Earn great money. Enjoy an even-time roster. Build a career that lasts.

MacKellar is looking for experienced Heavy Diesel Fitters / Plant Mechanics to join our established maintenance team at Middlemount Mine.

This is a permanent opportunity for tradespeople who want more than their next swing — with a stable project, modern equipment, a strong maintenance team and plenty of opportunity to grow with a leading Australian mining contractor.

What’s in it for you?

- $82.16/hr + super, based on experience
- Super paid on every rostered hour
- Permanent full-time employment
- 7/7 rotating day and night roster
- Overtime opportunities
- Camp accommodation and meals provided
- Tools, uniform and PPE supplied
- Salary packaging and novated leasing options
- Long-term work on an established mining operation
- Supportive team and well-equipped workshop

The Prospect You'll be part of a dedicated maintenance crew responsible for keeping a large fleet of heavy mining equipment secure, reliable and ready for production.

Your role will cover a broad range of maintenance activities, including:

- Planned servicing and preventative maintenance
- Diagnosing mechanical faults and breakdowns
- Component change-outs, repairs and rebuilds
- Major maintenance and corrective repairs
- Equipment inspections and fault identification
- Completing work orders and maintenance records
- Working closely with operators, supervisors and fellow trades
- Maintaining a safe, clean and organised work area





You'll have the opportunity to work across a well-maintained fleet while developing your skills within a long-term operation.

What You’ll Bring

We're looking for a qualified tradesperson with strong heavy mobile equipment experience and a practical approach to maintenance.

You'll need

- Australian-recognised Heavy Diesel Fitter or Plant Mechanic trade qualification
- Previous experience working on heavy earthmoving or mining equipment
- Strong mechanical diagnostics and fault-finding capability
- Current Standard 11 and Coal Board Medical, or ability to obtain
- Current Queensland Driver Licence
- A strong commitment to safety and working as part of a team

Why MacKellar? For more than 60 years, MacKellar has supported Australia's mining and resources industry, building long-term partnerships and investing in the people and equipment behind our operations.

We offer a genuine pathway for tradespeople looking to establish a long-term mining career, with opportunities to develop, progress and take on recent challenges as the business grows.

If you're an experienced Heavy Diesel Fitter looking for a permanent role, great earning potential and a roster that gives you genuine time off, we'd like to hear from you.

Apply Now Join MacKellar's Middlemount maintenance team and take the next step in your career.

If you're an experienced Heavy Diesel Fitter looking for a permanent role with excellent pay, a 7/7 even time roster and the security of a long-term mining operation, we'd love to hear from you.

📌 Diesel Fitter (Mackay)
🏢 MacKellar
📍 Mackay