• Principal Virtual Server

    BAE Systems (Vicksburg, MS)
    …delivering innovative IT solutions that enable our customers to achieve their missions. As a ** Principal Virtual Server Administrator ** , you'll play a ... professional looking for a new challenge, we encourage you to apply. As a Principal Virtual Server Administrator , you'll proactively manage and monitor … more
    BAE Systems (11/18/25)
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  • Principal Patch Management Server

    BAE Systems (Phoenix, AZ)
    …innovative IT solutions that enable our customers to achieve their missions. As a ** Principal Patch Management Server Administrator ** , you'll play a ... that values innovation, teamwork, and customer satisfaction. As a Principal Patch Management Server Administrator ,...manage and monitor the patch level of physical and virtual servers and networks to ensure proper operation, recommending… more
    BAE Systems (11/18/25)
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  • Principal Windows Systems…

    Northrop Grumman (Gilbert, AZ)
    …Chief Information and Digital Office (CIDO) organization is seeking an experienced ** Principal Windows Systems Administrator ** to join its dynamic team of ... on-site, full-time, at our facility/campus. This is not a virtual position._ Responsibilities will include but not be limited...to the following: + Perform as a Windows System Administrator for a classified government contract. + Able to… more
    Northrop Grumman (12/04/25)
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  • Senior / Principal Windows System…

    SciTec (Boulder, CO)
    …not be considered. SciTec has an immediate opportunity for a talented Senior / Principal Windows System Administrator to join our team in Boulder, CO. Successful ... experience with Active Directory design, configuration, & maintenance, Windows Server and desktop operating system support, familiarity with hardware procurement,… more
    SciTec (11/19/25)
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  • Principal Linux Systems…

    Northrop Grumman (Linthicum Heights, MD)
    …Northrop Grumman Classified Solutions is seeking a well-qualified **Linux Systems Administrator ** to join its dynamic team of technical professionals in **Linthicum, ... work on-site, full-time, at our_** **_Linthicum, MD_** **_campus. This is not a virtual position._** **Candidates MUST possess a current TS/SCI to include a current… more
    Northrop Grumman (11/19/25)
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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 ... tough, meaningful problems that create a safer, more secure world. **Sr. Principal Storage & Data Protection System Administrators** collaborate with a motivated… more
    RTX Corporation (12/05/25)
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  • Principal Systems Administrator

    Northrop Grumman (Colorado Springs, CO)
    …Grumman Space Systems-Missile Defense Integration offers an excellent opportunity for a Principal Systems Administrator -Helpdesk Sys Admin (25-571) to join our ... We are seeking a detail-oriented and highly motivated Help Desk System Administrator to join our team in Colorado Springs. This position involves providing… more
    Northrop Grumman (12/05/25)
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  • Principal Windows Systems…

    Northrop Grumman (San Diego, CA)
    …Grumman Classified Solutions team is seeking an experienced **Windows Systems Administrator ** to join its dynamic team of technical professionals. The qualified ... work being performed, this position does not offer any virtual or telecommute working options. Applicants are encouraged to...to the following: + Perform as a Windows System Administrator for a classified government contract. + Able to… more
    Northrop Grumman (11/21/25)
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  • Principal Linux Administrator

    RTX Corporation (Mckinney, TX)
    …our RTX **Enterprise Services** team: **Role Overview:** RTX is seeking a Principal Linux Administrator to support a highly virtualized Enterprise infrastructure ... to be considered.** **What You Will Do:** + Install and manage Linux server hardware, operating systems, and software. + Perform software upgrades, patching, and… more
    RTX Corporation (11/19/25)
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  • Windows/ Principal Windows Systems…

    Northrop Grumman (Redondo Beach, CA)
    …Northrop Grumman Classified Solutions team is seeking an experienced Windows Systems Administrator to join its dynamic team of technical professionals; the qualified ... work being performed, this position does not offer any virtual or telecommute working options. Applicants are encouraged to...and zero client management servers. + Manage Windows Deployment Server (WDS), create and harden WDS gold images, and… more
    Northrop Grumman (12/02/25)
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  • Principal System Administrator

