• Principal System Administrator

    Themis Insight (Fort Meade, MD)
    …Civilian and Military expertise to every case. We are hiring a Principal System Administrator ( Linux ) to work in Ft. Meade, MD vicinity. Position location is ... needs. Required: TS/SCI with a Polygraph Core Responsibilities: + Administer and harden Linux environments across security domains + Write Bash scripts to… more
    Themis Insight (07/26/25)
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  • Senior System Administrator ( Linux

    TISTA Science and Technology (Austin, TX)
    …services line and technology leads on assigned tasks, actions supporting Linux /Unix Divisional Operations using automation tools, provisioning, virtualization, ... Overview TISTA is looking for a Senior Systems Administrator to manage teams, prioritize work, and handle...and oversee provisioning, configuration management, and system monitoring on Linux systems and servers. You'll also assist with the… more
    TISTA Science and Technology (05/29/25)
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  • Principal Linux Systems…

    Leidos (Columbia, MD)
    …has a new and exciting opportunity for a **Principal Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...National** ** Security !** Join our team as a ** Linux Systems Administrator ** , where you'll provide… more
    Leidos (08/08/25)
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  • Principal Linux Systems…

    Leidos (Annapolis Junction, MD)
    …has a new and exciting opportunity for a Principal Linux Systems Administrator in our **National Security Sector's (NSS) Cyber & Analytics Business Area ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission...Security !** **Job Summary:** Leidos is seeking a Principal Linux Systems Administrator with demonstrated experience supporting… more
    Leidos (07/31/25)
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  • Top Secret Linux System…

    Insight Global (Boulder, CO)
    Job Description A company in the Boulder, CO areas is looking for a qualified Linux System Administrator with a Top Secret clearance to join their team ... supporting a DoD program. The System Administrator will work to maintain multi-user computer systems, including coordination with network administrators to maintain… more
    Insight Global (08/09/25)
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  • Linux System Administrator

    Binghamton University (Binghamton, NY)
    …Lead Programmer Analyst (SL-3) Salary: Commensurate with qualifications and experience The Linux Systems Administrator is a technical team member responsible for ... Services Department. Reporting to the Associate Director of Enterprise Systems, the Linux Systems Administrator position serves as a technical resource, working… more
    Binghamton University (07/23/25)
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  • Linux System Administrator

    Leidos (Alexandria, VA)
    **Description** Leidos is seeking a System Administrator to support a large enterprise IT contract for the DOD. This role requires an individual that has technical ... experience with administering Linux and Windows servers within a VMware virtual environment. This individual should be detail oriented in order to capture customer… more
    Leidos (06/06/25)
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  • Linux / Unix Systems Administrator

    Lockheed Martin (Sunnyvale, CA)
    …570 facilities that span more than 70 countries\. This Lockheed Martin Enterprise Operations \(EO\) position will support National Security Space programs in ... Sunnyvale, CA\. **Your Mission:** As a Linux Information Systems Administrator , your responsibilities will...remediate vulnerabilities, and perform system hardening to ensure the security of our systems\. * Root Cause Analysis: Perform… more
    Lockheed Martin (07/12/25)
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  • Linux Systems Administrator

    SAIC (Aberdeen, MD)
    **Description** SAIC is seeking a proven ** Linux Systems Administrator ** to join the **Army Research Laboratory (ARL) Information Technology (IT) Modernization** ... to work on innovative projects that contribute to national security . **This position is contingent upon contract award expected...and cutting edge R&D for the US Army. Our Linux System Administrator will be responsible for… more
    SAIC (08/07/25)
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  • Senior Linux System Administrator

    GovCIO (Des Moines, IA)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This ... Ruby, Python - appropriate use of built-in functions and libraries + Advanced Linux System Administration, Configuration, and System Security + Advanced systems… more
    GovCIO (08/08/25)
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