Data Center Cooling & HVAC Ops Engineer

Jobstreet Malaysia; Kulai; On-site; MYR 60,000 - 90,000; Full time

Job summary

Jobstreet Malaysia is seeking an HVAC Operations & Maintenance Engineer to own end-to-end O&M of data center cooling plants and HVAC systems, including chillers, PAC units, and BMS. You will monitor environmental conditions and coordinate maintenance with internal teams and external contractors to ensure continuous, reliable cooling for critical IT environments.

You will develop preventive maintenance plans, optimize free cooling strategies for better PUE, and lead safety-compliant

Qualifications

• Diploma or Bachelor's Degree in Building Environment & Energy Engineering, Refrigeration, Mechanical & Electrical Engineering, Mechatronics, or related discipline.
• Proficiency in Mandarin is preferred due to China-based client coordination.
• Minimum 3 years of HVAC O&M experience in a large-scale water-cooled data center.
• Strong knowledge of centrifugal and screw chillers, chilled water systems, free cooling, and BMS.
• Familiarity with GB50174 Code for Design of Data Centers or equivalent standards.
• Experience in energy efficiency improvements and PUE optimization.
• Low Voltage Electrical License and/or Refrigeration Equipment Technician certification is an advantage.

Responsibilities

• Take end-to-end responsibility for HVAC O&M of data center cooling plant and systems, including chillers, plate heat exchangers, cooling towers, PAC units, free cooling, water supply and drainage, and BMS.
• Monitor environmental parameters (temperature, humidity, differential pressure) and respond to faults, overheating, leaks, and emergencies.
• Develop and implement annual preventive maintenance plans; supervise third-party contractors and manage spare parts inventory.
• Optimize HVAC operating strategies for free cooling, IT load, and PUE improvements; reduce hot spots in the data hall.
• Prepare and update SOPs, MOPs, and EOPs; organize emergency drills.
• Support system upgrades, ensure safety compliance, and assist with audits and inspections.

Skills

Mandarin

Communication

Troubleshooting

PUE optimization

Energy efficiency

BMS operations

Education

Building Environment & Energy Engineering

Refrigeration Engineering

Mechanical & Electrical Engineering

Mechatronics

Tools

BMS

Job description

Jobstreet Malaysia is seeking an HVAC Operations & Maintenance Engineer to own end-to-end O&M of data center cooling plants and HVAC systems, including chillers, PAC units, and BMS. You will monitor environmental conditions and coordinate maintenance with internal teams and external contractors to ensure continuous, reliable cooling for critical IT environments.

You will develop preventive maintenance plans, optimize free cooling strategies for better PUE, and lead safety-compliant