• Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    Systems Administrator The Opportunity: In this role, you'll design, operate, and evolve the systems that power national-security missions. From enterprise ... Linux environments such as RHEL or Ubuntu supporting production and mission systems . + Administer and optimize virtualization platforms such as VMware vSphere,… more
    BOOZ, ALLEN & HAMILTON, INC. (11/24/25)
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  • System Administrator 3

    DCCA (Annapolis Junction, MD)
    System Administrator 3 Location Annapolis Junction, MD Job Code 2127 # of Openings 1 Apply Now ... and a competitive compensation and benefits package. Visit our website at: www.dcca.com System Administrator 3 Candidate must have an active TS/SCI w/ Poly For… more
    DCCA (11/17/25)
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  • Network Administrator

    Robert Half Technology (St. Louis, MO)
    Description Position Summary The Network Administrator is responsible for the design, implementation, and maintenance of the organization's network ... & Compliance + Implement and manage firewalls, intrusion detection systems , and VPNs. + Monitor network traffic...Science, or related field (or equivalent experience). + Experience: 3 + years of experience in network administration… more
    Robert Half Technology (12/03/25)
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  • Systems Administrator

    CACI International (Fort Meade, MD)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... * **The Opportunity:** Join our dynamic team as a Systems Administrator , where you will play a...you will play a crucial role in supporting Active Network Defense (AND), Computer Network Defense (CND),… more
    CACI International (12/11/25)
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  • Systems Administrator IV - Pipeline…

    COMSO, Inc (San Antonio, TX)
    Systems Administrator IV - PIPELINE (TS/SCI w/ POLYGRAPH) San Antonio, TX (http://maps.google.com/maps?q=San+Antonio+TX+USA+78251) Description COMSO, Inc. is a ... systems enhancements to improve reliability and performance. The Level 4 Systems Administrator shall possess the following capabilities: + Provide support… more
    COMSO, Inc (12/02/25)
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  • Senior Systems Administrator (Linux)

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network . The position will support our ... Senior Systems Administrator (Linux) Location HI -...and Pololei Solutions, LLC. Alaka`ina Foundation activities under the 501(c) 3 principally benefit the youth of Hawaii through charitable… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • FSL Linux Systems Administrator

    Mb Solutions, Inc. (Houston, TX)
    Houston, TX, USA | Full Time FSL Linux Systems Administrator - ( ADV000ABM ) Are you passionate about human space exploration, understanding the origins of the ... We have an exciting opportunity for a FSL Linux Systems Administrator to join the team with...currently comprised of over 900 machines, 25,000 cores and 3 PB of storage, which serve over 600 users.… more
    Mb Solutions, Inc. (10/18/25)
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  • SIGINT Systems Administrator

    CACI International (Beale AFB, CA)
    SIGINT Systems Administrator - Sensor Resource Manager Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI ... Type of Travel: None * * * **The Opportunity:** **CACI is seeking a SIGINT Systems Administrator and Sensor Resource Manager Subject Matter Expert (SME) to join… more
    CACI International (10/07/25)
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  • Systems Administrator (TS Clearance)…

    EchoStar (Germantown, MD)
    …Proficient knowledge of various computer operating systems , hardware, software, and network data flows as an administrator + Experience configuring logging ... has an exciting opportunity for a **Contract -** **System Administrator ** with **TOP SECRET** clearance in our Defense and... Systems Division Information Assurance Team of Hughes Network Systems . The opportunity is located within… more
    EchoStar (11/11/25)
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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: Regular ... * **The Opportunity:** Join our dynamic team as a Systems Administrator , where you will play a...you will play a crucial role in supporting Active Network Defense (AND), Computer Network Defense (CND),… more
    CACI International (09/27/25)
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