• Senior Linux System Administrator

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

    L3Harris (Greenville, TX)
    …+ In lieu of a degree, minimum of 6 years of prior related experience. + Linux server and workstation systems administration on Red Hat based distributions ... TX Schedule: 9/80 Job Description: L3Harris is seeking a Linux Systems Administrator to support Mission System...services, and Cyber Security hardening. A solid understanding of Linux administration and enterprise services is required.… 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)
    …related discipline, or equivalent experience/combined education **Desired Skills:** * Systems administration experience with servers and network ... **Description:** You will be the Systems Engineer Senior for the F\-35...and issues * Lab configuration consisting of installation of Linux and Windows operating systems in a… more
    Lockheed Martin (10/31/25)
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  • Senior Mainframe Systems Programmer…

    Ensono (Houston, TX)
    Senior Mainframe Systems Programmer - zVMRemote...This position reports to the Manager of the z/VM, z/ Linux team and is responsible for assisting in the ... - United StatesJR012366 A Senior IBM z/VM Systems Programmer ensures the stability, integrity, and efficient operation...as required/Participate in On-Call Schedule + Platforms: **z/VM, z/VSE, Linux on IBM Z** What the Ideal Candidate Brings… more
    Ensono (10/07/25)
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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 Platforms Engineer

    Marathon Petroleum Corporation (San Antonio, TX)
    …and encouraging cross-team collaboration. + Design, implement, and maintain enterprise-grade systems across Windows Server and Linux platforms, ensuring high ... transform the Midstream technological landscape, we are seeking a dynamic and experienced Senior Platforms Engineer to join our OT Windows team. This role combines… more
    Marathon Petroleum Corporation (11/08/25)
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  • Senior Associate Systems Operations…

    NTT America, Inc. (Austin, TX)
    …+ Ability to use and operate virtualized environments to support virtualized systems (Windows and Linux ) + Perform regular system maintenance, including ... 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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  • IT Support Senior Technician

    Texas Tech University (Lubbock, TX)
    …directory/group policies, mobile devices, and servers running a variety of operating systems (Windows, macOS, Linux ). + Identify, manage, troubleshoot and fix ... **42741BR** **Extended Job Title:** IT Support Senior Technician **Position Description:** The Senior ...is performed. Technical proficiency in supporting Windows, MAC and Linux operating systems (Windows 10 & 11,… more
    Texas Tech University (11/14/25)
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  • Senior Endpoint Security Engineer

    AIG (Dallas, TX)
    …. + Intermediate to Expert level knowledge on Windows & Active Directory, Unix/ Linux Operating Systems . + Good scripting knowledge using PowerShell, Python, ... help customers to manage risk. Join us as a Senior Endpoint Security Engineer to play your part in...excellence. The team is responsible for shielding the company's systems from security risks, while designing technology strategies that… more
    AIG (08/27/25)
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