• Senior Administrator

    Intercontinental Exchange (ICE) (Atlanta, GA)
    Overview **Job Purpose** The Senior Systems Administrator is responsible for maintaining the availability, security, and performance of Windows and Linux ... incident response, troubleshooting, and resolving system performance and availability issues. The Senior Systems Administrator also assists in implementing… more
    Intercontinental Exchange (ICE) (12/23/25)
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  • Senior Hybrid Cloud Systems

    The Boeing Company (Hazelwood, MO)
    …The Boeing Company's Specialized United States Infrastructure organization is currently seeking a ** Senior Hybrid Cloud Systems Administrator ** to join the ... like Azure Stack or Azure Arc + 3+ years of experience with on-premises systems , including servers, virtualization (eg, VMware, Hyper-V), and basic data center… more
    The Boeing Company (01/12/26)
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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 ... Operations Forces within a DoD‑approved enclave\. **What You Will Be Doing** As the Systems Administrator Senior , you will be responsible for provisioning,… more
    Lockheed Martin (12/18/25)
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  • Senior Windows Systems

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator ...Manager) + MAC OS + RHEL + RedHat Enterprise Virtualization Hypervisor + KVM + Puppet + Patching + ... or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows Systems Administrator leads complex system administration and endpoint… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Senior Systems Administrator

    TEKsystems (Terre Haute, IN)
    …IT certifications; Experience: Demonstratable experience working with server operating systems and/or cloud hosting environments, virtualization hypervisors, ... project leadership and technical assistance in the implementation of complex information systems and daily maintenance of such systems . Required Education and… more
    TEKsystems (01/08/26)
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  • Senior Systems Administrator

    Amentum (Waimea, HI)
    Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and manage enterprise-level Linux infrastructure in support of US Navy ... Defense (DoD) environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration, and a strong working knowledge… more
    Amentum (12/24/25)
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  • Linux System Administrator ( Senior

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …CMMI ML3 for Services and Development. Link Solutions is seeking a Linux System Administrator ( Senior -Level) to join our team at Aberdeen Proving Ground, MD. + ... Secret Clearance. + Non-remote (relocation incentive available) Our Linux System Administrator ( Senior -Level) will be responsible for the installation,… more
    Link Solutions Inc (01/06/26)
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  • Senior IT / System Administrator

    R&D Industries, Inc. (Milford, IA)
    …expected to have leading-class knowledge of hardware, software, networking, and security. A Senior Systems & Network Engineer should have years of experience ... Position Overview Our Senior IT / System Administrators & Network Engineers hold a wealth of knowledge regarding complex LAN and WAN network infrastructure. They are… more
    R&D Industries, Inc. (01/08/26)
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  • Systems Administrator

    CACI International (O'Fallon, IL)
    Systems Administrator - Senior Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... financial auditability and transportation logistics? We're seeking a successful, experienced Senior Systems Administrators to join our team in implementing… more
    CACI International (11/08/25)
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  • Sr Enterprise Sys Engineer - Unix/AIX

    Fresenius Medical Center (Lexington, MA)
    **PURPOSE AND SCOPE:** The Unix System Administrator will be responsible for the design, implementation, and ongoing support of IBM Power Systems environments ... environment. This role requires deep technical expertise in AIX, PowerVM virtualization , VIOS, and related infrastructure components as well as general knowledge… more
    Fresenius Medical Center (01/08/26)
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