• 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 (12/22/25)
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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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  • 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 ... us and make a difference in National** **Security!** Join our team as a ** Linux Systems Administrator** , where you'll provide crucial support for the… more
    Leidos (12/19/25)
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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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  • 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 ... be a condition of continued employment + Must have Linux Operating Systems support experience + ...routing, and VLANs + Cisco experience and/or certifications + Windows server management experience + Windows Active… more
    Northrop Grumman (12/12/25)
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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 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

    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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  • 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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  • Linux / AWS Systems Administrator…

    Northrop Grumman (Morrisville, NC)
    …Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator** to join its dynamic team of technical ... limited to the following:** + Serve as a senior Linux Systems Administrator within an AWS cloud...writing. + DoD 8570 Certification in a primary OS ( Windows , Linux , Cisco). We offer flexible work… more
    Northrop Grumman (11/15/25)
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  • DreamWorks Technology - Sr. Systems

    NBC Universal (Glendale, CA)
    …be completed during 2025. DreamWorks Animation is seeking a Senior Systems Administrator to join its multi-platform Infrastructure Engineering and Operations team. ... As a Senior Systems Administrator, you will be responsible for administering and...will be responsible for administering and architecting the studio's Linux infrastructure ranging from business as usual tasks, upgrades,… more
    NBC Universal (12/16/25)
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  • Sr. Principal Cyber Systems Engineer

    Northrop Grumman (Redondo Beach, CA)
    …Firewalls, CISCO IOS) + Experienced in the implementation of CMMC/DFARS/RMF/DOD Security Controls on Linux and Windows operating systems (ie Windows SHB ... making history. Northrop Grumman has an opening for **Sr. Principal Cyber Systems Engineer** to join the...CISCO network switches + Implementation of Security controls on Windows and Linux Servers and workstations +… more
    Northrop Grumman (11/26/25)
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  • Sr Principal Systems Administrator

    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 Aurora, ... be limited to, the following:** + Perform as a Linux and Windows System Administrator on large...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (11/13/25)
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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 Segment ... Current valid DoD 8570 Certification in a primary OS ( 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 (12/12/25)
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  • Principal System Administrator

    BAE Systems (Nashua, NH)
    …impats in the following ways_** + Administer patch management for RHEL-based Linux systems , including vulnerability scanning, patch deployment, and compliance ... Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator to lead...integration. + Deploy and configure Splunk Universal Forwarders on Linux systems ; manage log ingestion and index… more
    BAE Systems (12/19/25)
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  • Principal / Sr. Principal

    Northrop Grumman (Patuxent River, MD)
    …CE, or ability to obtain within 6 months of hire date + Must have experience with Windows and Linux Operating Systems + Must have ability to work after hours ... Aeronautics Systems has an opening for a ** Principal / Sr. Principal Systems ...months of hire date + Must have experience with Windows and Linux Operating Systems more
    Northrop Grumman (10/30/25)
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  • Sr. Software Engineer - EC2 Windows OS…

    Amazon (Santa Clara, CA)
    …NDIS, StorPort, WDM, WDF etc - Deep understanding into OS level, familiar with either Windows or Linux kernels - Prior experience with at least one full software ... build services that handle large scale, highly available distributed systems . We are looking for Software Development Engineers who...has a strong track record of developing and delivering Windows user- or kernel-mode drivers in a system level… more
    Amazon (12/18/25)
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  • Sr. Principal Systems Administrator

    Northrop Grumman (Aurora, CO)
    …history. Northrop Grumman Space Systems (NGSP) seeks to find a **Sr. Principal Systems Administrator** supporting the Integrated National Systems (INS) ... in **Aurora, CO.** **Job Duties:** + Perform as a Linux and Windows System Administrator and able...+ Solid understanding of remediating security vulnerabilities; Experience hardening Linux systems in accordance with RMF and… more
    Northrop Grumman (11/06/25)
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