• Linux Principal Windows

    Serco (Kirtland AFB, NM)
    **Position Description** Serco is seeking a Linux Principal Windows Systems Administrator to join our team supporting the Defense Systems sector at ... other legally protected characteristics. Click here to apply now (https://careers-sercous.icims.com/jobs/69556/linux- principal - windows - systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834477830) **New to… more
    Serco (05/17/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Palmdale, CA)
    …You!** The Northrop Grumman Classified Solutions team is seeking a highly experienced **Senior Windows Systems Administrator ** to join its dynamic team of ... 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 Windows System Administrator for a classified government… more
    Northrop Grumman (07/09/25)
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  • Windows / Principal Windows

    Northrop Grumman (Linthicum Heights, MD)
    …work of your career. Northrop Grumman Mission Systems is seeking an experienced Windows Systems Administrator to join its Classified Solutions team in ... workstations along with associated networks. + Install, harden, and patch Windows operating systems . + Configure, deploy, and harden thick, thin, and zero client… more
    Northrop Grumman (06/14/25)
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  • Principal Windows Systems

    Northrop Grumman (Redondo Beach, CA)
    …some of the best work of your career. Northrop Grumman is seeking a well-qualified Windows Systems Administrator to join its dynamic team of technical ... include but not be limited to the following: + Perform as primary Windows Systems Administrator for a large, classified government contract. + Communicate… more
    Northrop Grumman (07/18/25)
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  • Principal Windows System…

    RTX Corporation (El Segundo, CA)
    …citizens are eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph ** Principal Windows Systems Administrator - El Segundo, CA ... meaningful problems that create a safer, more secure world. ** Principal System Administrator ** in infrastructure Workplace Services,...are eligible for a security clearance. + Must have Windows systems administration experience + Must have… more
    RTX Corporation (07/11/25)
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  • Principal /Senior Principal Computer…

    Northrop Grumman (Roy, UT)
    …they're making history. Northrop Grumman is seeking a well-qualified Principal or Senior Principal Windows Systems Administrator to join its dynamic ... include but not be limited to: . Perform as Windows Systems Administrator for a...**_This position may be filled at either level 3 ( Principal ) or level 4 (Senior Principal ), depending… more
    Northrop Grumman (07/24/25)
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  • Senior / Principal Windows System…

    SciTec (Beavercreek, OH)
    …will not be considered. SciTec has an immediate opportunity for a talented Senior Principal Windows System Administrator to join our team in Dayton, ... and a clear focus on supporting customer needs. Responsibilities + Provide Windows systems administration in multiple heterogeneous Microsoft Windows more
    SciTec (07/24/25)
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  • Principal Systems

    BAE Systems (Merrimack, NH)
    …Other incentives may be available based on position level and/or job specifics. ** Principal Systems Administrator ** **113660BR** EEO Career Site Equal ... Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator ...after-hours or weekend support may be required for maintenance windows or incident response. You must be able to… more
    BAE Systems (06/19/25)
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  • Senior Systems Administrator

    Mount Sinai Health System (New York, NY)
    …data science ecosystem for researchers at Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems , and help ... team and a research data services team. The **_Senior Systems Administrator /Engineer,_** as a member of the...of experience in designing, administering and troubleshooting Linux and Windows systems , storage systems , network… more
    Mount Sinai Health System (06/24/25)
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  • Principal Systems

    Northrop Grumman (Colorado Springs, CO)
    Systems -Launch and Missile Defense Systems offers an exciting opportunity for a Principal Systems Administrator - COS IT Sys Admin (25-304) to join ... applications based on Windows servers + Make sure Windows systems have the necessary patches installed, including security updates, application patches,… more
    Northrop Grumman (07/26/25)
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  • Principal Systems

    RTX Corporation (Tucson, AZ)
    …are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Principal Systems Administrator - 100% onsite, Tucson, AZ, must ... our systems and support IT infrastructures around the world. ** Principal System** **Administrators,** internally known as Principal Analyst, infrastructure… more
    RTX Corporation (06/26/25)
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  • Principal / Sr. Principal

    Northrop Grumman (Colorado Springs, CO)
    …they're making history. Northrop Grumman Defense Systems is seeking a well-qualified Principal Systems Administrator / Sr. Principal Systems ... limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract....a dynamic environment, apply today!_ **Basic Qualifications** : + Principal : Master's Degree with 3 years of IT experience;… more
    Northrop Grumman (07/23/25)
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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 ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...to, the following:** + Perform as a Linux and Windows System Administrator on large government contracts.… more
    Northrop Grumman (06/12/25)
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  • 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) Cyber ... 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 (05/13/25)
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  • Sr. Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …are eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph **Sr. Principal Linux Systems Administrator - El Segundo, CA -Must have ... tough, meaningful problems that create a safer, more secure world. **Sr Principal System Administrator ** in infrastructure Workplace Services, collaborate with a… more
    RTX Corporation (08/01/25)
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  • Principal Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & ... in National Security!** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with...scripting for automation and provisioning + Foundational experience in Windows Systems Administration + Hands-on exposure to… more
    Leidos (07/31/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Aurora, CO)
    …of our mission. Northrop Grumman Space Systems (NGSP) seeks to fill a ** Principal or Sr. Principal ** **System Administrator ** in the Payload and Ground ... Qualifications** + VSAN design and implementation experience + Perform as consulting Systems Administrator and subject matter expert for classified government… more
    Northrop Grumman (07/23/25)
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  • Principal Systems

    ManTech (Arlington, VA)
    ManTech seeks a motivated, career and customer-oriented ** Principal Systems Administrator ** to join our team in **Pentagon, VA.** The position is **onsite.** ... within 6 months of hire + Knowledge of Microsoft Windows Systems , HP SANs, VMware products +...- VMware Certified Professional, CCNA - Cisco Certified Network Administrator + ITIL Foundations or later certification + General… more
    ManTech (05/24/25)
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  • Linux Systems Administrator

    Northrop Grumman (Wright Patterson AFB, OH)
    …days + US citizenship with an active TS/SCI clearance **Basic Qualifications for a Principal Systems Administrator :** + Bachelor's degree in a Science, ... they're making history. Northrop Grumman is seeking a Linux Systems Administrator to maintain and enhance Linux...wide variety of customer environments to include Linux and Windows . The team manages the hardware, software, network, security,… more
    Northrop Grumman (05/29/25)
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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 ... and maintain: + Security groups + User accounts + Windows /Linux server images + Storage systems and devices + Recommend system enhancements, including but not… more
    Northrop Grumman (07/11/25)
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