Principal Maintenance Engineer

CES_SALCON PTE. LTD.; Serangoon Garden Circus; On-site; SGD 60,000 - 80,000; Full time

Job summary

A leading engineering firm in Singapore is seeking a Senior Technical Lead for wastewater treatment and ultrapure water systems. This role involves ensuring system reliability and environmental compliance, leading optimization, and providing training to engineers. Candidates should have a Bachelor’s degree in Mechanical Engineering and over 10 years of experience in semiconductor water treatment. Strong troubleshooting and project management skills are essential for this position.

Qualifications

• 10+ years of experience in semiconductor and other manufacturing industry water treatment, wastewater, and UPW systems.
• Experience with pumps, membranes, instrumentation.
• Strong background in managing T&C and O&M contracts.

Responsibilities

• Lead in maintaining and optimizing water treatment and wastewater systems.
• Manage UPW, RO, EDI, EDR, filtration and membrane systems.
• Provide training to engineers and technicians on water treatment.

Skills

Troubleshooting

Reliability

Project management

Mentoring

Education

Bachelor’s degree in Mechanical Engineering

Tools

SCADA systems

Chemical dosing systems

Membranes

Instrumentation

Pumps

Job description

ROLE OVERVIEW

• Senior technical lead for wastewater treatment and ultrapure water (UPW) systems in manufacturing facilities (e.g. Semiconductor)
• Ensures system reliability, environmental compliance, and 24/7 systemtechnical support & troubleshooting

KEY RESPONSIBILITIES

• Lead in maintaining and optimizing water treatment & wastewater systems (acid/alkali, fluoride removal, chemical dosing, sludge handling and sustainability)
• Manage UPW, RO, EDI, EDR, Filtration and membrane systems
• Manage systems troubleshooting
• Lead the optimization of chemical consumptions (Sulfuric acid, HCl, lime, coagulant, polymer, anti‑scalant etc.)
• Manage vendors, equipment & systems upgrades
• Ensure discharge to sewer is compliant with PUB & manufacturing EHS
• Ensures workers, contractors & other personnel are compliance with the manufacturing EHS and aligned with manufacturing discipline
• Provides training to engineers and technicians on water treatment, waste water & UPW
• Develop SOP’s, RA’s and maintenance standards
• Manage commissioning of new projects & project improvements
• Supports in potential project proposals

REQUIREMENTS

• Bachelor’s degree in Mechanical Engineeing
• 10+ years experience in semiconductor and other manufacturing industry water treatment, wastewater and UPW systems
• Strong troubleshooting, reliability, and project management skills
• Experience with pumps, membranes, instrumentation, panels, chemical dosing systems, and SCADA systems.
• Strong mentoring skills
• Strong background in managing T&C and O&M contracts