr Principal Sys Admin - COS IT System…

    Northrop Grumman (Colorado Springs, CO)
    …not limited to security, applications, and OS updates + Make sure all Windows and Linux systems are using the most up-to-date antivirus software with the latest ... offers an exciting career opportunity for a Sr Principal System Administrator - COS IT System...Windows/ Linux server-based applications + Ensure that all Windows/ Linux -based systems have the appropriate patches installed,… more
    Northrop Grumman (06/07/25)
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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...and troubleshooting systems in both Windows and Linux environments will be the driving force behind the… more
    SAIC (04/10/25)
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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...Design, deploy, and maintain enterprise server environments, including Windows, Linux , and hybrid cloud infrastructures. + Manage and optimize… more
    Leidos (03/29/25)
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  • Principal System Administrator

    RTX Corporation (Aurora, CO)
    …for a security clearance​ **Security Clearance:** TS/SCI with Polygraph + **Senior Red Hat Linux Administrator Aurora, CO, 100% on site, must have active TS/SCI ... and create end-to-end solutions to solve complex digital infrastructure problems.Our ** Principal ** **L** **inux Administrator ** to achieve the mission of… more
    RTX Corporation (06/18/25)
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