• Principal System Administrator

    DCCA (Annapolis Junction, MD)
    Principal System Administrator Location Annapolis Junction, MD Job Code 2270 # of Openings 1 Apply Now ... and benefits package. Visit our website at: www.dcca.com Principal System Administrator Candidate must have an active...candidate for this position must have experience in Linux ( Red Hat ), Saison, and Ansible. Proficient in… more
    DCCA (08/18/25)
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  • System Administrator

    CACI International (Annapolis Junction, MD)
    …and optimize a wide variety of IT systems . We are seeking a System Administrator (Level 1) to support the implementation, troubleshooting, and maintenance of ... System Administrator Job Category: Information Technology...Computing Environment (CE) Certification (eg, Microsoft OS, CentOS, or Red Hat OS) + Other Requirements: +… more
    CACI International (08/01/25)
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  • System Administrator

    CACI International (Annapolis Junction, MD)
    …optimize a wide variety of IT systems . We are hiring a seasoned System Administrator - Level 3 to provide advanced technical leadership and hands-on support ... System Administrator Job Category: Information Technology...or equivalent) + Computing Environment (CE) Certification (Microsoft OS, Red Hat /CentOS, or equivalent) + ITIL 4… more
    CACI International (08/01/25)
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  • Sr. Principal HPC System

    Northrop Grumman (Annapolis Junction, MD)
    …clearance per customers' requirements **Preferred Qualifications** + IAT Level II certification + Red Hat Linux systems administration experience + Knowledge ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...(NGMS) is seeking a **Principal or Sr. Principal HPC System Administrator ** . This position is located… more
    Northrop Grumman (08/15/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    …optimize a wide variety of IT systems . We are seeking an accomplished System Administrator - Level 4 to lead and support complex enterprise IT environments, ... Senior System Administrator Job Category: Information Technology...+ Computing Environment (CE) Certification (Microsoft OS, CentOS, or Red Hat OS) + ITIL 4 certification… more
    CACI International (08/01/25)
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  • Lead System Administrator

    CACI International (Aberdeen Proving Ground, MD)
    Lead System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular ... ​ **The Opportunity:** Support the DoD as the Lead System Administrator to an Army Task Order...to work on Active Directory, Windows Servers, VMware vSphere, Red Hat Linux, and a variety of… more
    CACI International (08/26/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    …Linux systems , to include provisioning, configuration management and patching. + Red Hat Certified System Administration Certification. + Experience with ... **Mantech** seeks a motivated, career and customer-oriented **Linux** ** System Administrator ** to join our team...+ Must be proficient with troubleshooting in a Linux Red Hat environment. + Experience with VMWare… more
    ManTech (07/23/25)
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  • Senior Systems Administrator

    Huntington Ingalls Industries (Hanover, MD)
    …active US level Secret clearance + Demonstrated expertise in Red Hat Enterprise Linux (RHEL), including system installation, configuration, patch management, ... of HII, is seeking a highly motivated and experienced System Administrator to join our Minotaur team...relevant experience. + Strong proficiency in Linux administration (eg Red Hat , CentOS, Ubuntu) + Experience with… more
    Huntington Ingalls Industries (08/27/25)
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  • System Administrator Level 3

    Jovian Concepts, Inc. (Annapolis Junction, MD)
    Jovian Concepts, Inc is looking to hire a System Administrator Level 3 for a great opportunity in the Annapolis Junction area. This role requires a TS/SCI ... Administration support for the program. Required: Very strong Linux ( Red Hat /Rocky, CentOS) and Latte \u2018Art for...HCI, Scale Computing Platform (SC Platform) The Level 3 System Administrator (SA) shall possess the following… more
    Jovian Concepts, Inc. (06/26/25)
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  • Systems Administrator III - Pipeline…

    COMSO, Inc (Fort Meade, MD)
    Systems Administrator III - PIPELINE (TS/SCI w/...requirements can be fulfilled with either Microsoft OS, Cent OS/ Red Hat OS CE certifications. + Six (6) ... systems enhancements to improve reliability and performance. The Level 3 Systems Administrator shall possess the following capabilities: + Provide support… more
    COMSO, Inc (08/23/25)
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