Automation Technician: DCS/SIS/PLC Expert

ONEOK, Inc.; Plaquemine (LA); Hybrid; USD 80,000 - 120,000; Full time

Job summary

ONEOK, Inc. in Plaquemine, LA, is seeking an Automation Technician to execute routine automation tasks, maintain and troubleshoot control systems, and support daily plant operations under supervision.

The role focuses on DCS/SIS/PLC hardware and software, OT networks, and collaboration with operations, I&E, maintenance, and engineering teams to ensure safe, reliable plant performance.

Qualifications

• High School diploma or GED required.
• Minimum 5 years related DCS/SIS or PLC experience.
• Must pass pre-employment drug screening and DOT testing.

Responsibilities

• Maintain, modify, and troubleshoot DCS/SIS/PLC and HMIs to maximize use of control technology.
• Support Windows Server 2016/2019 and related hardware in a domain environment.
• Maintain documentation of control systems and OT networks.
• Troubleshoot control issues and implement corrective actions.
• Assist with design and installation of new automation equipment.
• Assist with planning, installation, and maintenance of facilities’ controls equipment.
• Consult with vendors on new upgraded automation equipment.
• Maintain OT security and redundancy for control networks.
• Provide accurate information to maximize plant profitability.
• Assist in cost control of control system maintenance.

Skills

DCS/SIS/PLC expertise

HD visualization HMIs

OT networks & security

Vendor coordination

Reading P&ID diagrams

Windows Server administration

Strong communication

Education

High School diploma or GED

Tools

Foxboro DCS

Rockwell PLCs/HMIs

PlantPAX

Aveva/WonderWare HMIs

Honeywell C-300

Honeywell Safety Manager

Emerson DeltaV

Job description

ONEOK, Inc. in Plaquemine, LA, is seeking an Automation Technician to execute routine automation tasks, maintain and troubleshoot control systems, and support daily plant operations under supervision.

The role focuses on DCS/SIS/PLC hardware and software, OT networks, and collaboration with operations, I&E, maintenance, and engineering teams to ensure safe, reliable plant performance.