Senior Mechanical Engineer - Exhaust Systems

The Senior Mechanical Engineer – Dry Mechanical Systems shall be responsible for the design, engineering, and delivery of mechanical systems for industrial facilities within the semiconductor, electronics, biopharmaceutical, data center, and related industries.

Dry mechanical systems include Cleanroom Systems, HVAC Systems, Process Exhaust Systems, and associated equipment, ductwork, and supporting infrastructure.

Duties & Responsibilities

• Responsible for Concept, Basic, and Detailed Engineering Design of mechanical systems, with a primary focus on HVAC and Process Exhaust Systems.
• Perform engineering calculations including heat load calculations, equipment sizing, airflow calculations, duct sizing, and utility distribution sizing using engineering fundamentals and spreadsheet tools.
• Develop engineering deliverables including Process Flow Diagrams (PFDs), system schematics, layouts, technical specifications, and design reports.
• Design HVAC and Process Exhaust systems for new and existing manufacturing, laboratory, and industrial facilities.
• Conduct feasibility studies, technical assessments, and conceptual design development for mechanical systems.
• Review HVAC systems in preparation for Testing & Commissioning (T&C), qualification, and validation activities.
• Coordinate and integrate R&D, manufacturing, and process equipment requirements into facility designs.
• Provide engineering support during tendering activities, including site briefings, bidder clarifications, and technical evaluations.
• Develop and maintain project execution plans, schedules, and engineering progress tracking.
• Prepare and maintain comprehensive project documentation throughout the project lifecycle.
• Interface with clients to gather design requirements, clarify project objectives, and provide technical consultation.
• Coordinate internal resources, external consultants, vendors, and contractors to ensure successful project execution.
• Clearly define and manage inter-discipline technical interfaces, responsibilities, and scope boundaries.
• Work closely with CAD drafters and BIM modelers to develop, review, and verify engineering drawings and models.
• Prepare Scope of Work (SOW), Bills of Quantities (BOQ), Bills of Materials (BOM), and technical tender documentation.
• Perform chilled water system analysis and Operating System Efficiency (OSE) calculations to meet applicable sustainability and regulatory requirements, including MEES requirements where applicable.
• Perform hydraulic calculations including pump head calculations, pressure drop analysis, and fan static pressure calculations.
• Conduct psychrometric analysis and HVAC system performance evaluations.
• Troubleshoot design, construction, and operational issues and develop practical engineering solutions.
• Liaise with QA/QC personnel to ensure compliance with project specifications, standards, and quality requirements.
• Provide technical support during construction, testing, commissioning, and project close-out stages.
• Promote safe working practices and ensure compliance with health, safety, and environmental requirements.

Job / Skills Requirement:

• Bachelor's Degree in Mechanical Engineering or equivalent.
• Minimum 8–10 years of relevant experience in the design and implementation of mechanical systems for semiconductor, biopharmaceutical, laboratory, data center, or industrial facilities.
• Strong knowledge of HVAC, Cleanroom, Process Exhaust, Chilled Water, and Building Utility Systems.
• Familiarity with Singapore and Malaysia codes, standards, regulations, and authority submission requirements.
• Proficiency in engineering calculations, technical specifications, and design documentation.
• Experience with AutoCAD, Revit, BIM platforms, and Microsoft Office applications.
• Familiarity with modern equipment, technologies, construction methodologies, and industry best practices.
• Ability to advise clients, coordinate multidisciplinary teams, and provide technical leadership throughout project execution.
• Strong communication, presentation, and stakeholder management skills.
• Willingness to travel and/or relocate for project assignments when required.