• Linux Systems Administrator / Secret…

    Lockheed Martin (Huntsville, AL)
    …CASP, CISSP\), within 6 months of starting the position * Experience with Linux/UNIX Server and Desktop Operating Systems \(i\.e\. RH 7\.x, RH 8\.x, etc\.\) * ... program environments\. This IT professional will ensure that the Space IT systems are managed, controlled and compliant with the Security Technical Implementation… more
    Lockheed Martin (11/20/25)
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  • System Administrator (Health IT…

    BEAT LLC (San Antonio, TX)
    Job Title: System Administrator (Health IT System ADMIN) Location: San Antonio TX Clearance: Secret Education: BS Computer Science Degree or related field, ... Microsoft Certified: Azure Administrator Associate or Microsoft Certified: Windows Server Hybrid Administrator Associate Position Description: + The Tier 3… more
    BEAT LLC (10/09/25)
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  • PWE Systems Administrator

    RTX Corporation (Cedar Rapids, IA)
    …Clearance:** DoD Clearance: Secret Collins Aerospace, Digital Technology, is hiring a Systems Administrator for our Secure Labs support team. A minimum Collateral ... professional environment, secure environment experience preferred: + Desktop Support, Server Administration, and Virtualization Technologies (VM Ware, etc.). + Linux… more
    RTX Corporation (09/18/25)
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  • Linux Systems Administrator, Sr / Secret…

    Lockheed Martin (Sunnyvale, CA)
    …570 facilities that span more than 70 countries\. We are hiring a Linux System Administrator, Sr to support daily IT operations in our Sunnyvale, CA facility\. This ... restore capabilities\)\. In this position, the chosen candidate will utilize their system administration skills as primary IT support for a classified environment,… more
    Lockheed Martin (11/20/25)
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  • Principal Storage Administrator

    RTX Corporation (Mckinney, TX)
    …Server , Active Directory, WSUS, VMware, BackupExec, NetBackup, prior systems administration and networking administration experience, Windows or Linux ... world. **What You Will Do:** + Administer, configure, and maintain storage systems (ie NetApp AFF/FAS and/or hybrid environments running ONTAP. + Manage storage… more
    RTX Corporation (10/15/25)
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  • Principal Platform Engineer / Linux (OnSite)

    RTX Corporation (Aurora, CO)
    …platform's over-arching design through new emerging technologies. This includes existing operating systems and existing server hardware designs, as well as ... be engaged in the design and implementation of the system updates and upgrades with Focus on the Linux Server / Linux OS expertise and will interface both with… more
    RTX Corporation (09/09/25)
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  • HR/Payroll Applications Developer

    RTX Corporation (Farmington, CT)
    …and implementation. + Proficient in .NET (Core, VB, C#), Oracle PL/SQL, SQL Server , AngularJS, HTML, JavaScript, CSS, and system integration with Workday and ... RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It… more
    RTX Corporation (10/22/25)
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  • Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …Server , Active Directory, WSUS, VMware, BackupExec, NetBackup, prior systems administration and networking administration experience, Windows or Linux ... requirements (CompTIA Security+ CE or equivalent certification) and an Operating System Certification. Experience with Server architecture and troubleshooting… more
    RTX Corporation (10/21/25)
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  • Database Administrator (Onsite)

    RTX Corporation (Largo, FL)
    …performance and security. May require off-hour support + Implement and maintain SQL server DISA STIGs + Install, configure and integrate SQL servers and support ... Backups as well as restoral + Build highly available server clusters + Document, test and implement SQL ...and maintain standard operating procedures + Create and defend system change requests + Manage user requests for assistance,… more
    RTX Corporation (11/08/25)
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  • Senior Windchill Application Administrator

    RTX Corporation (Tucson, AZ)
    …sustainment, deployment, minor patching, or major upgrades of multiple applications, Apache web server , Red Hat Linux operating system , Oracle database, etc. + ... Windchill** , Oracle database, Apache web server , **Linux** & Windows server operating systems , Development (using Java, Python, or Ansible), **Shell**… more
    RTX Corporation (11/18/25)
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