MEP Supervisor - Water / UPW

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

Job Responsibilities

• Supervise and oversee the construction and installation of Ultra-Pure Water (UPW), Process Water, and Industrial Wastewater systems.
• Supervise high-purity piping (PVDF, clean PVC), pumps, storage tanks, RO/EDI units, UV sterilizers, filtration skids, and valve manifolds.
• Oversee advanced fusion welding methods (e.g., IR/butt fusion, beadless/BCF welding for PVDF) and verify weld quality, alignment, and cleanliness.
• Coordinate piping installation with process equipment, tool hook-ups, and other MEP services.
• Review piping drawings, isometrics, P&IDs, specifications, and method statements.
• Monitor piping supports, thermal expansion provisions, cleanliness protocol, and capping during storage and assembly.
• Coordinate pneumatic/hydrostatic pressure testing, flushing, passivation, sanitization, pre-commissioning, and commissioning.
• Monitor subcontractor performance, manpower, workmanship, and construction progress.
• Identify and resolve site coordination, piping routing, and interface issues.
• Support system handover, QA/QC documentation, and close-out activities.

Requirements

• Diploma or relevant technical qualification in Mechanical Engineering or a related discipline.
• Minimum 3 years of relevant high-purity piping, UPW, water treatment, MEP, or EPC construction experience.
• Certified in MOM-accredited safety courses (e.g., BCSS / SSSC); possession of CSCPM, Confined Space Safety Assessor/Supervisor, or PVDF welding inspection certifications will be an added advantage.
• Proficiency in English and Mandarin is preferred to handle both technical submittals and ground-level subcontractor supervision.
• Proven ability to supervise high-purity plastic piping fabrication and clean installation on site.
• Experience supervising subcontractors and piping specialists.
• Able to read and interpret piping isometrics, P&IDs, and layout specifications.
• Experience in semiconductor wafer fab, cleanroom, or pharmaceutical facility projects is preferred.
• Knowledge of UPW system testing, flushing, and commissioning protocols is an advantage.