PLC Reliability Engineer
Listed on 2026-11-05
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Engineering
Automation & Mechatronics Engineer, Systems Engineer, Electrical Engineering, Process Engineer
Interested in joining a winning team? A team whose employees are empowered to make a difference?
Grade
33-35, DOQ $125,041-$156,301
Location
Battleground Manufacturing Complex
Organizational context and job purpose
The O&P USA business includes the product lines Ethylene, propylene, butadiene, polypropylene and High density polyethylene. Manufacturing sites include Chocolate Bayou Works (Alvin, TX), Battleground Manufacturing Complex (LA Porte, TX), and Carson, (Carson, CA), with a division office in League City, TX.
INEOS Olefins and Polymers USA includes the Battleground Manufacturing Complex (BMC) Polyethylene and Polypropylene units in La Porte, TX, the Chocolate Bayou Plant (CBW) south of Alvin, TX, which manufactures Olefins and Polypropylene, the Carson, Ca. Polypropylene manufacturing plant and the Hobbs, NM gas plant.
The PLC Engineer (Programmable Logic Controller) is a member of the I/E Reliability organization at BMC and reports to the IEA Unit Reliability Team Lead. The position serves as the reliability-side system owner for all BMC PLC systems, including general-purpose and safety PLCs, providing technical accountability for system integrity, complex troubleshooting, reliability improvement, and lifecycle management. The position is accountable for understanding and putting into practice the INEOS 20 Principles.
The position’s system scope includes:
- General-purpose PLCs and safety PLCs, including PLC-based SIS logic solvers.
- PLC hardware, application software, and associated input/output systems.
- PLC-associated computers and human-machine interfaces (HMIs).
- PLC communications and associated network interfaces, in coordination with responsible OT and cybersecurity personnel.
- Equipment-monitoring devices integrated with PLC systems.
- Associated programmable devices, including remote terminal units (RTUs) and programmable relays.
- PLC-based SIS:
The PLC Engineer owns platform reliability and lifecycle management; the SIS Engineer retains technical accountability for safety-function requirements and safety application logic.
This position works closely with unit I/E engineers and technicians, Operations, the Capital Projects PLC engineering counterpart, and the responsible OT and cybersecurity specialists. The PLC Engineer provides specialist support, leads detailed troubleshooting of complex or recurring system issues, and trains and mentors unit I/E personnel.
The position owns the PLC lifecycle and replacement plan, executes designated lean projects, and prepares CAPEX justifications, scopes, and charters. As Reliability’s PLC subject matter expert and asset-owner representative, the position defines requirements and acceptance criteria, challenges solutions, and reviews deliverables for technical soundness, reliability, maintainability, and supportability. Capital Projects develops and executes the defined solutions; the PLC Engineer identifies deficiencies and provides the technical recommendation for acceptance and turnover.
The PLC Engineer provides support for unit I&E engineering activities and troubleshooting efforts as needed or as assigned, assisting operating units in resolving critical instrumentation, electrical, and control system issues to support safe and reliable plant operations.
Responsibilities AND Accountabilities
The PLC Engineer leads reliability stewardship and lifecycle management of existing and newly installed PLC systems within the assigned scope. The position provides detailed troubleshooting, technical review, and reliability assurance for system hardware, software, and interfaces. For capital projects, the position provides asset-owner requirements and technical review in coordination with the Capital Projects PLC engineering counterpart, including…
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