• Sr. Principal HPC System Administrator

    Northrop Grumman (Annapolis Junction, MD)
    …customers' requirements **Preferred Qualifications** + IAT Level II certification + Red Hat Linux systems administration experience + Knowledge and experience ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (08/15/25)
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  • System Administration - Tiered Support

    CACI International (Annapolis Junction, MD)
    …join our team and help maintain, troubleshoot, and optimize a wide variety of IT systems . We are seeking a qualified System Administrator to provide support for ... Configuration and management of UNIX, Linux, and Windows operating systems . + Installation and maintenance of operating system...Environment (CE) Certification (eg, Microsoft OS, Cent OS, Red Hat OS). + 4 years of experience with Service… more
    CACI International (08/21/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    …join our team and help maintain, troubleshoot, and optimize a wide variety of IT systems . We are seeking an accomplished System Administrator - Level 4 to lead ... frameworks and secure enterprise IT environments + Advanced knowledge of systems design, hardware/software integration, and interdependent system relationships +… more
    CACI International (08/01/25)
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  • Systems Administrator III - Pipeline…

    COMSO, Inc (Fort Meade, MD)
    …Provides support for implementation, troubleshooting and maintenance of information Technology (IT) systems . + Manages IT system infrastructure and any processes ... can be fulfilled with either Microsoft OS, Cent OS/Red Hat OS CE certifications. + Six (6) years of...+ Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots,… more
    COMSO, Inc (08/23/25)
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  • System Administrator

    CACI International (Annapolis Junction, MD)
    …join our team and help maintain, troubleshoot, and optimize a wide variety of IT systems . We are seeking a System Administrator (Level 1) to support the ... + Configure and manage UNIX, Linux, and Windows operating systems + Troubleshoot OS software and enhance system...Environment (CE) Certification (eg, Microsoft OS, CentOS, or Red Hat OS) + Other Requirements: + At least two… more
    CACI International (08/01/25)
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  • Senior Systems Engineer

    Leidos (Bethesda, MD)
    …full spectrum of systems engineering tasks to include requirements analysis, feature, system and interface design, system integration, system testing, as ... design, implementation planning, integration and test, sustainment, documentation, deployment, and system assessment + Perform systems engineering tasks within… more
    Leidos (08/23/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    …and reliability standards. + Install, configure, and maintain software and operating systems . + Implement operating system enhancements for improved performance ... experience * Certifications (Required): + CompTIA Security+ CE or CompTIA Server+ CE + Red Hat Certified System Administrator (RHCSA) + MCSA, MAC OS, or MCP +… more
    Black Bear Technology Solutions, LLC (08/23/25)
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  • Systems Administrator I - Pipeline (TS/SCI…

    COMSO, Inc (Fort Meade, MD)
    …Provides support for implementation, troubleshooting and maintenance of information Technology (IT) systems . + Manages IT system infrastructure and any processes ... can be fulfilled with either Microsoft OS, Cent OS/Red Hat OS CE certifications. + Two (2) years of...+ Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots,… more
    COMSO, Inc (06/03/25)
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  • System Administrator IV

    Gama-1 Technologies (Silver Spring, MD)
    … systems , server hardware, and enterprise applications. + Monitor system performance, availability, and security; take proactive measures to address issues ... and ServiceNow. + CompTIA Security+, Microsoft Certified: Windows Server Administrator, Red Hat Certified System Administrator (RHCSA), or equivalent. + Strong… more
    Gama-1 Technologies (08/17/25)
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  • Software Engineer - Air Traffic Control…

    Noblis (Annapolis, MD)
    …architecture + Provide support for a variety of technologies including Windows Operating Systems , Windows OS, Red Hat Linux and VDI (Virtual Desktop Interface). ... innovation, partnering with the FAA to deliver, acquire and manage mission-critical systems that keep America flying safely and efficiently. Our team of experts… more
    Noblis (08/08/25)
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