Shift Technician, Critical Infrastructure Operations

About DayOne Data Centers

Location: Klang Valley, Selangor, Malaysia (On-Site)

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

As Shift Technician, Critical Infrastructure Operations, you'll monitor and maintain the electrical and mechanical plant that powers and cools our hyperscale data center in the Klang Valley, Selangor. You'll work hands-on with power distribution, generators, uninterruptible power supply (UPS) systems, chillers, cooling towers, and fire suppression systems to maintain uptime. This is a full-time facilities engineering role, not an information technology, networking, or server support role. You'll work rotating shifts, including nights, weekends, and public holidays, responding to alarms and incidents and supporting clear handovers between shifts.

Responsibilities

Keep Critical Plant Within Operating Parameters

• Monitor and maintain electrical and mechanical plant to support reliable power and cooling.
• Inspect plant and equipment regularly to verify operating condition.
• Perform preventive maintenance to original equipment manufacturer and DayOne standards.

Track Power and Cooling Performance

• Use building management systems (BMS) and monitoring tools to oversee facility power and cooling.
• Record monitoring data to maintain a clear view of system performance.
• Analyse monitoring data to identify conditions requiring attention and keep systems within operating parameters.

Respond to Alarms and Record the Outcome

• Respond to alarms and incidents, troubleshooting and carrying out repairs to maintain uptime.
• Manage and escalate incidents under established protocols, coordinating vendors and service providers for technical support and repairs.
• Document incidents, maintenance activities, and repairs in the maintenance management system to preserve an accurate operational record.

Maintain Safe and Consistent Shift Operations

• Follow safety procedures and participate in drills and training to support safe site operations.
• Report safety hazards and incidents promptly to the Shift Lead so they can be addressed.Lead.
• Coordinate handovers with fellow technicians and support staff, and contribute to team meetings and improvement initiatives to maintain continuity across shifts.

Requirements

Technical Skills

• Hands-on experience operating and maintaining electrical or mechanical plant, such as generators, UPS, switchgear, chillers, cooling towers, or fire suppression systems, systems. Experience in a data center, power plant, utility, oil and gas facility, marine engine room, or similar round-the-clock critical environment.
• A bachelor's degree or diploma in Electrical, Mechanical, or Power Engineering, or a related technical discipline.
• Knowledge of safety protocols, compliance standards, and round-the-clock shift operations, with availability for rotating shifts including nights, weekends, and public holidays.

Soft Skills

• Coordinate with fellow technicians and support staff to provide clear handovers between shifts.
• Keep incident and maintenance records clear enough for colleagues to understand the work performed.
• Support teammates across the shift workload and contribute to team meetings and improvement initiatives.

Nice to Have

• Experience with BMS or data center infrastructure management (DCIM) platforms.
• Exposure to commissioning or integration of new plant and equipment.

Why join DayOne?

The sites you'll work on are live and critical. You'll build real expertise on real infrastructure. DayOne is growing across nine markets, which means there's room to move, across sites, across countries, across roles, if you want it.

We are an Equal Opportunity Employer

DayOne is an equal opportunity employer committed to building a diverse and inclusive workplace. We welcome applications from all qualified individuals regardless of race, ethnicity, gender, sexual orientation, age, disability, religion, or any other characteristic protected by applicable law. We believe that diverse perspectives strengthen our team and drive better outcomes for the communities we serve worldwide.