Data Center Operations Engineer (Singapore, Singapore)

Singtel Digital InfraCo’s RE:AI division is building Asia’s most advanced and sustainable AI infrastructure ecosystem. RE:AI enables enterprises, research institutions, and digital-native businesses to accelerate innovation through responsible, high-performance AI compute and connectivity solutions.

As an Operations Engineer supporting Singtel’s GPU-as-a-Service (GPUaaS) platform, you will contribute to the implementation, integration, and day-to-day operations of data centre environments that enable customers’ AI and High-Performance Computing (HPC) workloads. The role involves exposure to both physical data centre operations and supporting software systems used in GPU-oriented facilities. This role offers opportunities to build and deepen expertise in advanced data centre technologies for AI and HPC environments within a dynamic and continuously evolving operational setting.

• Respond to, attend to, and esc…?
• Perform hands‑on operations involving air‑cooled and liquid‑cooled systems, as well as electrical systems, within the data centre environment.
• Participate actively in continuous improvement initiatives for operational processes, with consideration of GPU‑oriented data centre requirements.
• Coordinate and obtain necessary security clearances for visitors and vendors accessing the GPUaaS data centre.
• Manage vendor activities and ensure compliance with Workplace Safety and Health (WSH) requirements and site regulations.
• Participate in scheduled or on‑call support outside standard working hours, including nights, weekends, and public holidays, as required.

• Monitor data centre facilities and infrastructure across upstream and downstream systems (e.g. power, cooling, leakage detection, environmental controls).
• Maintain and update data centre documentation, including preparation of operational and incident reports as required.
• Coordinate with internal and external stakeholders to resolve technical and process-related issues within the GPUaaS data centre.
• Ensure adherence to established Standard Operating Procedures (SOPs), Methods of Procedure (MOPs), and Emergency Response Procedures (ERPs).
• Apply knowledge of power and cooling requirements for air‑cooled and liquid‑cooled servers to support operational enhancements and capacity planning.
• Coordinate maintenance activities and system shutdowns with stakeholders and vendors to ensure system reliability and availability.
• Prepare monthly Facilities Management reports on overall data centre health and performance.
• Identify potential workplace safety and health risks within the data centre environment.
• Conduct visual inspections of servers and cooling distribution units.
• Perform server troubleshooting in collaboration with remote engineering teams.

• Diploma in Mechanical Engineering, Electrical Engineering, Building Services, or a related discipline.
• Broad understanding of data centre electrical and mechanical infrastructure, including fire safety systems, building management systems (BMS), equipment maintenance, and space planning.
• Experience in maintaining and operating data centre equipment, with emphasis on electrical and mechanical systems.
• Ability to work effectively both independently and as part of a team.
• Organised, adaptable, and able to respond to changing operational requirements and schedules.
• Demonstrated willingness to learn and develop skills in GPU-oriented and mission‑critical data centre technologies.

• Full suite of health and wellness benefits
• Ongoing training and development programs
• Internal mobility opportunities