HVAC Engineer (Data Center)

Key Responsibilities

• Operate, inspect, maintain, and troubleshoot data center HVAC and cooling systems, including chillers, cooling towers, pumps, CRAH/CRAC units, AHUs, FCUs, and ventilation systems.
• Develop and implement preventive and corrective maintenance plans to ensure reliable and energy-efficient operation.
• Monitor critical environmental and operating parameters, including temperature, humidity, pressure, water flow, cooling capacity, and system redundancy.
• Investigate alarms and system failures, identify root causes, and coordinate corrective and emergency actions to minimize operational risks and downtime.
• Supervise contractors and service providers to ensure compliance with technical, safety, quality, and scheduling requirements.
• Support system testing, commissioning, inspection, acceptance, and technical documentation.
• Prepare and maintain SOPs, MOPs, EOPs, maintenance records, inspection reports, and other technical documents.
• Collaborate with electrical, fire protection, BMS, and other engineering teams during maintenance and emergency situations.
• Identify energy-saving opportunities and optimize cooling efficiency and PUE without compromising system reliability.
• Ensure compliance with Thai laws, safety and environmental requirements, company policies, and applicable engineering standards.

Qualifications

• Bachelor's degree or higher in Mechanical Engineering, HVAC Engineering, Energy Engineering, or a related discipline.
• At least three years of relevant experience in HVAC systems, facilities management, or operations and maintenance.
• Experience in data centers, large commercial buildings, factories, power plants, or other mission-critical facilities is preferred.
• Strong knowledge of chilled-water systems, chillers, cooling towers, pumps, CRAH/CRAC units, AHUs, FCUs, ventilation, and HVAC controls.
• Ability to read engineering drawings, P&IDs, shop drawings, control diagrams, and technical documentation.
• Knowledge of BMS monitoring systems, cooling redundancy, and energy-efficiency principles is an advantage.
• Strong troubleshooting, analytical, reporting, and coordination skills.
• Good command of English; Chinese language proficiency is an advantage.
• Proficient in Microsoft Office and relevant engineering software.
• Able to work in Ban Chang, Rayong, and provide emergency support outside regular working hours when required.
• A valid Thai Professional Engineering License is an advantage.