• 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 & ... difference in National** **Security!** Join our team as a ** Linux Systems Administrator ** , where you'll provide...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd If… more
    Leidos (09/26/25)
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  • Senior Linux System…

    Parsons Corporation (Aberdeen, MD)
    …+ Linux + certification (or equivalent) + Security+ certification (or equivalent) + Top Secret clearance **Security Clearance Requirement:** An active Top ... **Job Description:** _Parsons is looking for an amazingly talented_ **_Senior Linux Systems Administrator_** _to join our team!_ **_What You'll Be Doing:_**… 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) Cyber & ... program "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam...+ **Security Clearance** : Candidates must possess an active TS /SCI with Polygraph to be considered for this role.… more
    Leidos (10/09/25)
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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 ... Administration experience. + Must be proficient with troubleshooting in a Linux environment. **Security Clearance Requirements:** + Current/Active TS /SCI with… more
    ManTech (10/25/25)
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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, ... utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems; install, load, and enhance OS software for… more
    ManTech (10/14/25)
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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...and configures network components. **Requirements:** * Must have active Top - Secret clearance with SCI and Poly *… more
    Amentum (11/21/25)
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  • Linux System Administrator

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    Top Secret Clearance. + Non-remote (relocation incentive available) Our Linux System Administrator ( Senior -Level) will be responsible for the ... for Services and Development. Link Solutions is seeking a Linux System Administrator ( Senior -Level) to...a US Citizen. + Must have an active DoD Top Secret Clearance. + Must have an… more
    Link Solutions Inc (10/08/25)
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  • 337 - Senior Linux Systems…

    ARSIEM (Annapolis Junction, MD)
    …every client you work with. ARSIEM is looking for a motivated and experienced Linux System Administrator for a small, diverse team that provides end-to-end ... Original Posting Date: 2025-10-29 Clearance Requirement: This position requires an active TS /SCI with a polygraph. You must be a US Citizen for consideration.… more
    ARSIEM (10/30/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    …Type of Travel: Local * * * **The Opportunity:** CACI is seeking a ** Senior Linux Systems Administrator ** to provide support for implementation, ... Senior Systems Administrator Job Category: Information...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (10/30/25)
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  • Sr. Networking System Administrator

    Leidos (Annapolis Junction, MD)
    **Description** **Sr. Networking System Administrator ** **Leidos** has a new and exciting opportunity for a **Networking System Administrator - Windows** in our ... and will respond to hardware and software incidents and work with senior system administrators, at times remotely from other locations. Other responsibilities… more
    Leidos (11/05/25)
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