Data Center Applications Engineer - Fluid Cooling

Castrol; Kuala Lumpur; On-site; MYR 70,000 - 110,000; Full time

Job summary

Castrol is seeking a skilled engineer to assess data centre cooling systems, configure and integrate equipment, and support installation across APAC. The role emphasizes troubleshooting, commissioning, testing, and documentation, with travel to customer sites required.

You will engage in calibration of instruments, data collection, and liaison with PLC/BMS systems, ensuring safe and compliant operation. A technical engineering background and strong English communication are essential.

Qualifications

• Engineering degree or equivalent technical experience in mechanical, electrical, instrumentation, controls or related field.
• At least 3 years of hands-on experience in application or field engineering, commissioning, testing, or technical support.
• Experience in industrial instrumentation, HVAC or liquid cooling, data centres, automation, or thermal test equipment.
• Knowledge of closed-loop fluid systems: pumps, valves, pressure, flow, temperature, sampling, contamination, corrosion.
• Experience with measurements such as pH, conductivity, turbidity, temperature, pressure, flow, glycol concentration, or corrosion rate.
• Ability to calibrate instruments using known standards and explain calibration results.
• Working knowledge of industrial controls and communications: 4–20 mA, RS‑485, Modbus, HMI, alarms, wiring diagrams.
• Strong troubleshooting and test‑planning skills with clear documentation and professional English.
• Willingness to travel across APAC and work safely at customer sites.
• Experience with data centre liquid cooling, CDUs, cold plates, PLC/BMS/DCIM integration, live‑site commissioning, high‑power electrical systems.

Responsibilities

• Assess customer sites and requirements for data centre cooling systems.
• Configure and integrate equipment: set up fluid analyzers and cooling load banks; support PLC/BMS integration.
• Support installation and commissioning: verify connections, power, grounding, pressure, flow, sensor setup.
• Troubleshoot and resolve issues across fluid, sensor, calibration, electrical, or communications domains.
• Test and validate products: create test plans, record results, compare with references.
• Train and support customers, colleagues and partners on operation, calibration, maintenance and diagnostics.
• Prepare technical documentation: convert site findings into proposals, diagrams, lists and reports.

Skills

Troubleshooting

Test planning

Communication skills

APAC travel willingness

Education

Engineering degree or equivalent

Tools

4-20 mA

RS-485

Modbus

HMI

Job description

Castrol is seeking a skilled engineer to assess data centre cooling systems, configure and integrate equipment, and support installation across APAC. The role emphasizes troubleshooting, commissioning, testing, and documentation, with travel to customer sites required.

You will engage in calibration of instruments, data collection, and liaison with PLC/BMS systems, ensuring safe and compliant operation. A technical engineering background and strong English communication are essential.