HVAC Tech Support / Technical Service Engineer

Technical Service Engineer/ HVAC Tech Support – HVAC WA & NSWFull-Time | Permanent

We are looking for experienced HVAC Technicians to join a leading organisation as Technical Service Engineers across Western Australia and NSW.

This is an excellent opportunity for someone with solid hands-on HVAC experience who is ready to transition into a more technical, support-focused role while continuing to utilise their industry knowledge and expertise.

You’ll become the go-to technical expert, supporting customers and service partners with troubleshooting, diagnostics, commissioning and technical advice across a range of advanced HVAC systems, including VRF and inverter technology.

The Role

Your responsibilities will include :
Providing expert technical support for HVAC and air conditioning systems
Supporting service partners with troubleshooting, diagnostics and technical queries via phone and email
Assisting with spare parts selection and providing technical advice
Participating in and supervising site visits and commissioning activities
Supporting successful project delivery and system performance
Managing and processing warranty claims




Delivering technical product training to internal teams and external service partners
Providing expert advice on VRF, inverter technology and wider HVAC systems

About You

To be successful in this role, you will have:
Certificate III in Refrigeration and Air Conditioning
Current Refrigerant Handling Licence – mandatory
Restricted Electrical Licence – mandatory
Robust experience in HVAC service, repairs and diagnostics
Proven fault-finding and technical troubleshooting skills
Strong knowledge of VRF and inverter technology
Excellent written and verbal communication skills
Robust problem-solving and time management abilities
The ability to confidently support customers and technical service partners

What’s on Offer
Company vehicle
Competitive salary
Excellent learning and development opportunities
Employee discounts across hundreds of retailers
Employee Assistance Program
Additional leave benefits
Supportive team environment
Excellent work-life balance
The opportunity to transition from a hands-on role into a technical engineering career

If you're an experienced HVAC Technician looking for a new challenge,

Opportunities are available in WA and NSW.
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📌 Hvac Tech Support / Technical Service Engineer Sydney
🏢 Sirius People
📍 Sydney