Wireless System Administrator

Your Job

Flint Hills Resources in Corpus Christi, Texas, is looking for a Wireless System Administrator to join our DCS/PLC team.

This role will serve as the refinery's primary technical resource for the reliability, administration, and lifecycle management of critical industrial wireless infrastructure supporting field instrumentation, process monitoring, mobile connectivity, and other operational technologies.

The Wireless System Administrator will be responsible for maintaining reliable wireless coverage and system performance, troubleshooting infrastructure issues, managing upgrades and obsolescence, and working with Instrumentation, IT/OT, Engineering, Operations, vendors, and project teams to ensure the wireless infrastructure continues to meet refinery needs.

This position also provides a unique opportunity to develop broader industrial automation skills.

As part of the DCS/PLC team, the successful candidate will have opportunities to gain experience supporting PLC and DCS systems, including control-system hardware, industrial communications, troubleshooting, projects, commissioning, and lifecycle activities.

Our Team

The DCS/PLC team supports the specification, installation, configuration, maintenance, lifecycle management, reliability, troubleshooting, and continuous improvement of the refinery's automation systems.

Team members work closely with operations, process control engineers, IT/OT resources, project engineers, designers, instrument technicians, electricians, and other site stakeholders to deliver practical solutions across both control system and PLC-supported equipment.

The Wireless System Administrator will bring dedicated ownership and reliability focus to the refinery's industrial wireless infrastructure while having the opportunity to expand technical capabilities across PLC, DCS, safety-system, and industrial automation technologies.

What You Will Do



* Serve as the refinery's primary technical resource and system owner for critical industrial wireless infrastructure.


* Manage the reliability, availability, performance, and lifecycle of wireless networks supporting field instrumentation, process monitoring, mobile connectivity, and other operational technologies.


* Administer, maintain, configure, and troubleshoot wireless access points, gateways, antennas, controllers, and associated network equipment.


* Monitor system health, coverage, capacity, interference, redundancy, and communications performance; identify and implement improvements that reduce operational risk.


* Perform or coordinate wireless coverage surveys and support network design, expansion, optimization, and commissioning activities.


* Develop lifecycle strategies for wireless infrastructure, including equipment condition, obsolescence, upgrades, software and firmware management, spares, and replacement planning.


* Maintain accurate wireless network topology, asset, coverage, configuration, backup, cybersecurity...