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 workplace. This is a great opportunity 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 - Cape Preston (Western Australia)
🏢 National Group
📍 Western Australia