    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, ... and Red Hat Enterprise Linux environment. + Understanding and knowledge of Windows Server to include but not limited to Active Directory, Group Policy, & DNS.… more
    RTX Corporation (12/09/25)
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  • Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …and configuration. Design, develop and deploy Red Hat Podman containers. Experience with Server , Windows Server internals or Linux fundamentals to include DNS, ... DHCP, AD, RAID, backup and server replication methods. Install and configure software applications requested...desktops (Windows 10, 11), Splunk and ESX and/or other virtual computing methods. Direct working experience with NISPOM, JAFAN,… more
    RTX Corporation (10/21/25)
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  • Senior Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …world. **What You Will Do** + We are seeking an experienced Linux Administrator that will be working in a highly collaborative, multi-platform and multi-disciplined ... for classified programs. Duties include, but are not limited to, server management (software and hardware); storage management (logical and physical); cross… more
    RTX Corporation (09/26/25)
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  • Principal Systems Administrator 4…

    Oracle (Oklahoma City, OK)
    …center with the focus on excellence. Oracle's Federal Operations Principal Production Service System Administrators provide system implementation, support, ... manner, preventing client impact and performance degradation. + Deploy physical and virtual servers. + Complete assigned incident management tasks. + Deploy, set up,… more
    Oracle (11/25/25)
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  • Linux / AWS Systems Administrator 3/4…

    Northrop Grumman (Morrisville, NC)
    …Grumman Classified Solutions team is seeking an experienced **Linux Systems Administrator ** to join its dynamic team of technical professionals. The qualified ... to work on-site, full-time, at our facility/campus. This is not a virtual position._ Develops computer systems specifications that address business requirements and… more
    Northrop Grumman (11/15/25)
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  • Omnissa Horizon and Citrix Systems…

    BAE Systems (Westminster, CO)
    …is real We Protect Those That Protect Us. We are seeking a Principal Systems Administrator with extensive experience designing, securing and maintaining Omnissa ... Horizon remote access, application delivery, and virtual desktop environments to join our VDI team. The...The successful candidate will also have experience with Windows Server and Windows Server technologies. Knowledge of… more
    BAE Systems (12/09/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …+ Knowledge of the principles, methods, and techniques used in physical and virtual server administration and engineering + Advanced knowledge of and ability ... well as the design, implementation, documentation, and troubleshooting of the enterprise server environment. The Principal Systems Engineer must have the ability… more
    Saliense Consulting (12/05/25)
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  • Principal Computer Systems Analyst

    Northrop Grumman (Hollywood, MD)
    …Grumman Classified Solutions team is seeking an experienced **Windows Systems Administrator ** to join its dynamic team of technical professionals. **The qualified ... work being performed, this position does not offer any virtual or telecommute working options. Applicants are encouraged to...to the following: + Perform as a Windows System Administrator for a classified government contract. + Able to… more
    Northrop Grumman (12/09/25)
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  • Pr./System Admin - Shift Work (Top Secret)

    Northrop Grumman (Chantilly, VA)
    …history, they're making history. We have an opening for a **Tier 2/3 System Administrator ** to join our team of qualified, diverse individuals in the Tactical Space ... end users, and customers. + Install, configure, and perform maintenance of virtual environments to include virtualized servers and VDI Desktops utilizing PCoIP. +… more
    Northrop Grumman (11/25/25)
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  • Tier 3 Engineer

    Proven IT (Tinley Park, IL)
    …Apply Job Type Full-time Description The Tier III Engineer is responsible for server , network, application, and virtual CIO support related to technical ... support, installation, and troubleshooting of backup software, cloud technology, server infrastructure, domain hosting, visualization software, migrations, wireless access… more
    Proven IT (11/19/25)
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