Maintenance Technician - Instrument

San Miguel Corp.

Full-time Management & Operations
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Location
limay, bataan, Philippines
Posted
July 14, 2026

Job Description

Maintenance Technician - Instrument

Location: Limay, Bataan (ADC1), Philippines

The Maintenance Technician - Instrument is responsible for the installation, calibration, maintenance, and troubleshooting of instrumentation and control systems in the refinery. The role ensures plant safety, reliability, and efficiency by keeping field instruments, analyzers, and control systems in optimal condition.

Key Responsibilities

  • Install, calibrate, and configure field instruments including pressure, flow, temperature, level transmitters, analyzers, and control valves.
  • Perform preventive, predictive, and corrective maintenance on instrumentation and control systems (PLC, DCS, and SIS).
  • Conduct loop checks, function tests, and commissioning of instruments during projects and shutdowns.
  • Troubleshoot instrumentation faults and resolve issues using P&IDs, loop diagrams, and wiring drawings.
  • Perform calibrat...