Senior HVAC Engineer — Data Centre Commissioning Lead

DXN Solutions; Johor Bahru; On-site; MYR 60,000 - 120,000; Full time

Benefits offered by this job

Medical

Education support

Meal allowances

Travel allowances

Long service award

Job summary

DXN Limited is seeking an experienced HVAC Lead for their new Johor data centre project. You will oversee design reviews, install oversight, and commissioning of all HVAC systems to meet thermal and airflow specifications. You will mentor technicians and ensure documentation accuracy.

The role reports to the Mechanical Supervisor and requires hands-on guidance through FAT, installation, and validation phases, with experience in data centres or cleanrooms highly preferred.

Qualifications

• 5+ years of HVAC design, installation and commissioning experience
• Experience in data centre, mission-critical or cleanroom environments (minimum 2 years)
• Documented experience producing ASHRAE-compliant TAB reports and thermal performance documentation
• Ability to review and produce HVAC drawings in AutoCAD or equivalent
• Familiarity with ASHRAE Guidelines and MS 1525 and DOSH/UBBL regulations

Responsibilities

• Review and validate customer HVAC design packages (equipment schedules, duct layouts, P&IDs, heat load and psychrometric calculations)
• Direct the installation of CRAC/CRAH and supplemental cooling, ductwork and terminal devices
• Lead commissioning end to end: duct pressure testing, system balancing, VAV/VFD setup and BMS integration
• Validate thermal performance through thermal mapping and airflow visualization under simulated IT load
• Own the technical documentation: submittals, shop drawings, as-builts, commissioning and FAT handover packs
• Mentor HVAC Technicians and support HIRARC and method statements for HVAC activities

Skills

HVAC design

Commissioning

AutoCAD

ASHRAE standards

Thermal calculations

Education

Mechanical Engineering / Building Services / HVAC Engineering degree or diploma

Tools

AutoCAD

Job description

DXN Limited is seeking an experienced HVAC Lead for their new Johor data centre project. You will oversee design reviews, install oversight, and commissioning of all HVAC systems to meet thermal and airflow specifications. You will mentor technicians and ensure documentation accuracy.

The role reports to the Mechanical Supervisor and requires hands-on guidance through FAT, installation, and validation phases, with experience in data centres or cleanrooms highly preferred.