• Linux System Administrator

    ManTech (Laurel, MD)
    …from an accredited college or university with 12 years of experience as a Systems Administrator supporting programs and contracts of similar scope, type, and ... Q** **ualifications:** + Experience/familiarization with full lifecycle management of Linux systems , to include provisioning, configuration management and… more
    ManTech (12/04/25)
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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 ... software, systems , and network engineering services to support Integrated Discovery...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 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, ... resource utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load, and enhance OS… more
    ManTech (12/24/25)
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  • Linux System Administrator

    Belay Technologies (Fort Meade, MD)
    …documentation. Candidates should have the following qualifications: + TS/SCI Clearance with polygraph + 3+ years of System Administrator experience + Bachelor's ... finalist in 2021! Belay Technologies is seeking a System Administrator to join our intel team. This position is...with: + Configuration and Maintenance of Virtual Machines + Linux operating systems + Scripting languages (eg… more
    Belay Technologies (12/12/25)
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  • Systems Administrator

    CACI International (Fort Meade, MD)
    …and availability of customer systems . We are looking for a dedicated Linux System Administrator to help us ensure information security readiness and maintain ... Systems Administrator Job Category: Information Technology...hardware. + Document inventory changes. _Required:_ + **TS/SCI with Polygraph ** Proficient with Linux . Minimum of 3… more
    CACI International (12/11/25)
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  • Principal/Sr. Principal Systems

    Northrop Grumman (Patuxent River, MD)
    Systems (NGAS) has an exciting career opportunity for a **Principal/Sr. Principal Systems Administrator ** to join the Ground Segment team of qualified, ... for a classified government contract. + Perform as a Linux \Redhat System Administrator for a classified government...Linux , Cisco). + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (12/12/25)
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  • Systems Administrator

    CACI International (Linthicum, MD)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... * * * **The Opportunity:** CACI is seeking a ** Systems Administrator ** to perform system engineer and...Document inventory changes. _Required Qualifications:_ + **Active TS/SCI with Polygraph ** + Proficient with Linux . Minimum of… more
    CACI International (12/17/25)
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  • Systems Administrator

    CACI International (Linthicum, MD)
    …and availability of customer systems . We are looking for a dedicated Linux System Administrator to help us ensure information security readiness and maintain ... Systems Administrator Job Category: Information Technology...enterprise security tools. **Responsibilities:** _Required:_ + **TS/SCI with Polygraph ** + Stand up, configure, and maintain Linux more
    CACI International (12/27/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    …of Travel: Local * * * **The Opportunity:** CACI is seeking a Senior Linux Systems Administrator to provide support for implementation, troubleshooting and ... Senior Systems Administrator Job Category: Information Technology...in the resolution process + Configure and manage primarily Linux /Unix (or other applicable) operating systems and… more
    CACI International (01/07/26)
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  • Cloud Systems Administrator

    CACI International (Laurel, MD)
    Cloud Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... multiple hosting platforms, including OpenStack, AWS, and VMware, all while supporting Linux VMs. + **Continuous Learning:** Dive deep into VM Management and DevOps,… more
    CACI International (10/16/25)
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