Plant Mechanic – On‑site Heavy Machinery Service

About the role

Big Chief Hire is looking for a hands‑on Plant Mechanic to travel across Queensland, servicing and repairing earthmoving and heavy machinery at client sites. You will work independently while representing the company’s high standards of service.

Key responsibilities

• Travel to client locations to service, maintain and repair excavators, loaders, bulldozers and other heavy equipment.
• Diagnose mechanical, hydraulic and electrical faults in the field and carry out repairs.
• Conduct safety inspections and ensure machinery complies with operational standards.
• Maintain accurate service records and document all repairs.

Required profile

• Certificate III in Heavy Commercial Vehicle Mechanical Technology, Plant & Machinery or a similar qualification.
• 1–3+ years of hands‑on experience with heavy machinery or field service work.
• Valid driver’s licence (HR licence or higher preferred) and ability to travel to multiple sites.
• Safety‑first mindset with a commitment to OH&S compliance.

Required skills

• Mechanical fault diagnosis on heavy equipment.
• Hydraulic system troubleshooting and repair.
• Electrical system diagnosis and maintenance.
• Use of field service tools and equipment.

What we offer

• Competitive industry pay.
• Fully equipped field service vans with state‑of‑the‑art tools.
• Variety of work across multiple sites.
• Career growth opportunities within a high‑performing, family‑owned business.
• Supportive team environment and ongoing training.