6+ years of experience in pre-commissioning, Commissioning and start-up at site including Oil & Gas Refinery and Petrochemical plant. Premium advantages will be given to who has any Process Operation Experiences in C3/C4 Refrigerant Process Read, write and speak English. Experience in Overseas Project is preferred. Project execution as a Pre- Commissioning Supervisor assigned at least one project. Prepare Pre-commissioning/ Commissioning package such as loop test and Function test etc. For MRT about pump / Compressor and communicate with field operator for proper operation. Communicate with field operator to operate the control valve, mechanical & instrument item Prepare to operate for commissioning and start up for refrigerant & C3/C4 transfer to tank. Coordinate with the COMPANY inspector to operate DCS Observe the NLTF ISBL & OSBL’s Vessel, Compressor, etc for proper operation. Fill up and manage log sheets for proper operation.