• Principal Windows Systems

    RTX Corporation (El Segundo, CA)
    …tough, meaningful problems that create a safer, more secure world. ** Principal System Administrator ** in infrastructure Workplace Services, collaborates with ... problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows ...IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. + Collaborate in… more
    RTX Corporation (11/18/25)
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  • Windows Server Administrator

    Northrop Grumman (Wright Patterson AFB, OH)
    …to develop and maintain good working relationships with internal and external stakeholders This Windows Systems Administrator will be an active part of a ... history, they're making history. Northrop Grumman is seeking a Windows Server Administrator / Principal Windows... Server Administrator to maintain and enhance Windows Systems and Infrastructure in support of… more
    Northrop Grumman (12/03/25)
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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, CO. ... and a clear focus on supporting customer needs. Responsibilities + Provide Windows systems administration in multiple heterogeneous Microsoft Windows more
    SciTec (11/19/25)
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  • Principal System Administrator

    RTX Corporation (El Segundo, CA)
    …solve complex IT infrastructure problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise ... technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Sr. Principal more
    RTX Corporation (12/09/25)
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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 (12/22/25)
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  • Principal /Sr. Principal

    Northrop Grumman (Patuxent River, MD)
    …Grumman Aeronautics Systems (NGAS) has an exciting career opportunity for a ** Principal /Sr. Principal Systems Administrator ** to join the Ground ... system integration, sustainment, and ground/flight test support. + Perform as a Windows \VMware System Administrator for a classified government contract. +… more
    Northrop Grumman (12/12/25)
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  • Principal System Administrator

    BAE Systems (Nashua, NH)
    …BAE Systems . BAE Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator to lead and manage classified IT ... to lift equipment (up to 40lbs) and work within controlled environments. **_In this Principal System Administrator position you will make impats in the following… more
    BAE Systems (12/19/25)
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  • Sr. Principal Systems

    Northrop Grumman (Aurora, CO)
    …history. Northrop Grumman Space Systems (NGSP) seeks to find a **Sr. Principal Systems Administrator ** supporting the Integrated National Systems ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...CO.** **Job Duties:** + Perform as a Linux and Windows System Administrator and able to build… more
    Northrop Grumman (11/06/25)
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  • Sr Principal Systems

    Northrop Grumman (Aurora, CO)
    …they're making history. Northrop Grumman Space Systems (NGSP) 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 (11/13/25)
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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 ... make a difference in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the implementation,… more
    Leidos (12/19/25)
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  • Principal Server Administrator

    BAE Systems (Washington, DC)
    …innovative IT solutions that enable our customers to achieve their missions. As a ** Principal Server Administrator ** , you'll play a critical role in providing ... looking for a new challenge, we encourage you to apply. As a Principal Server Administrator , you'll be responsible for provisioning, operating, and maintaining… more
    BAE Systems (10/30/25)
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  • Principal System Administrator

    DCCA (Annapolis Junction, MD)
    Principal System Administrator Location Annapolis Junction, MD Job Code 2270 # of Openings 1 Apply Now ... a competitive compensation and benefits package. Visit our website at: www.dcca.com Principal System Administrator Candidate must have an active TS/SCI w/Poly… more
    DCCA (11/17/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …tough, meaningful problems that create a safer, more secure world. ** Principal System Administrator ** in infrastructure Workplace Services, collaborates with ... and create end-to-end solutions to solve complex IT infrastructure problems. ** Principal System Administrators** collaborate with teams to support exciting, critical… more
    RTX Corporation (12/05/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …your career. Northrop Grumman Classified Solutions is seeking a well-qualified **Linux Systems Administrator ** to join its dynamic team of technical ... limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract....subnets, routing, and VLANs; Cisco experience and/or certification + Windows server management experience + Windows AD,… more
    Northrop Grumman (11/19/25)
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  • Principal Linux Systems

    RTX Corporation (Aurora, CO)
    …will be supporting a Raytheon program in a classified environment as a ** Principal Linux System Administrator in Aurora, CO.** Responsibilities include building, ... - particularly in Bash and Python. + Experience administering Windows based systems . + Demonstrated ability to work independently and troubleshoot problems… more
    RTX Corporation (12/29/25)
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  • PDM/PLM Application Administrator

    RTX Corporation (Plano, TX)
    …(DT) Engineering Digital Solutions (EDS) group is seeking a motivated Business Systems & Transformation Technologist ( Principal Specialist). This candidate will ... tools, or methodologies: PTC Windchill, Oracle database, Apache web server, Linux & Windows server operating systems , Shell scripting, CAD tools (eg Creo… more
    RTX Corporation (11/24/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at ... 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 (12/12/25)
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  • Sr. Principal Storage & Data Protection…

    RTX Corporation (Tucson, AZ)
    …create end-of-end solutions to solve complex DT infrastructure problems. As a **Senior Principal level System Administrator ,** this role will require a seasoned ... interim clearance is obtained.** + Experience working with Storage and Data Protection systems . + Experience with Linux and Windows Operating System. (RHEL… more
    RTX Corporation (12/05/25)
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  • Principal System Administrator

    RTX Corporation (Tucson, AZ)
    …of our systems and support IT infrastructures around the world. ** Principal System Administrators** , internally known as Principal Analyst, infrastructure ... solve complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise… more
    RTX Corporation (12/29/25)
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  • Principal Storage & Data Protection System…

    RTX Corporation (Marlborough, MA)
    …solves tough, meaningful problems that create a safer, more secure world. ** Principal Storage & Data Protection System Administrators** collaborate with a motivated ... create end-of-end solutions to solve complex DT infrastructure problems. As a ** Principal Storage & Data Protection System Administrators,** this role will require a… more
    RTX Corporation (12/05/25)
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