Main Duties and Responsibilities: Issue PID for all project by gathering information from relevant engineer; Define Design Pressure of all circuit; Define deriming procedure of plant; Define and size the utilities network (IA, NS); Issue piping list; Define the major protection loop on the PID; Check and approve sub-supplier’s PID; Support the site commissioning; Support as required, machine specialist and the proposal of machine; Attend the review meeting with related professionals (PFD, PID freeze, clients, etc). Ensure that projects are all designed in compliance with the expected safety, reliability and performance; (Senior PID engineer) Qualifications: Bachelor degree or above, majored in chemical engineering, chemical mechanic, automation or cryogenic relevant; 8 years working experience in ASU process design, process control and commissioning, of which at least 5 years of experience in chemical industrial design and management; (Senior PID engineer) Wide knowledge of chemical process design, chemical industrial process, instrumentation, control, process machines, metal material and standards, etc.; ASU process design and process control experience is appreciated; Familiar with PID execution and management; Familiar with Microsoft Office software, Microstation, Smartplant and Smartsketch, etc. and basic calculation with excel tools; Positive, good communication and open-minded individual; Good English.