PLC Technician

Your Job

Flint Hills Resources in Corpus Christi, Texas is looking for a PLC Technician to join our team.

If you are looking for a way to accelerate your career and be part of an industry leading company, this may be the opportunity for you! Flint Hills Resources, LC operates oil refineries, chemicals plants and biofuels facilities across North America and is part of Koch Industries, a global leader in several industrial markets.

Our Team

At our Corpus Christi refinery, PLC technicians are recognized as subject matter experts (SMEs) regarding the specification, installation, maintenance, configuration, life-cycle management, reliability/availability, troubleshooting, upgrading, and the best practices of PLC applications in current use in the plant and as recommended by the vendor and industry.

Our PLC technicians apply their knowledge and talents while collaborating daily with (DCS) Board Operators, Process Control Engineers, IT engineers, and Project Engineers, their design teams, and project stakeholders to achieve stable and safe site operations and business-focused results.

The primary PLC technologies at Corpus Christi refinery are Triconex and Allen-Bradley PLCs.

We program PLC HMIs with Wonderware software.

We interface the PLCs with DeltaV and Foxboro I/A.

What You Will Do

• Diagnose issues and perform repairs on malfunctioning
PLCs to ensure optimal performance.

• Provide support to operators and engineers in
comprehending and troubleshooting programmed PLC
logic.

• Collaborate with instrument and analyzer techs and
electricians to resolve unexpected results from IO
wired to PLCs.

• Work closely with SIS engineers to develop,
implement, and enhance PLC SIS applications for
improved safety performance.

• Partner with project engineers to define project scopes
that align with business objectives and optimize cost-
effectiveness.

• Work with project designers to reserve system IO,
conduct field walk-downs, and provide guidance for
creating comprehensive and accurate IFC project
design packages, including construction drawings,
Cause & Effects drawings, and Sequence of Events
documentation; quality check IFC packages (scope,
drawings, engineered equipment, bills of material).

• Apply hot-fixes, security updates, and perform
hardware and software upgrades for PLC and HMI
systems to maintain security and functionality.

• Identify and propose enhancements to PLC equipment
to address current and future requirements of internal
customers, considering equipment lifecycle.

• Work with instrument and DCS technicians and
console operators to commission new or modified PLC
configurations.

• Engage with peers at other FHR sites to exchange
knowledge and learn from their experiences.

• Develop, commission, and resolve issues with OPC,
Modbus, and ethernet interfaces for non-DCS devices,
collaborating with IT engineers as needed.

• Continuously monitor the condition of PLC systems
to ensure their reliability an...