The posting
About Us CleanTec is a Singapore-based specialist in cleanroom and controlled-environment design and build. We deliver projects for clients in semiconductor, pharmaceutical, biomedical and electronics industries, covering everything from design through installation, testing and handover.
Roles & Responsibilities
- Design ACMV systems for cleanrooms and controlled environments. This includes heat load and airflow calculations, air change rates, and pressure cascade and temperature/humidity control.
- Select and size equipment such as AHUs, MAUs, FFUs, HEPA/ULPA filtration, chillers, fans and exhaust systems.
- Prepare and review ACMV drawings, ductwork and piping layouts, schematics and equipment schedules.
- Review client specifications and tender documents, raise technical queries, and support costing and tender submissions.
- Coordinate with electrical, controls, architectural and process teams to resolve interface issues.
- Supervise subcontractors and site installation to make sure work meets drawings and specifications.
- Manage material submissions, shop drawings and approvals.
- Plan and carry out testing, adjusting and balancing (TAB), commissioning, and cleanroom certification tests to ISO 14644 (particle count, airflow, pressure, recovery).
- Prepare as-built drawings, O&M manuals and handover documents.
- Make sure designs comply with SS 553, SS 554, SCDF fire code requirements and client standards.
Requirements
- Degree or Diploma in Mechanical Engineering or equivalent.
- Good knowledge of SS 553, SS 554 and ISO 14644.
- Proficient in AutoCAD. Experience with Revit/BIM or load calculation software (e.g. HAP, Trace) is an advantage.
- Familiar with BMS/controls for ACMV systems.
- Good communication and coordination skills, able to work with clients, consultants and subcontractors.
- Able to work on site and travel to project locations when required.
- Cleanroom, semiconductor or pharmaceutical project experience is a strong advantage.



