• Cyber Systems Administrator (Active TS/SCI)

    Northrop Grumman (Elkridge, MD)
    …users by navigating via command line through different variations of Linux Operating Systems to include Ubuntu, Red Hat , PyPi, and CentOS. + Experience ... Must be able to configure and manage Linux and Windows operating systems upon start date, installs/loads operating system software, patches, and configures… more
    Northrop Grumman (10/02/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    …CASP+, CISSP, or equivalent) + Computing Environment (CE) Certification (Microsoft OS, CentOS, or Red Hat OS) + ITIL 4 certification **Preferred Skills:** + Deep ... maintain, troubleshoot, and optimize a wide variety of IT systems . We are seeking an accomplished System ...oversight across a range of IT platforms including UNIX, Linux , and Windows systems . The ideal candidate… more
    CACI International (10/30/25)
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  • Systems Administrator II - Pipeline (TS/SCI…

    COMSO, Inc (Fort Meade, MD)
    …+ Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and ... requirements can be fulfilled with either Microsoft OS, Cent OS/ Red Hat OS CE certifications. + Four... Linux and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot,… more
    COMSO, Inc (10/21/25)
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  • Sr Staff Computer Systems Analyst

    Northrop Grumman (Annapolis Junction, MD)
    …Linux Operating System experience and/or certification for current versions + Red Hat certification for current version + VMWare experience with current ... environment + DoD 8570 Certification in a primary Operating System (Windows, Linux , Cisco) + Experience operating...Linux , Cisco) + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (10/30/25)
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  • Cloud System Administrator

    ERP International (Laurel, MD)
    …candidate should be able to configure, manage/monitor cloud Kubernetes environments running on Red Hat servers. Experience with Azure is a plus. Looking for ... **Overview** ERP is currently seeking a highly skilled **Cloud System Administrator** to support one of our technical projects...one of our technical projects with the Defense Information Systems Agency (DISA). This role will facilitate the semi… more
    ERP International (10/22/25)
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  • System Administration - Tiered Support

    CACI International (Annapolis Junction, MD)
    …+ Configuration and management of UNIX, Linux , and Windows operating systems . + Installation and maintenance of operating system software and security ... maintain, troubleshoot, and optimize a wide variety of IT systems . We are seeking a qualified System ...Computing Environment (CE) Certification (eg, Microsoft OS, Cent OS, Red Hat OS). + 4 years of… more
    CACI International (08/21/25)
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  • Systems Administrator (IT Program Services)

    Nightwing (Annapolis Junction, MD)
    …and experience in Linux Systems Administration using Debian or Red Hat based distributions. Understanding and familiarity with various IT concepts such ... community, defense, civil, and commercial markets. Nightwing is seeking an experienced Linux Systems Administrator with a proven ability supporting classified… more
    Nightwing (09/22/25)
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  • System Administrator

    CACI International (Annapolis Junction, MD)
    …and management + Configure and manage UNIX, Linux , and Windows operating systems + Troubleshoot OS software and enhance system performance and reliability + ... maintain, troubleshoot, and optimize a wide variety of IT systems . We are seeking a System Administrator...Computing Environment (CE) Certification (eg, Microsoft OS, CentOS, or Red Hat OS) + Other Requirements: +… more
    CACI International (10/30/25)
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  • Systems Administrator I - Pipeline (TS/SCI…

    COMSO, Inc (Fort Meade, MD)
    …+ Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and ... requirements can be fulfilled with either Microsoft OS, Cent OS/ Red Hat OS CE certifications. + Two...for implementation, troubleshooting and maintenance of information Technology (IT) systems . + Manages IT system infrastructure and… more
    COMSO, Inc (09/02/25)
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  • Senior Cloud Systems Engineer (Identity…

    St. George Tanaq Corporation (Suitland, MD)
    …Google Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI) Operating Systems : Linux /Unix (Ubuntu, CentOS, Red Hat ) Windows Server administration ... Transit Gateway, Azure ExpressRoute, and software-defined networking (SDN) solutions. + Analyze system requirements and ensure that systems will be securely… more
    St. George Tanaq Corporation (08/19/25)
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