Instrument Technician — Refinery Controls & DCS

World Oil Corp.; Compton (CA); Hybrid; USD 70,000 - 110,000; Full time

Job summary

World Oil Corp. in California is seeking an experienced Instrument Technician to specify, install, commission, troubleshoot, repair, and maintain instrumentation and control systems used in processing petroleum and related streams.

You will work with sensors, transmitters, PLCs, VFDs, and control valves, ensuring safe operation and compliance with ISA standards. The role reports to the Maintenance Manager and requires strong teamwork and problem-solving skills.

Qualifications

• Knowledge of working theory of industrial process equipment and associated physical processes.
• Skill in using process meters, HART communicators, computers & companion software, combustion analyzers, torque screw drivers, tubing tools, calibration & test equipment, and other relevant tools.
• Basic knowledge of networks and industrial communications protocols.
• Strong troubleshooting ability.
• Ability to verify equipment is de-energized and in a safe working condition.
• Ability to safely work in mixed voltage enclosures.
• Ability to work independently and in a team.

Responsibilities

• Maintains and troubleshoots instrumentation and control systems, including sensors, transmitters, PLCs, VFDs, and valves.
• Calibrates and verifies instrumentation devices and records calibration data.
• Reads and updates P&IDs, SOPs, CMMS records, and technical drawings.
• Supports boilers, heaters, and distillation equipment optimization.
• Reads drafts and maintains electrical/electronic drawings and documentation.
• Collaborates with operations, safety, and maintenance staff.
• Responds to occasional emergency call-ins.

Skills

Instrumentation theory

Troubleshooting

Calibration tools

HART

Process meters

DCS knowledge

Industrial networks

Communication skills

Tools

HART communicators

Torque screwdrivers

Tubing tools

Calibration equipment

PLCs

Job description

World Oil Corp. in California is seeking an experienced Instrument Technician to specify, install, commission, troubleshoot, repair, and maintain instrumentation and control systems used in processing petroleum and related streams.

You will work with sensors, transmitters, PLCs, VFDs, and control valves, ensuring safe operation and compliance with ISA standards. The role reports to the Maintenance Manager and requires strong teamwork and problem-solving skills.