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DayOne

MCR Mechanical Engineering Manager

LocationHong Kong
Work modeon-site
Typefull-time
SeniorityMid
Experience3+ yrs
Company size1,001–5,000 people
First seenOct 10, 2026 · 1d ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Must have7
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
Eligibility1
Willing to be on call 24 X 7
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.
About the role
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.
Responsibilities
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.
Requirements
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
Legal
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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