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Experienced
About the role
This role supports the daily running of Singtel's high-density data centre facilities that host the GPU-as-a-Service platform. You will work with the GPUaaS IT Operations team to keep infrastructure ready, reliable and available, and help maintain mission-critical mechanical, electrical and cooling systems, including advanced liquid cooling. It suits someone with solid HVAC operations experience in a mission-critical setting who is comfortable with the demands of AI and GPU workloads.
Associate Manager, Mechanical (Data Centre) job at Singtel, Tai Seng | WorkJio
Support the DC Operations Manager in keeping the data centre environment ready 24/7, maximising uptime, service reliability and compliance with internal and external SLAs.
Work with GPUaaS IT Operations teams to coordinate deployment, onboarding, relocation and decommissioning of GPU and IT equipment.
Carry out electrical load balancing assessments and failover analysis, and support air-cooled and liquid-cooled infrastructure operations.
Support deployment, operation and maintenance of liquid cooling infrastructure, including cooling distribution units, heat exchangers, piping networks, leak detection systems and related equipment.
Conduct routine operational and maintenance activities such as pressure testing, coolant quality monitoring, filter replacement and leak management.
Monitor system performance indicators including thermal efficiency, flow rates, leak detection systems and overall cooling effectiveness.
Ensure compliance with regulatory requirements, industry standards, workplace safety regulations, environmental requirements and operational procedures.
Identify operational risks related to leaks, condensation, corrosion, equipment failures and environmental conditions, and put in place appropriate mitigation measures.
Manage and oversee preventive and corrective maintenance programmes for mechanical and electrical systems, including CDUs, CRAUs, FCUs, pumps, valves, fire protection systems and associated infrastructure.
Plan and support data centre infrastructure projects such as upgrades, retrofits, capacity expansion and system enhancements, ensuring delivery within agreed scope, schedule and budget.
Conduct operational risk assessments, develop failure scenarios and maintain contingency and emergency response plans for critical infrastructure events.
Provide technical guidance and operational support to DC Operations teams in monitoring, operating and troubleshooting mechanical and electrical systems, with emphasis on liquid cooling technologies.
Support incident management activities, root cause analysis, corrective actions and continuous improvement initiatives.
Monitor and report key performance indicators related to infrastructure reliability, availability, energy efficiency and utilisation of power, cooling and rack capacity.
Drive initiatives to improve cooling efficiency, optimise energy consumption and support sustainability objectives.
Manage vendor and contractor activities, ensuring compliance
Requirements
Diploma or higher in Mechanical Engineering, Electrical Engineering, HVAC Engineering or a related technical discipline, or equivalent relevant experience
At least 6 years of relevant experience in HVAC operations and maintenance within mission-critical environments such as data centres, industrial facilities or similar high-availability operations
Experience operating or supporting high-density data centre environments; exposure to liquid cooling technologies is advantageous
Strong understanding of HVAC system design principles, operational performance optimisation and energy efficiency strategies
Familiarity with industry standards, regulatory requirements and best practices relating to HVAC systems, building infrastructure and data centre operations
Experience with Building Management Systems (BMS), Energy Management Systems (EMS) and related monitoring and control platforms
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