• Network & Systems Security…

    Miller Milling (Saginaw, TX)
    …We are seeking a versatile IT professional to manage and secure our organization's network infrastructure , systems , and data. This hybrid role requires ... expertise in network administration, systems management, and cybersecurity best...ISO, CIS benchmarks). Other Duties * Maintain documentation of network diagrams, system configurations, and security procedures.… more
    Miller Milling (12/19/25)
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  • Windows Systems Administrator 4

    L3Harris (Greenville, TX)
    …ability to perform complex, multi-disciplined administration in secure lab and isolated network environments. The Windows Systems Administrator will ... domains in the interest of national security. Job Title: Senior Specialist, Windows System Administrator Job Code: 32527 Job Location: Greenville, TX Schedule:… more
    L3Harris (01/07/26)
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  • Network Administrator

    Waste Connections (The Woodlands, TX)
    Waste Connections is growing and adding a Network Administrator to our Corporate Offices in The Woodlands, Texas. The Network Administrator 's role is to ... and coordinate the design, installation, and connectivity of computer, network systems , camera systems , and... network hardware, software, and communication links. The Network Administrator will also troubleshoot network more
    Waste Connections (11/13/25)
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  • Network Administrator (Transmission…

    Pedernales Electric Cooperative (Leander, TX)
    Network Administrator (Transmission Control Center) Leander, TX, US, 78641 PHYSICAL OFFICE LOCATION: PEC Transmission Control Center, Leander, TX 78641 Hybrid ... provisions are met + Write plans to support the infrastructure network needs + Document Information Technology...Standards . + Participate in maintaining availability of Control System environments + Document changes made to systems more
    Pedernales Electric Cooperative (11/07/25)
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  • Network Administrator (Tier 1 Otrc)

    TEKsystems (San Antonio, TX)
    …with Network Monitoring tools like Solar Winds and ITSM/ticketing systems like ServiceNow are also requirements. Staff must possess excellent communication ... work directly with non-technical business clients and field / system / network engineers that work in...Responsibilities: Monitoring & Incident Response * Continuously monitor OT systems (SCADA, PLCs, HMIs, and related infrastructure )… more
    TEKsystems (01/07/26)
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  • Linux Systems Administrator

    Lockheed Martin (San Antonio, TX)
    …If your referral is hired, you'll receive a payment\! code\-extrefer Linux System Administrator \- Clearance Required **WHAT WE'RE DOING** Join Lockheed ... , Cyber & Intelligence, where we foster innovation and integrity\. As a Linux Systems Administrator , you'll be empowered to create "new realities" and pioneer… more
    Lockheed Martin (01/10/26)
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  • System Administrator

    METECS (Houston, TX)
    …robotics, and systems analysis. We are looking for a talented and experienced IT System Administrator with a minimum of 5 years of experience to help us ... maintain and improve our IT infrastructure , Helpdesk System , and cybersecurity posture. If...from you. Key Responsibilities: + Provide support for Linux-based systems and servers, including installation, maintenance, and troubleshooting. +… more
    METECS (12/18/25)
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  • Senior Linux System Administrator

    GovCIO (Austin, TX)
    …(https://careers-govcio.icims.com/jobs/6348/senior-linux- system - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This position… more
    GovCIO (11/07/25)
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  • Network Administrator

    ManTech (San Antonio, TX)
    …+ Will develop high, mid and lower-level diagrams and schematics to document the system and network infrastructure for planning, historical and continuity ... MANTECH seeks a motivated, career and customer-oriented ** Network ** ** Administrator ** , to join our...in **San Antonio, TX** . The team delivers enterprise infrastructure capabilities for a global workforce performing a wide… more
    ManTech (12/17/25)
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  • Systems Administrator

    Robert Half Technology (San Antonio, TX)
    systems . * Manage and support Windows Active Directory environments, including storage, network infrastructure , and backup systems . * Operate and maintain ... Description We are looking for an experienced Systems Administrator to join our team...non-technical audiences. * Proven ability to troubleshoot and resolve system -related issues effectively. * Knowledge of network more
    Robert Half Technology (12/27/25)
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