UPW Water Systems MEP Supervisor – Piping & Commissioning

CTCI SINGAPORE PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

CTCI Singapore Pte. Ltd. is seeking an experienced supervisor to lead UPW and related process water systems installation at semiconductor facilities. The role requires hands-on oversight of high-purity piping, welding, and subcontractors.

You will review isometrics and P&IDs, ensure safety compliance, and coordinate commissioning activities from pre-commissioning to handover. English and Mandarin are preferred for ground-level supervision.

Qualifications

• Diploma or technical qualification in Mechanical Engineering.
• At least 3 years of high-purity piping, UPW, water treatment, MEP, or EPC construction experience.
• MOM-accredited safety courses (e.g., BCSS / SSSC) certification is preferred; PVDF welding inspection certifications add advantage.
• Proficiency in English and Mandarin preferred for submittals and supervision.
• Experience supervising high-purity piping fabrication and clean installation on site.
• Experience supervising subcontractors and piping specialists.
• Ability to read piping isometrics, P&IDs, and layout specs.
• Experience in semiconductor wafer fab, cleanroom, or pharma facilities is preferred.
• Knowledge of UPW testing, flushing, and commissioning is an advantage.

Responsibilities

• Supervise construction and installation of UPW, process water, and wastewater systems.
• Oversee high-purity piping (PVDF, clean PVC), pumps, tanks, RO/EDI units, UV sterilizers, filtration skids, and valve manifolds.
• Verify weld quality and alignment for PVDF welding methods.
• Coordinate piping installation with process equipment, tool hook-ups, and other MEP services.
• Review piping isometrics, P&IDs, specs, and method statements.
• Monitor supports, expansion provisions, cleanliness, and storage capping.
• Coordinate pneumatic/hydrostatic testing, flushing, passivation, sanitization, pre-commissioning, and commissioning.
• Monitor subcontractor performance, manpower, workmanship, and progress.
• Identify and resolve site coordination, piping routing, and interface issues.
• Support system handover, QA/QC docs, and close-out activities.

Skills

Subcontractor supervision

Reading piping isometrics & P&IDs

Quality & safety oversight

Bilingual English Mandarin

Education

Diploma in Mechanical Engineering

Job description

CTCI Singapore Pte. Ltd. is seeking an experienced supervisor to lead UPW and related process water systems installation at semiconductor facilities. The role requires hands-on oversight of high-purity piping, welding, and subcontractors.

You will review isometrics and P&IDs, ensure safety compliance, and coordinate commissioning activities from pre-commissioning to handover. English and Mandarin are preferred for ground-level supervision.