• System Administrator Level 3

    General Dynamics Information Technology (Annapolis Junction, MD)
    …Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and ... SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Linux ,ServiceNow Platform,Unix **Experience:**… more
    General Dynamics Information Technology (05/22/25)
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  • Systems Administrator II

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …Range Facility (PMRF), Kekaha, Hawai'i. Provides Windows and/or Red Hat Enterprise Linux (RHEL) system administration for all Clients and Servers ... supervisor, senior management, and customers + Red Hat Enterprise Linux system administration : expected to...systems and infrastructure + Knowledge of DoD IT systems , to include Windows , RHEL, and comprehensive… more
    Alaka'ina Foundation Family of Companies (07/16/25)
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  • Systems Administrator

    William C Brown Inc (Springfield, VA)
    …devices, and stored data in support of business processing requirements. Job Duties:* Systems administration of desktop and server systems connected to ... Operating System (OS) installation, and other local area system administration related functions.* Provide support for implementation, troubleshooting… more
    William C Brown Inc (07/16/25)
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  • Sr. IT Systems Engineer - Observability…

    Prime Therapeutics (Washington, DC)
    …develop tools for metric collection, analysis, and reporting. + Proactively monitor systems , networks, and applications. + Analyze system performance and ... deliver services in accordance with established objectives. Supervise the administration of systems and servers to ensure...ability to work on various OS platforms including AIX, Linux , Windows and Ansible Automation + Excellent… more
    Prime Therapeutics (06/13/25)
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  • Systems Security Specialist

    TriTech Enterprise Systems, Inc. (Baltimore, MD)
    …+ A minimum of two (2) years of experience with administering security for Windows and Linux operating systems . + Experience in performing Security ... system development life cycle. + Review and update systems security documentation and artifacts such as Systems...of command line utilities running on various platforms, including Linux and MS Windows . + Experience with… more
    TriTech Enterprise Systems, Inc. (06/25/25)
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  • System Administrator

    ManTech (Annapolis Junction, MD)
    …ensuring compliance with required security standards for IT personnel. + Proficiency in Linux or Windows operating systems , indicating hands-on experience ... in relevant technical concepts. + 2 years of demonstrable experience in a system administration role, demonstrating practical knowledge and skills in the field.… more
    ManTech (06/07/25)
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  • Information Systems Security Engineer…

    RTX Corporation (San Jose, CA)
    …years of prior relevant experience. + 5 years of direct hands-on experience with Linux / Windows system builds, networking, or security architecture. + 3 years ... DoD Clearance: TS/SCI Applied Signal Technology (AST) is seeking an Information Systems Security Engineer who strives for excellence and has a passion to… more
    RTX Corporation (06/28/25)
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  • Platform Engineer

    TEKsystems (Cincinnati, OH)
    …tools. * Experience in software/ systems development. * Experience in System administration , preferrably in multiple platforms: - Windows - Linux - ... Six Sigma certification and/or experience * Experience in IT operations and system administration * Experience building robust monitoring solutions utilizing… more
    TEKsystems (07/19/25)
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  • Manager of DT System Administrators

    RTX Corporation (Tewksbury, MA)
    …security domains. In addition, the role will also provide hands-on technical system administration support across a heterogeneous mix of computer, server, ... and networked hardware and software platforms to augment current system administration team. The leader will establish...managing, supervising, or leading a team. + Experience in Linux and Microsoft Windows environment + Experience… more
    RTX Corporation (06/20/25)
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  • System Administrator

    ManTech (Fort Meade, MD)
    …virtual environments (VMWare ESX, VCenter Administration ) + Experience in administration of Linux / Windows + Experience configuring and maintaining ... **ManTech** seeks an experienced and passionate, career and customer-oriented ** System Administrator** to join our team located in the...storage and file systems (NFS, EXT3/4, XFS) + Experience in developing and… more
    ManTech (07/01/25)
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