• Senior Linux Systems

    Leidos (Camp Springs, MD)
    …ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator , you'll be instrumental in designing, implementing, and ... Security Certified Practitioner (SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator more
    Leidos (12/20/25)
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  • Senior Linux System

    Belay Technologies (Annapolis Junction, MD)
    …Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Linux System Administrator (SA). The SA provides support for ... Must have experience in or familiarity with the following systems : Windows/ Linux operating systems , VMware,...duty, on an on-call basis. + The Level 3 System Administrator shall possess the following capabilities:… more
    Belay Technologies (01/04/26)
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  • Senior Linux System

    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 ... System Administrator is responsible for leading system administration activities. This position oversees the installation, configuration, maintenance, and… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Senior Linux System

    Parsons Corporation (Aberdeen, MD)
    …possible. **Job Description:** _Parsons is looking for an amazingly talented_ **_Senior Linux Systems Administrator_** _to join our team!_ **_What You'll Be ... Doing:_** + _Support the system administration for ARL high performance computers_ + _Support...Required Skills You'll Bring:_** + _Extensive background in diverse Linux operating systems and high performance computing_… more
    Parsons Corporation (11/15/25)
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  • Senior Linux Systems

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) ... more about how this program "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides… more
    Leidos (01/08/26)
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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, ... troubleshooting, and maintenance of IT systems , as well as manage IT system ...and system planning. + Configure and manage Linux and Windows operating systems ; install, load,… more
    ManTech (12/24/25)
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  • Linux Administrator , Senior

    Amentum (Baltimore, MD)
    …continuously trying to stay ahead of the next challenge. **Responsibilities:** This Senior Linux administrator position will provide candidates with ... If so, look no further. Amentum is seeking a ** Linux Administrator , Senior ** to join...resolution process. Configures and manages Linux operating systems and installs/loads operating system software, troubleshoots,… more
    Amentum (01/06/26)
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  • Linux Administrator , Senior

    Amentum (Hanover, MD)
    …continuously trying to stay ahead of the next challenge. **Responsibilities:** This Senior Linux administrator position will provide candidates with ... If so, look no further. Amentum is seeking a ** Linux Administrator , Senior ** to join...resolution process. Configures and manages Linux operating systems and installs/loads operating system software, troubleshoots,… more
    Amentum (11/21/25)
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  • Senior Linux System

    GovCIO (Annapolis, MD)
    …Submit a referral to this job (https://careers-govcio.icims.com/jobs/6348/ senior - linux - system - administrator ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with... Linux System Administration, Configuration, and System Security + Advanced systems troubleshooting skills… more
    GovCIO (11/07/25)
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  • Linux System Administrator

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …and appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Linux System Administrator ( Senior -Level) to join our team at ... have an active DoD Top Secret Clearance. + Non-remote (relocation incentive available) Our Linux System Administrator ( Senior -Level) will be responsible… more
    Link Solutions Inc (01/06/26)
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