• Senior Linux System

    GovCIO (Austin, TX)
    …Perl, Ruby, Python - appropriate use of built-in functions and libraries + Advanced Linux System Administration , Configuration, and System Security + ... Linux administration duties will be included in this role. + Senior -level RedHat Linux server administration experience, experience with other … more
    GovCIO (11/07/25)
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  • Senior Linux System

    Citigroup (Irving, TX)
    Linux Programming, Linux Server Administration , Linux System Administration , Linux Systems Programming, Python (Programming Language), ... are seeking an accomplished and technically astute Level 3 Linux System Administrator to join our high-performance...will serve as a subject matter expert (SME) on Linux systems , providing deep operational insight, advanced… more
    Citigroup (09/23/25)
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  • Senior Azure/ Linux Engineer (Fed/…

    Deloitte (Austin, TX)
    …balancers. + Experience in supporting enterprise applications in Azure + 2+ years of Linux system administration + Bachelor's degree in Computer Science, ... availability, performance, and security. + Implements and oversees Linux administration tasks including user management, permissions, and system updates. +… more
    Deloitte (09/13/25)
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  • Linux Systems Administrator

    L3Harris (Greenville, TX)
    …TX Schedule: 9/80 Job Description: L3Harris is seeking a Linux Systems Administrator to support Mission System integration in unclassified and secure ... domains in the interest of national security. Job Title: Linux System Administrator Job Code: 29921 Job...minimum of 6 years of prior related experience. + Linux server and workstation systems administration more
    L3Harris (10/17/25)
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  • Senior Network Systems Administrator…

    General Dynamics Information Technology (Fort Bliss, TX)
    …8 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Network Systems Administrator - PDA GDIT is seeking highly ... experienced and qualified Senior Network Systems Administrator - Primary Domain...administrative knowledge of Microsoft Server 2019, Red hat Linux , Windows 11, SQLEXPRESS, ESS, ACAS, and Microsoft Hyper… more
    General Dynamics Information Technology (09/27/25)
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  • Systems Engineer Senior - Level 3

    Lockheed Martin (Fort Worth, TX)
    …Qualifications:** * Proficient with Windows and Linux /Unix operating systems configuration and troubleshooting\. * IT System /Software Troubleshooting ... related discipline, or equivalent experience/combined education **Desired Skills:** * Systems administration experience with servers and network… more
    Lockheed Martin (10/31/25)
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  • Senior Mainframe Systems Programmer…

    Ensono (Houston, TX)
    Senior Mainframe Systems Programmer - zVMRemote - United StatesJR012366 A Senior IBM z/VM Systems Programmer ensures the stability, integrity, and ... efficient operation of information systems that support core organizational functions and clients. This...System Image) is desired + Experience with, storage administration , DFSMS/VM, and virtual tape is helpful + Experience… more
    Ensono (10/07/25)
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  • Senior Platforms Engineer

    Marathon Petroleum Corporation (San Antonio, TX)
    …IT services, which include applications, data storage and other business resources. + System Administration - Performs a variety of functions including user ... and encouraging cross-team collaboration. + Design, implement, and maintain enterprise-grade systems across Windows Server and Linux platforms, ensuring high… more
    Marathon Petroleum Corporation (11/08/25)
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  • Senior Information Systems Security…

    RTX Corporation (Richardson, TX)
    …investigations, or Border Patrol + Project or program management, office management, senior administration , or account management **Qualifications We Prefer** + ... that create a safer, more secure world. Our cybersecurity team is seeking a ** Senior Information Systems Security Officer (ISSO)** to support our team **100%… more
    RTX Corporation (11/19/25)
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  • Senior Associate Systems Operations…

    NTT America, Inc. (Austin, TX)
    …operate virtualized environments to support virtualized systems (Windows and Linux ) + Perform regular system maintenance, including software updates, ... as a Systems Administrator, with a focus on implementation, and administration . + Knowledge of systems , including servers, storage, and virtualization… more
    NTT America, Inc. (11/20/25)
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