• IT Solutions Engineer / Analyst III…

    Arizona Public Service (Phoenix, AZ)
    IT Solutions Engineer / Analyst III / Senior | Boomi Platform Administrator Apply now " Date: Dec 19, 2025 Location: PHOENIX, AZ, US, 85004-3903 Company: APS Our ... and Succeed Together. Summary IT Solutions Engineer / Analyst Senior | Boomi Platform Administrator Are you...Molecules, Clouds), CAM, THRU, and Solace. + Proficient in Linux and Windows operating systems within cloud… more
    Arizona Public Service (10/23/25)
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  • Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **Intelligence Sector's (NSS) Cyber & Analytics Business ... and make a difference in National** **Security!** As a Senior Systems Administrator you will play a...Administration and SSP/Security support for the program in both Linux and Windows environments. + Implement, troubleshoot,… more
    Leidos (11/15/25)
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  • Senior Systems Administrator

    BAE Systems (Washington, DC)
    …maintain the infrastructure that powers networks and operating systems such as UNIX, Linux , and Windows . + Install and configure hardware and software, manage ... and resolve issues. + Experience with SQL scripting, Java, Windows Server, Linux , Oracle, Tomcat, data backups,...be available based on position level and/or job specifics. ** Senior Systems Administrator ** **118971BR** EEO Career Site… more
    BAE Systems (12/04/25)
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  • Systems Administrator Senior…

    Lockheed Martin (Fayetteville, NC)
    **Description:** You will be the Systems Administrator Senior for our team\. Our team is responsible for delivering elite IT services-including hardware and ... enclave\. **What You Will Be Doing** As the Systems Administrator Senior , you will be responsible for...certification in relevant programs desired\. * Advanced knowledge of Windows Server /desktop Operating Systems \(Win 10\) * Managing… more
    Lockheed Martin (12/18/25)
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  • Senior System Administrator

    Amentum (Springfield, VA)
    …NGA enterprise. * Senior level experience managing and administering Linux / Windows based systems including patching, updates, and configuration management. * ... If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team...Experience with Active Directory and managing/maintaining Windows servers * Analyze logs and troubleshoot issues on… more
    Amentum (11/20/25)
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  • Senior Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SENIOR SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Senior Systems Administrator to support our customer on the Nautical contract in the ... IL4/IL5 cloud environment administration and compliance Technical Skills: + Proficiency in Linux /Unix and Windows server administration in cloud environments +… more
    UIC Government Services and the Bowhead Family of Companies (01/06/26)
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  • NAVAIR Senior Systems Administrator

    JHNA (Patuxent River, MD)
    …other DOD INST 8570 compliant qualification required. + Operating system certification (ie Windows or Linux ). + Knowledge of networking principles, theories, and ... | Full Time Overview: JHNA is currently seeking a Senior Systems Admin to join our NAVAIR team in...NAVAIR team in Patuxent River, MD. As a System Administrator supporting NAVAIR, you'll collaborate with talented professionals to… more
    JHNA (01/06/26)
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  • Senior HPC Systems Administrator

    BAE Systems (Saratoga Springs, UT)
    …problems and remains involved in the resolution process. Configures and manages Linux , Unix, and Windows operating systems and installs/loads operating system ... involved in the resolution process + Configure and manage Linux , Unix, and Windows (or other applicable)...be available based on position level and/or job specifics. ** Senior HPC Systems Administrator ** **115107BR** EEO Career… more
    BAE Systems (12/09/25)
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  • Mid/ Senior System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …Maintenance of Virtual Machines + VCenter/VMWare + AWS Experience + VPC, EC2, S3 + Linux and Windows operating systems + CentOS, RedHat, Windows 10, Window ... in 2020 and a finalist in 2021! Belay Technologies is seeking a System Administrator (SA) to join our intel team. The SA provides support for implementation,… more
    Belay Technologies (11/19/25)
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  • Systems Administrator

    General Dynamics Information Technology (Sterling, VA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** SYSTEMS ADMINISTRATOR SENIOR Advance how our customers operate while you ... advance your career. Join GDIT as a Systems Administrator Senior and build an impactful career in enterprise IT, collaborating with people who are driven and… more
    General Dynamics Information Technology (12/18/25)
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