• Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    … Linux System Administrator is responsible for leading system administration activities. This position oversees the installation, configuration, maintenance, and ... Senior Linux System Administrator Clearance Required: Top Secret or...improve performance and reliability. Key Responsibilities: + Lead system administration activities across ARLEN and CARLEN networks. + Assign… more
    Black Bear Technology Solutions, LLC (05/24/25)
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  • Senior Linux System Administrator

    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 support ... day-to-day operations and monitoring, and resolve issues related to client/ server /storage/network devices and mobile systems. + Escalate and communicate status… more
    ManTech (07/26/25)
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  • Secret Linux System Administrator

    Insight Global (Linthicum Heights, MD)
    …follow and stay up to date with proper security compliance, provide server administration , backups, imaging, encryptions, and application support. The current ... Description Insight Global is looking for a Secret cleared Linux System Administrator to sit fully on site in...environment is a mix between Linux and Windows, totaling a team of 9 admins.… more
    Insight Global (08/02/25)
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  • Principal Test Engineer

    Leidos (Bethesda, MD)
    …Polygraph** **Preferred Qualifications:** + Experience with administration of MS Windows Server or Linux environments (Lab or Personal development space) + ... Experience reviewing output of CI jobs and capable of tracking test failures back to code changes that resulted in bugs + Capable of review code check-ins to understand the impact of code changes on system functionality and potential applications bugs + Direct… more
    Leidos (08/02/25)
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  • Test Engineer SME

    Leidos (Bethesda, MD)
    …**Preferred Qualifications** + Experience with administration of MS Windows Server or Linux environments (Lab or Personal development space) + ... Experience reviewing output of CI jobs and capable of tracking test failures back to code changes that resulted in bugs + Capable of review code check-ins to understand the impact of code changes on system functionality and potential applications bugs. +… more
    Leidos (08/01/25)
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  • Computer System Administrators Careers - Baltimore

    Northrop Grumman (Linthicum Heights, MD)
    …in a secure environment + Must have experience with either Windows (desktop and server ), Linux (Red Hat or HPC), VMWare, Storage Systems (SAN, NAS, DAS) ... customer and IT management. + Support multiple networks while ensuring necessary administration tasks are completed and directing others as necessary. + Analyze… more
    Northrop Grumman (07/15/25)
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  • Sr. Unix/ Linux Engineer - TS/SCI with FS…

    Optiv (Columbia, MD)
    …degrees and/or equivalent experience and 8 years of work experience with UNIX/ LINUX administration . + Experience with Privileged Access Management (PAM) ... with the government COR and Directory Services organization to ensure Delinea (Centrify) Server Suite best practices are adhered to. + Establish and maintain the… more
    Optiv (06/07/25)
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  • Senior Systems Administrator ( Linux…

    GovCIO (Annapolis, MD)
    **Overview** GovCIO is hiring for a Senior Systems Administrator ( Linux and Windows) to provide on-going support for the administration of the core system ... Writes or modifies basic scripts to resolve performance problems and automate administration tasks + Recommend changes to improve systems and network configurations,… more
    GovCIO (07/09/25)
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  • Enterprise Cross Domain Engineer

    Acclaim Technical Services (Bethesda, MD)
    …troubleshooting. Required Technical Skills: Proficient in Linux /Unix systems administration ; Extensive knowledge of physical server management and ... based on Scientific Linux and Red Hat Linux . + Maintain, troubleshoot, and upgrade server ...Hat Linux . + Maintain, troubleshoot, and upgrade server hardware to ensure operational efficiency. + Collaborate with… more
    Acclaim Technical Services (06/20/25)
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  • Senior Windows Server Systems Administrator

    Leidos (Bethesda, MD)
    …+ Experience with hardening Windows environments + Significant experience with system administration of server operating systems such as Microsoft Server ... where you can thrive, keep reading!** Leidos is seeking a Senior Windows Server Systems Administrator to support the National Media Exploitation Center (NMEC). This… more
    Leidos (07/24/25)
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