Mechanical Technician

DayOne Data Centers HK Limited; Hong Kong; On-site; HKD 240,000 - 400,000; Full time

Job summary

DayOne Data Centers HK Limited is seeking a hands-on Mechanical Maintenance Technician to support critical cooling and mechanical systems in our Hong Kong data center campus. You will perform routine maintenance on pumps, motors, valves, CRAH units, heat exchangers, and other equipment, follow SOPs and MOPs, and keep meticulous maintenance logs.

This role requires strict adherence to safety protocols, including LOTO and chemical handling, and you will assist during emergency response to keep

Qualifications

• Experience maintaining pumps, motors, valves, FWU/CRAH units, heat exchangers and similar mechanical systems.
• Ability to troubleshoot mechanical systems under supervision and perform component replacements.
• Follow MOPs, SOPs and safety procedures in daily work.
• Conduct routine mechanical inspections and keep accurate maintenance logs.

Responsibilities

• Perform mechanical maintenance on pumps, motors, valves, FWU/CRAH units, heat exchangers, and other mechanical systems.
• Conduct troubleshooting and repair under supervision, including component replacement.
• Support chilled water system troubleshooting/restoration activities.
• Assist in developing and following MOPs, SOPs, and safety procedures for mechanical work.
• Conduct routine mechanical inspections and identify abnormal equipment conditions.
• Support emergency response during cooling or mechanical incidents.
• Maintain proper documentation, update maintenance logs, and comply with operational standards.
• Ensure adherence to safety practices including LOTO, chemical handling procedures.

Skills

Mechanical maintenance

Troubleshooting

Safety procedures

Maintenance documentation

Job description

About DayOne Data Centers

DayOne Data Centers is a Singapore-headquartered global digital infrastructure platform that develops and operates next-generation data centers across Asia Pacific and Europe.

Trusted by leading hyperscalers and businesses, the company engineers, builds, and operates high-capacity, AI-ready campuses with speed, scale, and reliability.

Key Responsibilities

• Perform mechanical maintenance on pumps, motors, valves, FWU/CRAH units, heat exchangers, and other mechanical systems.
• Conduct troubleshooting and repair under supervision, including component replacement.
• Support chilled water system troubleshooting/ restoration activities.
• Assist in developing and following MOPs, SOPs, and safety procedures for mechanical work.
• Conduct routine mechanical inspections and identify abnormal equipment conditions.
• Support emergency response during cooling or mechanical incidents.
• Maintain proper documentation, update maintenance logs, and comply with operational standards.
• Ensure adherence to safety practices including LOTO, chemical handling procedures.

DayOne is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

DayOne is a data center pioneer that develops and operates next-gen digital infrastructure for industry leaders who demand reliable, cost-effective and quickly scalable solutions.

Our cutting-edge facilities empower hyperscalers and large enterprises to achieve rapid deployment and enhance connectivity, driving transformative engagement and innovation as we shape the future of industries.

DayOne's data centers are located across key markets, including Singapore, Johor (Malaysia), Batam (Indonesia), Greater Bangkok, Hong Kong SAR, Tokyo, and beyond.

Headquartered in Singapore, DayOne’s leadership team draws on over two decades of industry experience and a track record of building Asia's largest data center business.

With DayOne, they have created the SIJORI (Singapore, Johor, and Riau Islands) market as a global data center hub.

As demand for strategically located and customized data centers rises, DayOne's entrepreneurial spirit, customer-first strategy, deep local partnerships, and agile executional capabilities uniquely position us to power the growth ambitions of leading hyperscalers and large enterprises around the world.