• 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

    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 ... security policies and procedures to protect Windows systems and data. + Monitor system performance...+ 5+ years professional experience performing duties of a Windows system administrator + Strong… more
    SciTec (11/19/25)
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  • Principal Windows Systems

    RTX Corporation (El Segundo, CA)
    …solves tough, meaningful problems that create a safer, more secure world. ** Principal System Administrator ** in infrastructure Workplace Services, ... teams to support fast-paced, critical programs with classified information system capabilities. Success in this role means you can...problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows more
    RTX Corporation (11/18/25)
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  • Principal System

    RTX Corporation (El Segundo, CA)
    …of our systems and support IT infrastructures around the world. **Sr. Principal System Administrators,** internally known as Sr. Principal Analyst, ... teams to support exciting, critical programs with classified information system capabilities. Success in this role means you can...problems. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows 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 System

    BAE Systems (Nashua, NH)
    …able to lift equipment (up to 40lbs) and work within controlled environments. **_In this Principal System Administrator position you will make impats in the ... Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator ...be available based on position level and/or job specifics. ** Principal System Administrator ** **119150BR** EEO… more
    BAE Systems (12/19/25)
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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 ... sustainment, and ground/flight test support. + Perform as a Windows \VMware System Administrator for a...the NAS Patuxent River area. Basic Qualifications for a Principal System Admin: + bachelor's degree with… more
    Northrop Grumman (12/12/25)
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  • Principal System

    DCCA (Annapolis Junction, MD)
    Principal System Administrator Location Annapolis Junction, MD Job Code 2270 # of Openings 1 Apply Now ... and a competitive compensation and benefits package. Visit our website at: www.dcca.com Principal System Administrator Candidate must have an active TS/SCI… more
    DCCA (11/17/25)
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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 ... will involve configuring and managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity, and enhancing system performance.… more
    Leidos (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 ... CO.** **Job Duties:** + Perform as a Linux and Windows System Administrator and able...NAS Storage + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system 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 ... to, the following:** + Perform as a Linux and Windows System Administrator on large...NAS Storage + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system more
    Northrop Grumman (11/13/25)
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  • Sr. Principal Storage & Data Protection…

    RTX Corporation (Tucson, AZ)
    …and create end-of-end solutions to solve complex DT infrastructure problems. As a **Senior Principal level System Administrator ,** this role will require a ... problems that create a safer, more secure world. **Sr. Principal Storage & Data Protection System Administrators**...Protection systems . + Experience with Linux and Windows Operating System . (RHEL preferred) + Experience… more
    RTX Corporation (12/05/25)
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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 Storage & Data Protection…

    RTX Corporation (Marlborough, MA)
    …Protection systems in Classified areas. **What You Will Do** : + System Administrator for Storage and Data Protection, across a geographically distributed, ... meaningful problems that create a safer, more secure world. ** Principal Storage & Data Protection System Administrators**...and endpoint configuration at scale. + Experience with hybrid system integration across Linux and Windows in… more
    RTX Corporation (12/05/25)
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  • Principal System

    RTX Corporation (Tucson, AZ)
    …integrity of our systems and support IT infrastructures around the world. ** Principal System Administrators** , internally known as Principal Analyst, ... 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 Linux Systems

    RTX Corporation (El Segundo, CA)
    …solves tough, meaningful problems that create a safer, more secure world. ** Principal System Administrator ** in infrastructure Workplace Services, ... and create end-to-end solutions to solve complex IT infrastructure problems. ** Principal System Administrators** collaborate with teams to support exciting,… 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 ... 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 (11/19/25)
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  • Principal Linux Systems

    RTX Corporation (Aurora, CO)
    …You will be supporting a Raytheon program in a classified environment as a ** Principal Linux System Administrator in Aurora, CO.** Responsibilities include ... well as scripting - particularly in Bash and Python. + Experience administering Windows based systems . + Demonstrated ability to work independently and… more
    RTX Corporation (12/29/25)
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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 ... in written and verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system engineers, PC… more
    Northrop Grumman (12/12/25)
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  • PDM/PLM Application Administrator

    RTX Corporation (Plano, TX)
    …for a security clearance​ **Security Clearance:** Top Secret - Current **Application System Administrator (PDM/PLM - Windchill) - Active TS Clearance required** ... (DT) Engineering Digital Solutions (EDS) group is seeking a motivated Business Systems & Transformation Technologist ( Principal Specialist). This candidate will… more
    RTX Corporation (11/24/25)
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