• 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 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)
    …citizens are eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph **Senior Principal Linux System Administrator - Aurora, CO, ... Raytheon program in a classified environment as a **Senior Principal Linux System Administrator...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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  • 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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  • 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 System

    RTX Corporation (Aurora, CO)
    …You will be supporting a Raytheon program in a classified environment as a Linux System Administrator . + Responsibilities include building, maintaining, and ... 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… more
    RTX Corporation (06/18/25)
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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 (04/10/25)
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  • Sr. Principal System

    Northrop Grumman (Colorado Springs, CO)
    …Missile Defense Systems has an exciting career opportunity for a **Sr.** ** Principal System Administrator - C2BMC Global Operations Lead (25-138)** to ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (04/08/25)
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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 (03/29/25)
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  • Systems Administrator 3

    Belcan (Colorado Springs, CO)
    …energetic individual to work at our Colorado Springs, CO location as a Principal /Senior Principal Systems Administrator supporting the JTAGS ... future capabilities. Responsibilities: * Perform as a Windows and Linux System Administrator for a...and develop approach to solutions Basic Qualifications for a Principal /Senior Principal Systems Administrator more
    Belcan (05/08/25)
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  • Systems Administrator (Level 2 or 3)

    Northrop Grumman (Aurora, CO)
    …** System Administrator (A02)/** ** Principal System Administrator (A03)** in the Payload and Ground Systems Division Engineering organization ... the successful candidate will perform general System Administrator skills in Windows & Linux , with... system administrator /support skills in both Linux and Windows systems . + Create and… more
    Northrop Grumman (06/25/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Colorado Springs, CO)
    …work at our Colorado Springs, CO location as a ** Principal /S** **enior Principal Systems Administrator ** **/ Systems Integration Engineer** ... Systems Administration and secondarily perform as a Windows Systems Administrator . The team manages the hardware,...**Roles and Responsibilities:** + Perform as a Windows and Linux System Administrator for a… more
    Northrop Grumman (05/29/25)
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  • RHEL Principal /Sr. Principal

    Northrop Grumman (Colorado Springs, CO)
    …energetic individual to work at our Colorado Springs, CO location as a **RHEL Principal /Senior Principal Systems Administrator ** supporting the JTAGS ... planned for future capabilities. **Roles and Responsibilities:** + Perform as a Senior Linux Systems Administrator . + Maintain smooth operation of multi-user… more
    Northrop Grumman (05/28/25)
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  • Principal Engineer Software

    Northrop Grumman (Aurora, CO)
    …+ Experience with open software/ system architecture solutions + Experience with Linux operating systems + Experience with CUDA and GPUs + Experience ... and Digital Engineering department which has 200+ Software Engineer, DevOps Engineer, Systems Administrator , Database Administrator , and Network Engineer… more
    Northrop Grumman (04/30/25)
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  • (DoD SkillBridge) Software Engineer/…

    Northrop Grumman (Aurora, CO)
    …and Digital Engineering department which has 200+ Software Engineer, DevOps Engineer, Systems Administrator , Database Administrator , and Network Engineer ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (06/13/25)
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  • Information System Security Officer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …experience in a TS/SCI environment supporting a government customer or 5+ years as System Administrator /Cyber Support to classified systems . + A current ... partners and ourselves. Kratos is looking for an Information System Security Officer (ISSO) Level 2-3 to support ...systems to include Microsoft Windows, Red Hat Enterprise Linux (RHEL), and Linux -based operating systems more
    Kratos Defense & Security Solutions, Inc. (05/22/25)
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