Apply now Share National Group
- You're not just a number. Take the next step in your mining career with an industry leader. We're seeking a skilled and motivated Maintenance Supervisor to join our team at Sino Iron mine, working on one of the best fleets in the business across a dynamic surface mining environment. This is a great prospect to lead from the front, drive operational excellence, and be part of a company where people matter.

About Us
National Group is one of Australia's leading mining services companies. For three decades, we've been a key supplier of heavy-earthmoving equipment and end-to-end services to some of the world's largest mining companies. Through our National Plant & Equipment division, our fleet operates across Australia’s biggest mine sites, powering the production of iron ore, coal, gold, and more. Roster and Conditions
• 8 days on / 6 days off roster
• FIFO from Perth, WA – all flights included
• Accommodation and meals provided
• Great team culture and long-term opportunities within a growing business The Role You’ll Be Responsible For
• Supervise and coordinate a team of HD Mechanics and servicepersons
• Schedule, allocate, and monitor maintenance tasks




• Drive safety and compliance through effective leadership and field presence
• Lead preventative maintenance and scheduled servicing on fleet of D11 dozers, 830E & 793 Dump Trucks, EX5600 Excavators, 24M Graders, WA1200 Loaders and 785 & 777 Water Trucks
• Support planning, breakdown response, and continuous improvement initiatives
• Accurate recording and reviewing of maintenance data via AMT
• Maintain detailed maintenance records and ensure reporting accuracy

What You'll Need
• Trade-qualified in relevant mechanical field (Diesel Fitter / Plant Mechanic or similar)
• Proven experience as a Maintenance Supervisor in an open-cut mining environment
• S26 Statutory Supervisor qualification
• HR driver’s licence preferred
• Strong working knowledge of CAT surface mobile equipment
• Ability to lead a team, communicate professionally, and liaise confidently with clients and management
• Clean shaven or willing to wear a PAPR mask as required

What We Offer
• Competitive salary package
• Work with a 100% Australian-owned company that values people, not just numbers
• Big-company capabilities, small-company feel Apply now Share

📌 Maintenance Supervisor (Australia)
🏢 National Group
📍 Australia