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 energetic surface mining environment.
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 –
dayshift only
(initially)
DIDO from Karratha / Port Hedland
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, EX**** Excavators, 24M Graders, WA**** 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

📌 Maintenance Supervisor - Cape Preston (Port Hedland)
🏢 National Group
📍 Port Hedland