Joyce Mechanical Services is seeking an experienced High Voltage Electrician to join our Mackay-based team.
This role offers a solid mix of workshop rebuild work on Komatsu 830E haul trucks, combined with onsite maintenance and shift relief support at Dawson Mine.
We are specifically looking for candidates with proven experience on Komatsu electric drive haul trucks.
What's on Offer
Competitive rates and full-time stability
Workshop-based rebuild projects on Komatsu 830E trucks
Ongoing field service maintenance and shift relief opportunities
Supportive team culture with a strong safety focus
Career growth and training opportunities
Weekly coffee van
Monthly toolbox lunches and BBQs
The Role
Carry out rebuilds, maintenance, diagnostics, and repairs on Komatsu 830E haul trucks
Provide onsite field service support and breakdown assistance as required
Complete fault-finding and troubleshooting on HV systems and electric drive components




Work both in the Mackay workshop and onsite in a mining environment
Maintain high safety and workmanship standards at all times
About You
QLD Electrical Licence and High Voltage certification
Experience working on Komatsu 830E/930 haul trucks or similar electric drive trucks is essential
Minimum 1–2 years' experience on Komatsu electric drive haul trucks
Strong fault-finding and diagnostic skills
Flexible and available for both Monday–Friday workshop work and required 7/7 roster coverage
Current LVR and CPR
Current Coal Board Medical and Standard 11 highly regarded
Safety-focused with a strong work ethic
Full Australian working rights required
Join Joyce Mechanical Services and become part of a high-performing team delivering quality outcomes across workshop rebuilds and mine site maintenance.

📌 High Voltage Electrician – Mackay Workshop (Queensland)
🏢 Joyce Mechanical Services
📍 Queensland