• Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux ... oversees the installation, configuration, maintenance, and integrity of computing systems and software. The role involves planning, ensuring long-term system… more
    Black Bear Technology Solutions, LLC (08/23/25)
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  • Linux System Administrator…

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Linux System Administrator (Senior-Level) to join our team at Aberdeen Proving ... active DoD Top Secret Clearance. + Non-remote (relocation incentive available) Our Linux System Administrator (Senior-Level) will be responsible for the… more
    Link Solutions Inc (09/18/25)
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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 ... systems . Perform Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis, and resolution. + Support...system capacity analysis and planning. + Configure and manage Linux operating systems ; install and maintain OS… more
    ManTech (09/20/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    …at Tier 1 and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system operations and perform ... MANTECH seeks a motivated and customer-focused ** Linux ** **System Administrator ** to join our...certification + Experience with troubleshooting and maintaining enterprise IT systems + Experience managing and optimizing UNIX/ Linux … more
    ManTech (08/08/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    …at Tier 1 and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system operations and perform ... ManTech is seeking a ** Linux ** **System Administrator ** to join our...required + Experience with troubleshooting and maintaining enterprise IT systems + Experience managing and optimizing UNIX/ Linux … more
    ManTech (08/08/25)
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  • Senior Linux System Administrator

    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, ... devices. + Perform Tier 1 (Help Desk) and Tier 2 (Escalation) support: problem identification, diagnosis, and resolution. +...capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load,… more
    ManTech (07/15/25)
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  • Sr. Principal Linux System…

    RTX Corporation (Aurora, CO)
    …a Raytheon program in a classified environment as a Senior Principal Linux System Administrator . + Responsibilities include building, maintaining, and securing ... cyber security certification, qualified for DoD 8570 IAT Level 2 on start date. IAT Level 2 ...SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux (RHEL) based systems + Experience using… more
    RTX Corporation (07/19/25)
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  • Linux System Administrator with Poly

    Parsons Corporation (Centreville, VA)
    …of deployed systems . This role includes system design, configuration, and debugging of Linux systems . Note: this is a full time in-office role. **What You'll ... you're looking for. **Job Description:** Our Special Programs and Systems team is hiring Linux System Administrators...Engineering, Network Engineering, Software Engineering, or Electrical Engineering and 2 years of experience + Must be a US… more
    Parsons Corporation (08/23/25)
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  • Linux System Administrators Careers

    Northrop Grumman (Linthicum Heights, MD)
    …role. It is for you to speak with a Talent Advisor here at Northrop Grumman.** ** Linux Systems Administrator ** : + Manage and maintain secure operation of ... and applications for several program or project areas. **Principal Linux Systems Administrator ** + Serve...4 years of experience, or a Bachelor's degree with 2 years of experience; a High School diploma or… more
    Northrop Grumman (09/14/25)
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  • Systems Administrator (Tier 2…

    Chenega Corporation (Washington, DC)
    Systems Administrator (Tier 2 Support - ServiceNow) Washington, DC Join our Talent Network Systems Administrator (Tier 2 Support - ServiceNow) ... level! Chenega Agile Realtime Solutions (CARS) is seeking a Systems Administrator (Tier 2 Support...support in an enterprise environment. + Strong understanding of Windows/ Linux operating systems and troubleshooting methodologies. +… more
    Chenega Corporation (09/12/25)
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