Senior HVAC Service Technician

About the role

Johnson Controls is seeking an experienced Senior HVAC Service Technician to join its Perth service team. You will work on a wide range of commercial HVAC and refrigeration systems, delivering high‑quality service to mission‑critical facilities.

Key responsibilities

• Perform preventative and routine maintenance on commercial HVAC equipment, including chillers and central plant systems.
• Conduct advanced fault finding, diagnostics, repairs, overhauls and system optimisation.
• Commission new installations, small commercial upgrades and work with Johnson Controls Building Management Systems (BMS).
• Read and interpret technical drawings, prepare quotations for minor works and manage on‑site projects.
• Build strong customer relationships through reliable service delivery.

Required profile

• Significant experience servicing commercial HVAC systems.
• Strong knowledge of chillers, commercial air‑conditioning and central plant equipment.
• Refrigeration or Electrical Trade Qualification with HVAC experience.
• Restricted Electrical Licence and current Australian driver’s licence.
• Excellent fault‑finding, troubleshooting and communication skills.

Required skills

• Commercial HVAC systems
• Chillers and refrigeration equipment
• Building automation and BMS
• Advanced fault‑finding and diagnostics
• Electrical trade skills and restricted electrical licence

What we offer

• $5,000 sign‑on bonus
• Access to industry‑leading technology and premium equipment
• Autonomy to manage your own service portfolio
• Flexible work‑life balance and supportive team culture
• Structured technical training, manufacturer certifications and career development pathways