L2 HVAC Engineer for AI Data Center Cooling

Lewis Personnel Management; Jakarta Pusat; On-site; IDR 120,000,000 - 300,000,000; Full time

Job summary

Lewis Personnel Management is seeking a skilled HVAC engineer to maintain and optimize CDU operation and secondary cooling in a high-density AI/GPU data center setting. The role focuses on reliable cooling system operation, monitoring, and preventive maintenance.

You will read P&IDs and drawings, troubleshoot performance issues, and participate in incident and change management. Onsite, 24x7 support may be required as needed.

Qualifications

• 3–5 years hands-on experience in mission-critical HVAC or cooling systems.
• Practical exposure to liquid cooling systems, CDUs, and secondary cooling loops.
• Experience troubleshooting cooling-system performance, leaks, and water-quality issues.

Responsibilities

• Operate, monitor, and maintain CDUs and secondary cooling loops within a data center environment.
• Troubleshoot cooling-system issues involving temperature, flow, pressure, DP, valves, water quality, and leak detection.
• Interpret P&IDs, engineering drawings, and system documentation to support maintenance and troubleshooting.
• Monitor cooling performance and respond to alarms, abnormalities, and operational incidents.
• Perform preventive maintenance and support corrective maintenance activities.
• Follow SOPs, MOPs, and EOPs when executing tasks and changes.
• Support incident management, change management, RCA, and continuous improvement.

Skills

CDU operations

Secondary cooling loops

Troubleshooting

Reading P&IDs

Operations in 24x7 data centers

Education

Bachelor’s or Diploma in Mechanical Engineering / Building Services / HVAC

Tools

P&IDs

Engineering drawings

BMS controls

Job description

Lewis Personnel Management is seeking a skilled HVAC engineer to maintain and optimize CDU operation and secondary cooling in a high-density AI/GPU data center setting. The role focuses on reliable cooling system operation, monitoring, and preventive maintenance.

You will read P&IDs and drawings, troubleshoot performance issues, and participate in incident and change management. Onsite, 24x7 support may be required as needed.