• Senior System Administrator

    Amentum (Springfield, VA)
    …the NGA enterprise. * Senior level experience managing and administering Linux /Windows based systems including patching, updates, and configuration management. ... Intel space? If so, look no further. Amentum is seeking a **Senior System Administrator ** to join our team of passionate individuals in **Springfield, VA** . In this… more
    Amentum (11/20/25)
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  • Sr. Principal System Administrator (RHEL)

    RTX Corporation (Marlborough, MA)
    …technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Sr. Principal Linux ... **What You Will Do** : + Serve as a Linux / Red Hat Enterprise Linux (RHEL)...OpenShift and Kubernetes. + Collaborate with engineers, software developers, systems administrators, storage, networking, and high-performance computing teams to… more
    RTX Corporation (11/18/25)
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  • Infrastructure Administrator

    Axxum Technologies (Rancho Cordova, CA)
    …similar role - IT administration, network management. + Strong knowledge of Windows/ Linux operating systems , networking protocols, and IT security principles. + ... Infrastructure Administrator Location: Rancho Cordova, CA Onsite KEY RESPONSIBILITIES...daily technical operations while escalating complex issues to the remote IT team as needed. + Maintain and troubleshoot… more
    Axxum Technologies (09/19/25)
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  • System Administrator

    Leidos (San Diego, CA)
    …be responsible for maintaining, securing, and supporting complex classified information systems , as well as ensuring compliance with security protocols and ... will be performed on-site in San Diego, CA, no remote work is allowed in this role. **Clearance:** To...configure, and sustain a mixture of Windows and RedHat-based systems . + Work under guidance of the Sr. ISSE… more
    Leidos (11/25/25)
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  • F-22 iMIS System Administrator (Level 2),…

    Lockheed Martin (Elmendorf AFB, AK)
    …**What You Will Be Doing** * Administer and maintain Solaris Unix, RedHat Enterprise Linux \(RHEL\), and Windows operating systems \. * Work various shift hours ... **Description:** We are seeking an experienced Unix or Windows Administrator to join our F\-22 Field Operations Team at Elmendorf Air Force Base, Alaska\. As a… more
    Lockheed Martin (11/15/25)
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  • Senior Axway Secure Transport / MFT…

    NTT DATA North America (Phoenix, AZ)
    ** Remote contract** NTT DATA Services Client currently seeks a Senior Axway Secure Transport / MFT Administrator Install, configure, and maintain Axway Secure ... and documentation standards. Support automation, upgrades, and production issues in Linux /Unix environments. Required Experience & Key Skills: 35 years of experience… more
    NTT DATA North America (11/06/25)
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  • Oracle Database Administrator

    Mizuho Corporate Bank (New York, NY)
    …-19c+) + Good working knowledge of Oracle Real Application Clusters and Operating Systems (AIX, Linux , Windows) + Extensive Full Project life Cycle experience ... Join Mizuho as an Oracle Database Administrator ! In this role you will be responsible...will be responsible for maintaining the company's Oracle database systems ensuring resiliency, uptime, HA/DR, performance, capacity planning, overall… more
    Mizuho Corporate Bank (10/07/25)
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  • Endpoint Security as a Service (ESS) Engineer/…

    Leidos (Washington, DC)
    …and servers. + Troubleshooting ESS deployments and policy rollouts across local and remote systems . + Conducting threat analysis and crafting custom security ... mission.** **What You'll Do** As an ESS Engineer and Administrator , you won't just maintain systems -...Level III** certification. + Hands-on experience with RedHat Enterprise Linux , VMware, Microsoft Hypervisor, or RedHat VM Manager. +… more
    Leidos (10/03/25)
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  • System Administrator

    City of New York (New York, NY)
    …Implementing and maintaining IGEL-powered VDI systems for efficient and secure remote access. Utilizing experience with Windows and Linux -based operating ... of this mission, the BXDA seeks experienced and enthusiastic System Administrator . Job Responsibilities: The primary responsibilities will include the following, but… more
    City of New York (11/16/25)
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  • Senior System Administrator

    Insight Global (Wichita, KS)
    Job Description Insight Global is looking to hire a Sr Systems Administrator to join a customer of ours in the Wichita area. The role involves managing and ... responsibilities include troubleshooting and resolving technical issues across multiple systems , storage, and network components; monitoring performance using standard… more
    Insight Global (11/07/25)
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