Senior Mechanical Engineer

Location : Woodland Working Hours : 5.5 days per week (Mon to Fri: 8:00 AM – 5:30 PM, Sat: 8:00 AM –12:30 PM) Willingness to commit to extended hours & night shift Job Responsibilities Lead the development and review of mechanical designs, schematics, and layouts for HVAC, ultra-pure water (UPW), cleanroom ventilation, process piping, and specialty gas distribution systems. Perform and validate complex load calculations, equipment sizing, system modelling, and material selection to meet stringent semiconductor facility requirements. Provide technical oversight for thermal management, vibration control, and contamination-prevention strategies in cleanroom and sub-fab environments. Lead and supervise installation works for pumps, compressors, heat exchangers, cooling towers, and mechanical utility systems, ensuring compliance with design intent and quality standards. Coordinate closely with civil, electrical, process, and tool-installation teams to ensure seamless integration of all mechanical systems. Ensure strict adherence to cleanroom protocols and contamination-control requirements during construction and installation. Troubleshoot complex mechanical system issues and provide engineering solutions during commissioning, start-up, and qualification stages. Manage and oversee vendor and contractor performance, ensuring timely delivery, quality workmanship, and alignment with project milestones. Ensure compliance with BCA codes, WSH regulations, NEA requirements, and relevant SEMI/ASHRAE/ISO standards. Review and approve mechanical method statements, shop drawings, material submissions, testing procedures, and commissioning documentation. Any ad-hoc duties as assigned Requirements: Bachelor’s Degree in Mechanical Engineering or equivalent. Minimum 5–8 years of relevant experience in semiconductor wafer fabs, cleanrooms, data centres, pharmaceutical plants, or complex industrial facilities. Strong expertise in HVAC, process piping, UPW, specialty gas, and mechanical utility systems. Proficiency in AutoCAD, SolidWorks, Revit, or similar mechanical design and modelling software. Strong knowledge of SEMI standards, ASHRAE cleanroom guidelines, and ISO 14644. Solid understanding of thermodynamics, fluid mechanics, system integration, and mechanical safety engineering. Proven ability to lead coordination with multidisciplinary teams and manage contractors effectively. Strong problem-solving skills with the ability to resolve complex technical issues independently. Must be able to communicate in Mandarin to be able to liaise with Mandarin speaking associates