Workshop Supervisor – Diesel Mechanic

We are an established Transport Company based in the western suburbs, and we are currently seeking an experienced hands‑on Workshop Supervisor – Diesel Mechanic / Trailer Mechanic to join our maintenance team.

This role is focused on managing/actioning the servicing, repairs and preventive maintenance of our semi-skel trailer fleet and compliance requirements as per NHVR standards. The successful candidate will be hands‑on (half on the tools/half administration), organised, tech‑savvy and able to work independently.

Key responsibilities

• Manage/action the services, repairs and maintain semi-skel trailers, including preventive maintenance, inspections and ABC servicing.
• Manage small on site maintenance team
• Perform fault finding and repairs across air, electrical, hydraulic and mechanical systems, including airbags, bearings, mudguards and auxiliary components.
• Coordinate scheduled maintenance, breakdowns and repairs, ensuring work is completed safely, efficiently and within required timeframes.
• Maintain 100% accurate maintenance records and service history in Gearbox.
• Use Gearbox and other digital systems to manage maintenance activities, work orders, job cards and service records.
• Coordinate workshop activities, service sheets and weekly parts ordering.
• Ensure GPS tracking and onboard skel systems are operational and maintained.
• Identify, assess and manage maintenance and workplace risks, including completing risk assessments, work instructions and corrective actions.
• Support WHS, NHVR and maintenance compliance requirements and ensure safety issues are reported and closed out.

About you

• Relevant mechanical qualification/trade certification preferred but not essential.
• Solid understanding of NHVR regulations and compliance requirements.
• Demonstrated experience with semi-skel trailers, heavy trailers or similar equipment.
• Strong mechanical fault‑finding and troubleshooting skills.
• Experience with air, hydraulic and electrical systems.
• Tech‑savvy and confident using digital maintenance systems, with experience using Gearbox highly desirable.
• Strong understanding of risk management, safety and compliance.
• Ability to work independently, prioritise tasks and take ownership of maintenance activities.
• Good communication and organisational skills.
• Heavy vehicle licence is highly desirable.

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