Commissioning Technician – Thermal

Atlas Professionals; Melbourne; On-site; AUD 85,000 - 120,000; Full time

Job summary

Atlas Professionals is partnering with a leading global provider to recruit an experienced Commissioning Technician - Thermal in Melbourne. This hands-on role leads end-to-end commissioning of precision cooling systems across data centres and critical infrastructure projects, including CRAC, CRAH, FWU and CDU, ensuring safe, reliable and efficient operation.

You will work with project teams from testing through handover.

Qualifications

• Must have Mechanical Trade Qualification with refrigeration/HVAC focus
• Refrigerant handling licence and electrical licence required
• Proven experience commissioning or servicing precision cooling/thermal systems
• Strong understanding of CRAC/CRAH/fan wall and liquid cooling technologies
• Experience with electrical controls, fault diagnosis and equipment testing
• Experience on data centre, industrial or mission-critical projects is advantageous

Responsibilities

• Lead and execute L2, L3 and L4 commissioning activities across CRAC, CRAH, FWU, CDU and TWU systems
• Carry out equipment testing, system verification, fault diagnosis and commissioning through to handover
• Collaborate with project managers and contractors to ensure successful project delivery
• Troubleshoot mechanical, refrigeration, electrical and control system issues during commissioning
• Monitor progress, identify issues and communicate updates to stakeholders
• Travel to project sites as required, including overnight stays

Skills

Mechanical trade qualification

Refrigerant handling licence

Electrical licence

Precision cooling systems

CRAC/CRAH knowledge

Data centre experience

Education

Mechanical Trade Qualification in refrigeration/HVAC or related discipline

Job description

We are partnering with a leading global provider of critical infrastructure and cooling solutions to recruit an experienced Commissioning Technician - Thermal based in Melbourne.

This is a hands‑on technical role responsible for the end-to-end commissioning of precision cooling systems, including Computer Room Air Conditioning (CRAC), Computer Room Air Handlers (CRAH), Fan Wall Units (FWU) and Coolant Distribution Units (CDU), across major data centre and critical infrastructure projects.

Working alongside experienced project and commissioning teams, you will take ownership of commissioning activities from initial testing through to final handover, ensuring critical cooling systems operate safely, reliably and efficiently.

The successful candidate will bring strong technical experience in HVAC, refrigeration and precision cooling systems, with the ability to work independently across complex, large-scale project sites.

We are partnering with a leading global provider of critical infrastructure and cooling solutions to recruit an experienced Commissioning Technician - Thermal based in Melbourne.

This is a hands‑on technical role responsible for the end-to-end commissioning of precision cooling systems, including Computer Room Air Conditioning (CRAC), Computer Room Air Handlers (CRAH), Fan Wall Units (FWU) and Coolant Distribution Units (CDU), across major data centre and critical infrastructure projects.

Working alongside experienced project and commissioning teams, you will take ownership of commissioning activities from initial testing through to final handover, ensuring critical cooling systems operate safely, reliably and efficiently.

The successful candidate will bring strong technical experience in HVAC, refrigeration and precision cooling systems, with the ability to work independently across complex, large-scale project sites.

Key Responsibilities

• Lead and execute L2, L3 and L4 commissioning activities across CRAC, CRAH, FWU, CDU and TWU systems.

• Carry out equipment testing, system verification, fault diagnosis and commissioning through to handover.

• Work closely with project managers, commissioning managers and contractors to ensure successful project delivery.

• Troubleshoot mechanical, refrigeration, electrical and control system issues during commissioning.

• Monitor commissioning progress, identify technical issues and communicate updates to project stakeholders.

• Travel to project sites as required, including overnight or extended stays.

About You

• Mechanical Trade Qualification in refrigeration, HVAC or a related discipline.

• Refrigerant Handling Licence and relevant Electrical Licence.

• Proven experience commissioning or servicing precision cooling, HVAC or thermal management systems.

• Strong technical understanding of CRAC, CRAH, fan wall and liquid cooling technologies.

• Experience with electrical controls, refrigeration systems, fault diagnosis and equipment testing.

• Previous experience working on data centre, industrial or mission‑critical infrastructure projects highly regarded.