Mechanical Engineer - Cleanroom and Facility Systems

About the role

JLL is hiring a Mechanical Engineer in Singapore to support the delivery of facility engineering projects and the maintenance and operation of critical facility systems. The role covers the full asset lifecycle, from design review, construction and commissioning through handover and operational readiness, to the safe, reliable and efficient steady-state operation of cleanroom, laboratory, manufacturing, office and related infrastructure. It works closely with client project teams, JLL's Project and Development Services and Integrated Facility Management, client stakeholders and contractors.

Key responsibilities

• Support project planning (scope, schedule, budget, resources) and deliver facility projects safely, on time and within budget, acting as the engineering and operations interface from design through handover.
• Review design documents and technical specifications, drawings, shop drawings, method statements and contractor submittals, and prepare operating procedures and work instructions.
• Provide technical expertise on facility systems such as HVAC and cleanroom air, process cooling, compressed air and gas, power distribution and UPS, water and wastewater, fire protection and building management systems.
• Coordinate interfaces between base-build systems and process equipment, liaise with clients, consultants, contractors and OEMs, and support construction-phase support, site inspections, quality walkdowns, RFI responses and acceptance testing and commissioning.
• Support handover documentation, the asset register, CMMS configuration, planned preventive maintenance schedules, site SOPs and alarm procedures, and monitor defects liability and warranty claims.
• Plan and coordinate preventive and corrective maintenance, prepare MOPs, permits to work and lockout/tagout plans, respond to incidents and support root cause analysis.
• Train technicians and operators, analyse equipment and operations data, support performance reporting against KPIs and SLAs, and contribute to lifecycle replacement and capital improvement recommendations.

Required profile

• Bachelor's degree in Mechanical Engineering or a related discipline.
• 3-5+ years of engineering experience in critical facilities such as semiconductor fabs, cleanrooms, data centres, pharmaceutical or advanced manufacturing sites.
• At least 2 years in facility operations and maintenance, with involvement in construction, commissioning and handover.
• Relevant professional engineering registration, license or statutory competency in the country of operation, or working toward it.
• Fluency in the local language and strong spoken and written English; valid driver's licence; flexibility to work 24/7 and travel to account sites.

Required skills

• Working knowledge of BMS/FMS and CMMS platforms; proficiency in MS Office including MS Project.
• Working knowledge of CAD/Revit is an advantage.
• Supervisory experience and experience with technicians, vendors and contractors; experience with semiconductor fab utilities, cleanroom construction or certification, and greenfield projects is preferred.