• Principal Systems

    BAE Systems (Merrimack, NH)
    …a highly trained and motivated Principal Closed Area Systems Administrator to lead and manage classified IT infrastructure operations in support of ... Other incentives may be available based on position level and/or job specifics. ** Principal Systems Administrator ** **113660BR** EEO Career Site Equal… more
    BAE Systems (06/19/25)
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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 more
    Northrop Grumman (07/23/25)
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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 ... lasting impactful results. Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...+ **User Assistance:** Assist users in accessing and using IT systems , providing support for escalated tickets… 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 ... problems that create a safer, more secure world. **Sr Principal System Administrator ** in infrastructure Workplace Services,...the integrity of our systems and support IT infrastructures around the world. **Sr Principal more
    RTX Corporation (08/01/25)
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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.** ... needs + Maintain accurate and up-to-date documentation of IT systems , procedures, and user support information...- VMware Certified Professional, CCNA - Cisco Certified Network Administrator + ITIL Foundations or later certification + General… more
    ManTech (05/24/25)
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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 ... 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 (06/12/25)
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  • Principal Systems

    RTX Corporation (Tucson, AZ)
    …security threats, secure the integrity of our systems and support IT infrastructures around the world. ** Principal System Administrators** , internally known ... complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise… more
    RTX Corporation (08/02/25)
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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 demonstrated experience supporting and optimizing… more
    Leidos (07/31/25)
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  • Principal Cyber Systems

    Northrop Grumman (Tampa, FL)
    …best work of your career. We are looking for you to join our team as a Principal Cyber Systems Administrator based out of Tampa, FL. _Please Note:_ + _Due ... processes related to these systems . + Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all supported… more
    Northrop Grumman (06/20/25)
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  • Principal Linux Systems

    Northrop Grumman (Aurora, CO)
    …The Northrop Grumman Classified Solutions team is seeking an experienced **Linux Systems Administrator ** to join its dynamic team of technical professionals. ... include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at… more
    Northrop Grumman (06/25/25)
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