HVAC Design Lead - Data Centre Cooling

About the role

A fast-growing data centre developer with an active pipeline across Southeast Asia is hiring a senior HVAC Design Lead based in Singapore. The role covers designing, optimising and scaling cooling infrastructure for hyperscale AI and cloud compute workloads, owning the full cooling design lifecycle from heat rejection plant to rack-level cooling, with a focus on reliability, sustainability, PUE and WUE efficiency and speed to market.

Key responsibilities

• Author system topology and detailed schematics for air-cooling and liquid cooling applications, from heat rejection plant to rack level
• Design to meet control philosophy and continuous operation requirements across cooling technologies
• Perform capacity planning for dynamic AI workload power demand, including thermal buffer and fast response design
• Right-size and select cooling equipment to meet peak demand, modularity and scalability needs
• Configure and sequence operations to achieve optimum PUE and WUE targets
• Perform CFD modelling, hydraulic calculations, hot air re-entrainment analysis, noise simulation and wind studies
• Standardise build-to-suit design templates to shorten design cycles and improve cost targets
• Future-proof designs for evolving AI and high-density workloads

Required profile

• 15+ years in data centre detail design, with 5+ years at principal engineer or MEP Manager level
• Hyperscale data centre experience required
• Mechanical Professional Engineer (ACMV) with practising certificate preferred
• Bilingual in English and Mandarin
• Open to regional travel based on project requirements

Required skills

• Direct and indirect evaporative cooling, closed circuit heat exchange, dry coolers, magnetic bearing chillers, cold plate and immersion liquid cooling
• Chiller plant operation systems, sequence of operation and PLC flow charts
• Energy modelling for Green Mark Data Centre
• CFD modelling, hydraulic calculations and thermal simulation
• Proficiency in AutoCAD; LEED credentials preferred

The vacancy is advertised by Space Executive, an executive search firm with offices in Singapore and London. Candidates apply directly through the recruiter's LinkedIn page.