• Senior Linux Systems

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber & ... managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity, and enhancing system performance. Additionally, you'll support… more
    Leidos (09/26/25)
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  • Senior Linux System

    Leidos (Alexandria, VA)
    …Test and Training Enabling Architecture (TENA) program at Leidos is looking to add a ** Senior Linux System Administrator** . Our mission is to develop tools ... **Basic Qualifications:** + 12+ years of relevant experience doing system administration on Linux servers, networking equipment...experience providing System Administration to DoD IT systems + IAT Level I: A+, CCNA-Security, Network more
    Leidos (09/26/25)
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  • Senior Linux Systems

    The Boeing Company (Hazelwood, MO)
    …The Boeing Company's Specialized United States Infrastructure organization is currently seeking a ** Senior Linux Systems Administrator** to join the team in ... (Desired Skills/Experience):** + 5+ years of experience with RedHat-based systems (RHEL, Oracle Linux , Fedora) and SUSE... system and installation issues, and administering user system access to meet network security requirements… more
    The Boeing Company (09/21/25)
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  • Linux System Administrator-…

    Nightwing (Sterling, VA)
    …availability of IT systems + Coordinate and manage IT projects, including system upgrades, and network improvements ensuring projects are delivered on time + ... + 5+ years of experience in IT, cybersecurity, and/or network / systems administration + Proficiency experience with Red...requirements + Experience with administering and managing user and system accounts on Linux distributions + Ability… more
    Nightwing (09/26/25)
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  • Senior Linux System

    ManTech (Fort Meade, MD)
    ManTech seeks a ** Senior Linux System Administrator** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, ... maintenance of IT systems . + Manage IT system infrastructure and processes related to client/server/storage/ network ...and system planning. + Configure and manage Linux and Windows operating systems ; install, load,… more
    ManTech (07/15/25)
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  • Senior Linux System

    ManTech (Fort Meade, MD)
    Mantech seeks a motivated, career and customer-oriented ** Senior Linux System Administrator** to join our team in **Ft. Meade, MD** . In this role, you will ... capacity analysis and planning. + Configure and manage Linux operating systems ; install and maintain OS software; implement system enhancements to improve… more
    ManTech (09/20/25)
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  • Senior Linux /Unix Systems

    SMX (Dahlgren, VA)
    Senior Linux /Unix Systems Administrator (4419)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated ... Senior Linux /Unix Administrator to join our team...Warfare Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work as part… more
    SMX (09/03/25)
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  • Senior Linux System

    Mission Support and Test Services (North Las Vegas, NV)
    …is looking for a high-performing individual to join our team as a Linux Systems Administrator ( Senior Infrastructure Analyst). **Key Responsibilities** + ... and resolve complex technical issues related to Linux servers, network infrastructure, and virtualization environments. + Document system configurations,… more
    Mission Support and Test Services (07/23/25)
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  • Senior Linux Administrator-Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …WILL MAKE AN IMPACT:** + Provide system administration support for Linux operating systems including installing software, applying patches, managing file ... and usage charts, including CPU usage, disk usage and network uptime for the Linux Servers. +...(Bash, Ruby, Python, Perl, etc.) + General understanding of Linux internals ( system calls, file systems more
    General Dynamics Information Technology (08/22/25)
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  • Senior Specialist, Systems

    L3Harris (Melbourne, FL)
    …professional to join the Managed Operational Support Services (OSS) team as a Linux System Administrator (Sys Admin). Responsibilities for this position include ... domains in the interest of national security. Job Title: Senior Specialist, Systems Administration Job Code: 28994...the virtual environments (VM) and installing and configuring the Linux based Red Hat Operating System . The… more
    L3Harris (09/25/25)
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