• 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 (11/05/25)
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  • Systems Administrator Intermediate…

    General Dynamics Information Technology (Livermore, CA)
    …$10K Sign-on bonus **Job Summary:** We are seeking a highly skilled Systems Administrator Intermediate Principal with a focus on Linux. The role involves ... None **Job Family:** IT Infrastructure and Operations **Skills:** Linux,Microsoft Server Operating Systems,Microsoft Windows Environment **Certifications:** Security+, CE -… more
    General Dynamics Information Technology (11/04/25)
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  • Sr Principal Windows Systems…

    Northrop Grumman (Dulles, VA)
    …Chief Information and Digital Office (CIDO) organization is seeking an experienced **Sr 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...to the following:** + Perform as a Windows System Administrator for a classified government contract. + Able to… more
    Northrop Grumman (10/31/25)
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  • Systems Administrator Principal

    General Dynamics Information Technology (Fort Belvoir, VA)
    …**Skills:** Computer Backups,Information Technology (IT) Systems,Microsoft Windows Server ,System Administration **Certifications:** CompTIA Security+ CE | CompTIA ... Required:** Yes **Job Description:** Transform technology into opportunity as a Systems Administrator Advisor with GDIT. A career in enterprise IT means connecting… more
    General Dynamics Information Technology (09/30/25)
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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 (08/20/25)
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  • Principal Storage Administrator

    RTX Corporation (Mckinney, TX)
    …manner + Collaborate with teams and mentor junior admins. + Experience with Windows Server internals to include DNS, DHCP, AD, and server replication methods. + ... for classified programs. Duties include, but are not limited to, server management (software and hardware); storage management (logical and physical); cross… more
    RTX Corporation (10/15/25)
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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 (11/11/25)
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  • Principal System Administrator

    RTX Corporation (Tucson, AZ)
    …integrity of our systems and support IT infrastructures around the world. ** Principal System Administrators** **,** internally known as Principal Analyst, ... Windows and Redhat Enterprise Linux environment. + Understanding and knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and … more
    RTX Corporation (10/29/25)
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  • Principal System Administrator

    RTX Corporation (Tucson, AZ)
    …of our systems and support RTX's IT infrastructure around the world. ** Principal System Administrators,** internally known as Principal Analyst, infrastructure ... Windows and Redhat Enterprise Linux environment. + Understanding and knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and … more
    RTX Corporation (10/22/25)
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  • Sr Principal HPC Linux Systems…

    Northrop Grumman (Redondo Beach, CA)
    …Northrop Grumman Classified Solutions team is seeking a senior **Linux 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...would be nice to have + 10 years of Server Administration to include Active Directory and Group Policy… more
    Northrop Grumman (09/11/25)
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  • Senior Principal Windows System…

    RTX Corporation (El Segundo, CA)
    …mentor + Oversee administrators whose duties may include setting up administrator and service accounts, maintaining system documentation, tuning system performance, ... for a security clearance. + Experience administering Active Directory, Microsoft Server , WSUS, Server Virtualization (Hyper-V, VMware), Group Policy, Backup… more
    RTX Corporation (10/24/25)
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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 Windows System…

    RTX Corporation (El Segundo, CA)
    …Microsoft Windows and RedHat Enterprise Linux environment. + Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and ... server replication methods. + Working as a team member...Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods. + Experience supporting engineers in software,… more
    RTX Corporation (10/21/25)
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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 (10/01/25)
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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 (09/09/25)
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  • Senior Linux Systems Administrator

    General Dynamics Information Technology (Macdill AFB, FL)
    …:** Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator Principal must have: + Certification: Applicable DoD 8140 or DoD ... your career. Join GDIT as a **Senior Linux Systems Administrator ** and build an impactful career in enterprise IT,...Oversee the deployment, configuration, and maintenance of Linux servers, virtual machines, and networking devices. + Play a key… more
    General Dynamics Information Technology (09/26/25)
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  • Engineer Systems/ Principal Engineer…

    Northrop Grumman (San Diego, CA)
    …Northrop Grumman Aeronautics Systems has an opening for a **Systems Engineer/ Principal Systems Engineer** to join our team of qualified, diverse individuals located ... Monitor systems, validate the integrity and accessibility of all server resources, hardware, systems, and key processes. + Carry...to travel up to 25%. **Basic Qualifications for a Principal Systems Engineer:** + Bachelor's Degree (STEM) with 5… more
    Northrop Grumman (08/15/25)
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  • Sr Principal Computer Systems Analyst

    Northrop Grumman (Los Angeles, CA)
    …Information and Digital Office (CIDO) organization is seeking a highly experienced **Senior Principal Windows Systems Administrator ** to join its dynamic team of ... at our Northridge, California 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 (11/11/25)
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  • Pr./System Admin - Shift Work (Top Secret) - Space…

    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 (11/07/25)
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