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DayOne

MCR Mechanical Engineering Manager

DayOne Hong Kong Island, Hong Kong, China

IT Services and IT Consulting · 1,001-5,000 employees

Oct 09
engineering-manager Mid (2-5 yrs) Full-time China
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About the role

The Mechanical Engineering Manager is responsible for overseeing and performing maintenance, troubleshooting, and repairs on mission-critical mechanical systems like HVAC and chilled water equipment. They also supervise mechanical technicians, ensure safety compliance, and support emergency response efforts to maintain site uptime.

What they look for

Mechanical Maintenance Troubleshooting HVAC Systems Chilled Water Systems Data Center Operations Preventive Maintenance Team Supervision Safety Compliance LOTO Mechanical Repair Critical Infrastructure SOP Development Incident Response Mechanical Engineering System Stabilization

Requirements

Candidates must hold a Diploma or Degree in Mechanical Engineering and possess at least 3 years of hands-on experience in critical facility maintenance. Strong technical knowledge of mechanical infrastructure and the ability to work under pressure during critical incidents are essential.

Full 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.

Position Overview

The MCR Team is a specialised, in-house engineering organisation designed to provide rapid response, advanced troubleshooting, and self-perform maintenance for mission-critical systems across the data centre portfolio.

The Mechanical Engineer is responsible for overseeing and performing mechanical maintenance, troubleshooting, and repair activities across mission-critical mechanical systems in the data centre. This includes chilled water systems, FWU/CRAC equipment, CDU, pumps, valves, motors, heat exchangers, and other HVAC/mechanical infrastructure.  The Mechanical Engineer ensures safe execution of work, restoration of system functionality, and compliance with operational and safety standards, supporting site reliability and uptime.

Key Responsibilities

  • Perform mechanical maintenance, troubleshooting, and component replacement on CHW systems, pumps, motors, valves, FWU/CRAC equipment, and related mechanical systems.
  • Diagnose mechanical faults and conduct repair works on chillers, heat exchangers, CDU units, VFD-driven equipment, and mechanical control devices.
  • Assist in developing MOPs and SOPs for mechanical maintenance and ensuring all works are carried out safely and accurately.
  • Supervise mechanical technicians and ensure safe and proper execution of mechanical tasks.
  • Review maintenance quality, verify safety permits, and ensure accuracy of mechanical documentation and reporting.
  • Support emergency response during cooling or mechanical-related incidents and assist in system stabilisation and recovery.
  • Conduct routine mechanical inspections, identify risks, and raise early warnings to prevent system failure.
  • Ensure compliance with statutory requirements, internal standards, and maintenance logs, and keep mechanical service records up to date.

Candidate Requirements

  • Diploma/Degree in Mechanical Engineering or related discipline.
  • 3+ years hands-on experience in mechanical maintenance within data centres, critical facilities, or industrial mechanical systems.
  • Strong understanding of CHW systems, FWU/CRAC equipment, pumps, valves, motors, CDU, heat exchangers, etc. 
  • Ability to supervise and guide mechanical technicians during maintenance and repair works.
  • Good knowledge of safety practices including LOTO, chemical handling, and mechanical isolation procedures.
  • Proven experience in troubleshooting mechanical systems and implementing effective repair solutions.
  • Ability to work under pressure during critical incidents.
  • Willing to be on call 24 X 7 

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

If you're ready to grow with one of the fastest-moving companies in the data center industry, apply now and be part of our global journey.

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