• Senior Information Systems Engineer…

    RTX Corporation (Andover, MA)
    …+ Minimum five (5) years of relevant experience + Experience with systems administration of Linux , Networking, and/or Windows (in desktop or server ... the world. As part of the Test Environment Support Administration ( **TESA** ) team, you be working with...RedHat Satellite Servers + Troubleshooting ability with all Microsoft Windows and Linux systems +… more
    RTX Corporation (09/13/25)
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  • Information Systems Security Officer

    FGS, LLC (Suitland, MD)
    …+ Minimum 10 years of systems administration and cybersecurity experience ( Windows and Linux ) + Current DoD IAT Level II certification (Security+ CE, or ... deep expertise in the Risk Management Framework (RMF), experience with both Windows and Linux systems , and the ability to collaborate across technical and… more
    FGS, LLC (08/23/25)
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  • Principal Information Systems Engineer…

    RTX Corporation (Tucson, AZ)
    …of relevant experience + Experience with systems administration of Linux , Networking, and or Windows (in desktop or server environments) + Experience ... the world. As part of the Test Environment Support Administration **(TESA)** team, you be working with both leading-edge...a classified environment + Troubleshooting ability with all Microsoft Windows and Linux systems +… more
    RTX Corporation (09/13/25)
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  • Sr. Systems Engineer

    Leidos (Fort Belvoir, VA)
    …in CONUS and OCONUS locations. The Sr Systems Engineer will deploy new Windows and Linux servers and systems and provide support for maintaining ... enhancing cloud infrastructure as well as the day-to-day maintenance support for troubleshooting Linux / Windows cloud systems and servers. This role requires… more
    Leidos (09/23/25)
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  • Systems Administrator, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Meade, MD)
    …work without considerable direction, and mentor and supervise team members. You'll support Windows and Linux systems engineering efforts in system design ... Systems Administrator, Senior The Opportunity: Are you looking...Have: + Experience operating and maintaining Micro sof t Windows and Linux servers + Experience working… more
    BOOZ, ALLEN & HAMILTON, INC. (09/09/25)
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  • Network & Systems Administrator

    Insight Global (Middle River, MD)
    …servers, and data center environments. This role requires a deep understanding of both Windows and Linux systems , hands-on experience with IT hardware, and ... and security. Key Responsibilities: * Administer, support, and maintain Windows Server and Linux operating systems...Requirements - Minimum 5 years of hands-on experience in Windows and Linux system administration .… more
    Insight Global (09/09/25)
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  • Senior Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …and license configuration; and workstation support. + Experience with troubleshooting, patching, and support Linux , ESXi and Windows Systems . + Work as a ... systems hardware and software related to a Linux / Windows infrastructure for classified programs. Duties include,...some of, but not limited to, the following technologies: Windows or Linux administration , backup,… more
    RTX Corporation (09/26/25)
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  • Classified Lab Manager

    The MITRE Corporation (Mclean, VA)
    …+ User maintenance activities on both Windows and Linux operating systems + Perform general systems administration (patching, updates, user support) ... Va campus. Roles & Responsibilities: + Building and hardening Windows , Linux , Hypervisor systems , such...Backups + Powershell scripting for automation, task scheduling and systems administration + Maintenance of other … more
    The MITRE Corporation (09/04/25)
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  • Systems Engineer

    Robert Half Technology (Jersey City, NJ)
    …* Administer Windows Server environments, including failover clustering, and manage Linux systems such as Ubuntu and Debian. * Manage cloud infrastructure ... City, New Jersey. The ideal candidate will oversee the administration and optimization of enterprise IT systems ,...firewalls, and endpoint security tools. * Expertise in administering Windows and Linux systems , as… more
    Robert Half Technology (09/09/25)
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  • Senior Systems Administrator

    ChenMed (Miami, FL)
    …modified at manager's discretion **KNOWLEDGE, SKILLS AND ABILITIES:** + Expert understanding of either Windows or Linux Operating Systems , both is a plus + ... need great people to join our team. The Senior Systems Administrator is responsible for the administration ,...with golden image creation, patching, and updated Microsoft & Linux operating systems in AWS + Maintains,… more
    ChenMed (09/18/25)
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