• Senior Systems Administrator…

    Mount Sinai Health System (New York, NY)
    …at Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems , and help support high-performance computing (HPC) ... + At least 6 years of experience in designing, administering and troubleshooting Linux and Windows systems , storage systems , network and VMs. + The… more
    Mount Sinai Health System (09/22/25)
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  • Principal System Administrator…

    RTX Corporation (El Segundo, CA)
    …Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment. + Understanding and knowledge of ... 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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  • Sr Principal Linux Systems

    Northrop Grumman (Melbourne, FL)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking an senior ** Linux Systems Administrator** to join its dynamic team of technical ... limited to the following: + Maintain the virtual desktop infrastructure and Linux systems supporting Government programs in accordance with established… more
    Northrop Grumman (11/25/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …work of your career. Northrop Grumman Classified Solutions is seeking a well-qualified ** Linux Systems Administrator** to join its dynamic team of technical ... be limited to the following: + Perform as primary Linux Systems Administrator for a classified government...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 Windows Systems

    Northrop Grumman (Gilbert, AZ)
    …Grumman Chief Information and Digital Office (CIDO) organization is seeking an experienced ** Principal Windows Systems Administrator** to join its dynamic ... Other DoD 8570 Certifications in a primary Operating System ( Windows , Linux , Cisco) + Experience operating under...Linux , Cisco) + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (12/04/25)
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  • Principal Linux Systems

    RTX Corporation (El Segundo, CA)
    …+ Provide IT systems administration in a heterogeneous Redhat Enterprise Linux and Microsoft Windows environment. + Collaborate in a fast-paced environment, ... US citizens are eligible for a security clearance. + Must have experience with Linux systems administration + Experience with one of the following: Solaris, … more
    RTX Corporation (12/05/25)
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  • Principal Platform Engineer / Linux

    RTX Corporation (Aurora, CO)
    …create a safer, more secure world. Raytheon Technologies (RTX) is seeking a ** Principal Platform Engineer / Linux ** with well-rounded Linux Infrastructure ... Customer for Technical Exchange Meetings (TEMs) as required. The ** Principal Platform Engineer / Linux ** would be...implementation, of infrastructure solutions + You will maintain existing systems through Linux Based Tools and manage… more
    RTX Corporation (12/09/25)
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  • Principal IT Windows Systems

    SpaceX (Redmond, WA)
    Principal IT Windows Systems ...with adjacent technologies and disciplines: + Datacenter infrastructure + Linux systems + Database systems ... hours and weekends as needed. COMPENSATION AND BENEFITS: Pay Range: Principal IT Windows Systems Engineer: $165,000.00 - $230,000.00/year Your actual level… more
    SpaceX (12/11/25)
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  • Principal Windows Systems

    Northrop Grumman (San Diego, CA)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Windows Systems Administrator** to join its dynamic team of technical ... + DoD 8570 Certification in a primary Operating System ( Windows , Linux , Cisco) + Experience operating under...Linux , Cisco) + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (11/21/25)
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  • Principal Linux Systems

    RTX Corporation (Aurora, CO)
    …be supporting a Raytheon program in a classified environment as a ** Principal ** ** Linux System Administrator in Aurora, CO.** Responsibilities include building, ... well as scripting - particularly in Bash and Python + Experience administering Windows based systems + Demonstrated ability to work independently and… more
    RTX Corporation (12/09/25)
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  • Principal Windows Systems

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

    Northrop Grumman (Linthicum Heights, MD)
    …to do some of the best work of your career. Northrop Grumman Mission Systems is seeking a well-qualified Windows Administrator to join its Classified Solutions ... limited to the following: + Perform as a primary Windows /VMware systems administrator for a classified government... AD, LDAP, VMWare, and knowledge of SAN storage systems . + Linux Operating System experience and/or… more
    Northrop Grumman (11/13/25)
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  • Windows Systems Administrator/…

    Northrop Grumman (Jessup, MD)
    …of your career. Northrop Grumman Mission Systems is seeking an experienced Windows Systems Administrator to join its Classified Solutions team in Annapolis ... along with associated networks. + Install, harden, and patch Windows operating systems . + Configure, deploy, and...PCs. + Proficiency in the administration and troubleshooting of Linux Systems . + In-depth knowledge of Microsoft… more
    Northrop Grumman (12/05/25)
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  • Senior Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …and license configuration; and workstation support. + Experience with troubleshooting, patching, and support Linux , ESXi and Windows Systems . + Work as a ... and maintenance of systems hardware and software related to a Linux / Windows infrastructure for classified programs. Duties include, but are not limited… more
    RTX Corporation (09/26/25)
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  • Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …NetBackup, prior systems administration and networking administration experience, Windows or Linux administration, backup, and recovery enterprise suites. ... more secure world. What You Will Do: Provide IT systems administration in a heterogeneous RedHat Enterprise / Microsoft...and deploy Red Hat Podman containers. Experience with Server, Windows Server internals or Linux fundamentals to… more
    RTX Corporation (10/21/25)
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  • Principal Systems Administrator 4…

    Oracle (Oklahoma City, OK)
    …teams. **Requirements:** + Seeking over 10+ years of experience working with Windows , Unix/ Linux Servers and system administration + Must have background ... center with the focus on excellence. Oracle's Federal Operations Principal Production Service System Administrators provide system implementation, support,… more
    Oracle (11/25/25)
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  • Senior / Principal Windows System…

    SciTec (Boulder, CO)
    …+ Provide Windows systems administration in multiple heterogeneous Microsoft Windows and Red Hat Enterprise Linux environments + Install, configure, and ... has an immediate opportunity for a talented Senior / Principal Windows System Administrator to join our...Implement and maintain security policies and procedures to protect Windows systems and data. + Monitor system… more
    SciTec (11/19/25)
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  • Windows Server Administrator/…

    Northrop Grumman (Wright Patterson AFB, OH)
    …only part of 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 the National Air...master's degree with 0 year of relevant experience. + ** Principal Windows Server Administrator (level 3):** Bachelor's… more
    Northrop Grumman (12/03/25)
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  • Senior Principal Software Engineer…

    Dell Technologies (Austin, TX)
    **Senior Principal Software Engineer - Windows Driver Developer** We are seeking a highly skilled and motivated Windows Driver Developer to join our BIOS and ... to advancing Dell's Modern BIOS initiatives, including full stack development of Windows , BIOS and EC (Embedded Controller) drivers and diagnostic applications for … more
    Dell Technologies (10/03/25)
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  • Principal Instrumentation Software…

    AbbVie (Madison, WI)
    …junior software engineers. Responsibilities: + Design, develop, test, troubleshoot, and maintain Linux and Windows based software solutions that improve the ... in developing, software that controls and interacts with instruments and systems used for measurement, automation, and process control. They critically evaluate… more
    AbbVie (12/04/25)
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