• Mid Level Linux Administrator

    Integration Innovation, Inc. (i3) (Huntsville, AL)
    Overview i3 is seeking a Mid-Level Linux Systems Administrator to support an Army Contract. The Mid-Level Linux Systems Administrator will ... authentication, CAC/smartcard PKI and certificate management in a mixed Windows / Linux environment. + Work with teammates on...DevSecOps CI/CD pipeline operation on OpenShift clusters and other Linux systems . + Deploy and maintain OpenShift… more
    Integration Innovation, Inc. (i3) (10/28/25)
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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 (09/09/25)
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  • Linux System Administrator

    The Boeing Company (Colorado Springs, CO)
    …directly at customer sites. **Position Responsibilities:** + Administer and manage all aspects of Windows and UNIX/ Linux systems + Develop and maintain Red ... Red LAN team is seeking an **Associate or Mid-Level Linux System Administrator ** (Level 2 or 3)...position will be responsible for managing and maintaining various Windows and Unix/ Linux -based operating systems more
    The Boeing Company (11/19/25)
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  • Principal Windows Systems

    Northrop Grumman (Linthicum Heights, MD)
    …of your career. Northrop Grumman Mission Systems is seeking a well-qualified Windows Administrator to join its Classified Solutions team in Linthicum, MD. ... limited to the following: + Perform as a primary Windows /VMware systems administrator for a... 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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  • Sr. Linux Systems

    RTX Corporation (Richardson, TX)
    …supporting a Raytheon program in a classified environment as a **Sr. Linux System Administrator ** . Responsibilities include building, maintaining, and securing ... well as scripting - particularly in Bash and Python + Experience administering Windows based systems + Demonstrated ability to work independently and… more
    RTX Corporation (11/19/25)
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  • (Mid. or Senior) Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …up in 2020 and a finalist in 2021! Belay Technologies is seeking a Network Systems Administrator ( Windows ) to join our team. The selected individual will ... complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows / Linux operating systems , VMware, etc.). + Must have experience… more
    Belay Technologies (10/01/25)
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  • Linux Systems Administrator

    ManTech (Laurel, MD)
    **MANTECH** seeks a motivated, career and customer-oriented ** Linux ** **System Administrator ** to join our team in **Laurel, MD** at Emerson 8. ... the DoD Certification/ Accreditation process + Ability to install Windows software and hardware applications; upgrade systems ...required. + Must be proficient with troubleshooting in a Linux Red Hat environment + IAT II certification (DOD… more
    ManTech (11/26/25)
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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 ... You Will Do** + We are seeking an experienced Linux Administrator that will be working in... systems hardware and software related to a Linux / Windows infrastructure for classified programs. Duties include,… more
    RTX Corporation (09/26/25)
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  • Systems Administrator II…

    TEKsystems (Corona, CA)
    …Servers (emphasis on Windows server 2016 and newer) and 120 SUSE Linux (SLES 12 and SLES 15) including patching, monitoring server performance and service ... Experience Desired: - More than 5 years of experience in managing and troubleshooting Linux operating systems , especially SUSE Linux . - Computer Skills… more
    TEKsystems (11/16/25)
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  • System Administrator - Linux

    The Metamorphosis Group (Chantilly, VA)
    System Administrator - LINUX - TS/SCI FSP REQUIRED Chantilly, VA Apply Now Job Description The Metamorphosis Group, Inc, TMG, has an immediate opening for a ... Linux System Administrator , who shall be responsible...within the organization. MANDATORY SKILLS 1. Demonstrated experience with Windows domain setup, group policy, and user account administration.… more
    The Metamorphosis Group (09/10/25)
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