• FSL Linux Systems…

    CGI Technologies and Solutions, Inc. (Houston, TX)
    **FSL Linux Systems Administrator (ADV000BAP)** **Category:** Business Consulting, Strategy and Digital Transformation **Main location:** United States, ... centers across the United States. We have an exciting opportunity for a FSL Linux Systems Administrator to join the team with Nexus, a teammate company. This… more
    CGI Technologies and Solutions, Inc. (01/02/26)
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  • Linux Systems Administrator…

    Lockheed Martin (San Antonio, TX)
    … Systems , Cyber & Intelligence, where we foster innovation and integrity\. As a Linux Systems Administrator , you'll be empowered to create "new realities" ... solutions, committed to excellence and integrity\. **WHO YOU ARE** You are a Linux Systems Administrator who will support a high priority and highly visible… more
    Lockheed Martin (01/10/26)
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  • Systems Administrator ( Linux…

    RTX Corporation (Mckinney, TX)
    …intelligent solutions for the global aerospace and defense industry. We are currently seeking a Linux Systems Administrator that will be working onsite in a ... highly collaborative, multi-platform and multi-disciplined environment. The Systems Administrator is required to have an...Administration in a heterogeneous Redhat 7 & 8 Enterprise Linux environment. + Understanding and knowledge of Linux… more
    RTX Corporation (12/02/25)
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  • Software Systems Integrator

    L3Harris (Greenville, TX)
    …TX and/or Rockwall,TX Schedule: 9/80 Job Description: L3Harris is seeking a hybrid Windows/ Linux Systems Administrator to support Mission System integration ... Essential Functions: + Integrate with a team of multidiscipline, multileveled Systems Administrators supporting Linux , Windows, and Network operations +… more
    L3Harris (01/06/26)
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  • Principal Linux Administrator (Top…

    RTX Corporation (Richardson, TX)
    …RTX **Enterprise Services** team: **Role Overview:** RTX is seeking a Principal Linux Administrator to support a highly virtualized Enterprise infrastructure ... and software. + Perform software upgrades, patching, and system maintenance on Linux systems . + Troubleshoot issues and apply security policies specific to … more
    RTX Corporation (12/12/25)
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  • Principal Linux Administrator…

    RTX Corporation (Mckinney, TX)
    …RTX **Enterprise Services** team: **Role Overview:** RTX is seeking a Principal Linux Administrator to support a highly virtualized Enterprise infrastructure ... solutions, optimize system performance, and ensure the reliability and security of Linux systems in a mission-critical setting. **This role is onsite for Tucson,… more
    RTX Corporation (01/16/26)
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  • Senior Linux System Administrator

    GovCIO (Austin, TX)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This position ... role, you will work with other members to mitigate vulnerabilities on Linux -based systems , implement STIGs, address POAMs, and mitigate Zero-Day vulnerabilities.… more
    GovCIO (11/07/25)
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  • HPC Linux System Administrator

    Amentum (Houston, TX)
    …centers across the United States. We have an exciting opportunity for a **HPC Linux System Administrator ** to join the team with Oceaneering, a teammate company. ... diverse backgrounds to help us envision, shape, and deliver systems that will enable the exploration of space while...storage, which serve more than 1000 users. The **HPC Linux System Administrator ** will: + Work with… more
    Amentum (01/15/26)
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  • Cyber Systems Administrator

    Serco (San Antonio, TX)
    …& Qualifications** **Position Description & Qualifications** Serco is seeking a **Cyber Systems Administrator ** to support the 705th CTS Distributed Mission ... hardware, software, and system components. + Performing as a Systems Administrator for a hybrid classified environment... for a hybrid classified environment (ie, Windows and Linux ). + Working closely with DMOC Cybersecurity team to… more
    Serco (01/15/26)
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  • Systems Administrator II

    V2X (Fort Bliss, TX)
    …usage, disk usage, and response times to maintain the STE Device systems operating efficiency. *Sets up administrator accounts, maintains system documentation, ... performance. 3. Assign and update security permissions on a Linux network. 4. Review and interpret Linux ...usage, disk usage, and response times to maintain the systems operating efficiency. *Experience in setting up administrator… more
    V2X (12/16/25)
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