Senior Commissioning Engineer

Position Overview
The Senior Commissioning Engineer is responsible for executing and leading commissioning activities for Industrial (ETP) and Municipal Effluent Treatment Plants (STP) and Water Treatment Plants (UPW/Desalination). The role covers the full commissioning lifecycle—from pre-commissioning to handover—ensuring safe, efficient, and high-quality project delivery.

Job Responsibilities
Commissioning Activities

Execute and lead all stages of commissioning:

• Pre-Commissioning
• Wet Commissioning
• Process Commissioning
• Performance Testing
• Documentation and Client Handover
• Post-Commissioning Support
• Troubleshooting
• Engineering & Documentation
• Review P&IDs, PFDs, Mass Balances, Design Basis Reports, Control Philosophy, and Cause & Effect Matrices.
• Work closely with Mechanical, Electrical, Instrumentation, and Control teams to ensure installations meet design intent.
• Prepare and Review:
• Commissioning Plans
• Checklists
• Procedures
• Performance Test Procedures and Reports
• SOPs
• O&M Manuals
• Prepare daily, weekly, and monthly progress reports.
• Manage commissioning punch lists.
• Technical Support & Troubleshooting
• Conduct data analysis to diagnose equipment and process issues.
• Identify defects in design, installation, and functionality of equipment, piping, instruments, and controls.
• Provide technical feedback and ensure closure of identified issues.
• Support Site Acceptance Tests and Performance Testing with client endorsement.
• Project Support
• Collaborate with project teams to ensure smooth project execution and closure.

Technical Skill Sets Required

Reverse Osmosis (RO)

• Membrane loading, commissioning, operation, and troubleshooting
• Anti-scalant selection and dechlorination
• Cleaning and sanitization (CIP/SIP)
• LSI, SDI analysis, and membrane profiling
• Troubleshooting & Training

Other Treatment Processes

• Ultrafiltration(UF)
• DissolvedAir Flotation (DAF)
• MBR /MBBR
• Clarifiers
• Ammonia Strippers
• Filter Press and Centrifuge
• Crystallizers and Evaporators

Equipment Commissioning

• Process pumps and chemical dosing pumps
• Compressors, blowers, and mixers
• Heat exchangers
• Polymer preparation and dosing systems

Chemical & Process Operations

• Coagulation and flocculation principles

Software Skills

• MS Office (Excel, PowerPoint, Word)
• Microsoft Project
• Proficiency in written and spoken English

Requirements

• Bachelor’s Degree in Chemical Engineering, Environmental Engineering, Mechanical Engineering, or Biochemical Engineering. Other qualifications may be considered based on relevant experience.
• Minimum 6 years of hands-on field experience in commissioning of water and wastewater treatment systems.
• Proven experience in execution of overseas projects is highly preferred.
• Strong proficiency in Mandarin (both written and spoken) is preferred as the role would support China and Taiwan in addition to other project sites globally.
• Ability to travel to project sites locally and globally (up to 50% travel) when required.