• Principal System Administrator…

    RTX Corporation (Marlborough, MA)
    …integrity of our systems and support IT infrastructures around the world. ** Principal Linux System Administrators,** internally known as Principal ... is required prior to start date.** + Experience with Red Hat Enterprise Linux (RHEL), including system installation, administration , patching, and… more
    RTX Corporation (09/19/25)
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  • Principal System Administrator

    RTX Corporation (Aurora, CO)
    …that create a safer, more secure world. Raytheon has an opportunity for a ** Principal System Administrator** for Linux operational support and sustainment ... other government mandated processes during the life cycle of systems they will maintain. **What You Will Do:** +...Red Hat Linux experience + Must have system maintenance experience such as user administration ,… more
    RTX Corporation (09/03/25)
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  • Senior Systems Administrator - Windows/…

    Mount Sinai Health System (New York, NY)
    …The Administrator is the principal technology expert for Windows and Linux systems , and help support high-performance computing (HPC) environment in the ... job scheduler are preferred. **Responsibilities** + Design, develop, implement all system administration tasks, including hardware and software configuration and… more
    Mount Sinai Health System (09/22/25)
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  • Principal Systems Admin

    RTX Corporation (Woburn, MA)
    …Experience working with Storage and Data Protection systems . + Experience with Linux Operating System . (RHEL preferred) + Experience with Windows operating ... team solves tough, meaningful problems that create a safer, more secure world. ** Principal Storage & Data Protection System Administrators** collaborate with a… more
    RTX Corporation (09/26/25)
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  • Sr. Principal System Admin

    RTX Corporation (Tucson, AZ)
    …more secure world. **What You Will Do:** + Experience with Linux architecture, deployment, administration , networking, performance monitoring/tuning, security ... DHCP, DNS, NIS, LDAP, CIFS, NFS, Samba and *NIX system security. + Experience with infrastructure backup, restore, disaster...are eligible for a security clearance. + Experience supporting Linux and/or Windows operating systems . + Experience… more
    RTX Corporation (09/10/25)
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  • Sr Principal Sys Admin - Identity…

    Northrop Grumman (Colorado Springs, CO)
    …and Missile Defense Systems presents an excellent opportunity for a Sr Principal Systems Administrator - Identity & Access Mgmt Systems Administrator ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...program is a vital part of the Missile Defense System . It provides a crucial operational platform that allows… more
    Northrop Grumman (09/13/25)
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  • Senior Linux Systems Administrator

    General Dynamics Information Technology (Macdill AFB, FL)
    …None **Job Family:** IT Infrastructure and Operations **Skills:** Linux , System Administration ,Troubleshooting **Certifications:** CompTIA Security+ ... to foster a deeper understanding of Linux systems . + Reviewing and preparing system documentation,...CentOS Linux servers. + Proven experience in systems administration and infrastructure management. + Ability… more
    General Dynamics Information Technology (09/16/25)
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  • United States Postal Service (USPS) Incumbent…

    General Dynamics Information Technology (Fairfax, VA)
    …+ Cisco ISE Engineer + DNS/DHCP Network Engineer + Microsoft Power BI Developer + Principal Unix/ Linux Systems Administrator + VPN Network Engineer + Wi-Fi ... + Business Analysts + Business Process Analyst + Business Systems Analysts + Architects + Cloud Architect + Compute...Designer + Industrial Engineering + IT Administrators + IT Administrative Analyst + IT System Administrator +… more
    General Dynamics Information Technology (09/19/25)
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  • DreamWorks Technology - Sr. Systems

    NBC Universal (Glendale, CA)
    …I need to have in order to do this job?" + Minimum 10+ years as a Senior Linux system administration in a large (500+ system ) environment + Develop tools ... be completed during 2025. DreamWorks Animation is seeking a Senior Systems Administrator to join its multi-platform Infrastructure Engineering and Operations team.… more
    NBC Universal (09/17/25)
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  • Senior HPC Linux System

    Leidos (Atlanta, GA)
    …**HPC infrastructure. (High performance computing)** + Linux expertise:Mastery of Linux systems and administration , including troubleshooting, security, ... Services Operation of Leidos is seeking a **Senior HPC** ** Linux System Administrator** to lead a team...other system administrators on best practices for system administration and troubleshooting. Some roles involve… more
    Leidos (09/30/25)
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