Dennin Mark Bongulan

Instrument Technician & Supervisor with 12+ years of hands-on experience in pre-commissioning, commissioning, maintenance, and operations of instrumentation systems within oil & gas, petrochemical, refinery, and power plant environments. Proven track record in DCS/PLC operations, loop checking, function testing, and instrument calibration. Strong leadership in managing site teams, punch lists, SAT/FAT, and safety systems testing. Skilled in interpreting P&IDs, logic diagrams, and ensuring compliance with HSE and project QA/QC standards.

Instrument Technician with over 12 years of experience in pre-commissioning, commissioning, maintenance, troubleshooting, and operations of instrumentation systems in oil & gas, petrochemical, and industrial facilities. Experienced in DCS operations, loop checking, function testing, & various systems for SAT activities. Demonstrated ability to supervise teams, interpret engineering drawings, and ensure safe and good-quality execution of work.

Bachelor of Industrial Technology majoring in Instrumentation and Control Engineering Technology