Dirt & Diesel Contracting is seeking a Plant Mechanic to join our team in Gunnedah, NSW. This is a full-time position based in office, where you will play a critical role in maintaining and servicing the heavy plant and equipment. you will be responsible for ensuring that all machinery operates at peak efficiency, minimising downtime and supporting the productivity and safety of our operations across the site.

What you'll be doing

Performing routine maintenance and servicing on heavy plant equipment, including excavators, dozers, loaders, haul trucks and ancillary equipment

Diagnosing mechanical faults and defects using diagnostic equipment and conducting repairs to minimise equipment downtime

Replacing worn components such as engines, transmissions, hydraulic systems and undercarriage parts

Conducting pre-start and post-operation inspections of plant and equipment to identify potential issues before they become critical

Maintaining detailed records of all maintenance work completed, spare parts used and equipment service histories

Operating plant and equipment for testing and repositioning purposes as required

Collaborating with site supervisors and other team members to prioritise maintenance tasks and ensure compliance with operational requirements

Adhering to all safety protocols and procedures to maintain a safe working environment

Contributing to continuous improvement initiatives by identifying equipment reliability issues and recommending solutions

What we’re looking for

A COP in mobile plant. hands-on experience working as a mechanic in the mining, construction or related heavy industry

Demonstrated experience maintaining and repairing heavy mobile plant equipment, including excavators, haul trucks and earthmoving machinery

Sound knowledge of hydraulic and electrical systems commonly found on mining and construction plant





Proficiency in the use of mechanical tools, diagnostic equipment and workshop technology

A valid driver's licence and willingness to operate plant and equipment as required

Excellent attention to detail and strong mechanical aptitude

The ability to work independently and take responsibility for your assigned tasks, whilst contributing positively to a team environment

Strong communication skills and the ability to liaise effectively with supervisors, operators and colleagues

Commitment to safety and compliance with all workplace health and safety requirements

What we offer

At Dirt & Diesel Contracting, we value the contributions of our skilled workforce and offer competitive remuneration and conditions. We provide a full-time, stable employment opportunity within a growing contracting business. We are committed to creating a safe, respectful and inclusive workplace where our employees can develop their skills and build rewarding careers. We offer on-site facilities and support a collaborative team culture where safety, professionalism and quality workmanship are prioritised. We encourage applications from experienced mechanics who are keen to contribute to a successful operation.

About us

Dirt & Diesel Contracting is an established contracting business serving the mining, resources and energy sectors. We pride ourselves on delivering high-quality plant maintenance and contracting services that keep operations running smoothly and efficiently. Our team is comprised of skilled professionals committed to safety, reliability and customer satisfaction. We are based in Gunnedah, NSW, and work across the region supporting mining operations. Our success is built on the expertise and dedication of our workforce, and we are committed to fostering a workplace culture that values technical skill, teamwork and professional development.

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📌 Plant mechanic (Gunnedah)
🏢 Dirt & Diesel Contracting
📍 Gunnedah