Position: Heavy Diesel Mechanic – Workshop & Field Service
Location: Karratha, WA – KMH yard
Roster: Monday–Friday, 6am–6pm depending on workload; occasional weekends as required
Rate: Up to $85 per hour + super on all hours worked
Employment Type: Casual

Position overview

At EMS we value our team members and strive to create an environment where everyone can thrive. We're not just another mining company; we're a family that takes pride in our work and our people.

EMS is chasing an experienced Heavy Diesel Mechanic for a Karratha-based role, working from the KMH yard and supporting field service requirements across the surrounding region.

Working across a mixed fleet of earthmoving equipment and trucks, you’ll tackle scheduled servicing, diagnostics, breakdown repairs and machine and component rebuilds. Equipment includes Caterpillar, Bell, Volvo, Hitachi, Isuzu, Hino and Toyota.

This is an opportunity for an experienced fitter who enjoys varied workshop and field work, can work independently and takes pride in keeping equipment safe, reliable and ready for work.

Benefits of working for EMS

- Karratha-based role working from the KMH yard
- Monday–Friday roster with occasional weekend work as required
- Varied work across workshop maintenance and field service
- Hands-on exposure to a mixed fleet of heavy plant and trucks
- Discounts at over 400 retailers around Australia
- Regular Team/Family events – Golf Days, Paintballing, Go-Karting and EMS family days

About the role

- Complete scheduled servicing and preventative maintenance at the KMH yard and on customer sites
- Diagnose and repair faults across engines, hydraulics, electrical systems and drivelines
- Attend field service breakdowns across Karratha and the surrounding region
- Carry out on-hire and off-hire inspections, repairs and condition reporting
- Complete machine and component rebuilds,



including engines, transmissions, final drives, pumps and cylinders
- Maintain accurate service reports, inspection records and maintenance documentation
- Work closely with the maintenance, planning and parts teams to minimise equipment downtime
- Ensure all work meets safety, quality and site requirements

To be successful in this role you will need the following

- AU/NZ Heavy Diesel Trade Certificate or equivalent recognised qualification
- 2+ years’ heavy diesel experience across plant, earthmoving equipment and truck fleets
- 2+ years’ breakdown and field service experience
- Experience with machine servicing and machine and component rebuilds
- Solid diagnostic and fault-finding skills, including OEM diagnostic software
- Experience with on-hire and off-hire inspections and condition reporting
- Valid Australian manual driver’s licence; HR licence highly regarded
- Ability to work independently and communicate professionally with customers
- Availability for regional field work and occasional weekends
- Ability to pass a pre-employment medical
- Unrestricted Australian working rights

Ready to Join Us?
Apply now or send your resume to *******@elphinstonegroup.net.au. Feel free to call 0499 500 *** for a confidential discussion today.
Discover EMS
Elphinstone Mechanical Services (EMS) is extremely proud to remain a fully owned and operated Western Australian business. From humble beginnings, EMS has grown and adapted always with our team front of mind. Every person on our team has been chosen for their commitment, skills, approach to safety and positive attitude, ensuring we are a leader in our industry.
At EMS our people are not just our promise; they are our priority. We choose every member of our team for their commitment, skills, approach to safety and positive attitude.
SAFETY – COMMUNICATION – RESPECT – INTEGRITY – PROSPERITY – TEAMWORK

📌 Heavy Diesel Mechanic - Karratha Residential (Perth)
🏢 Elphinstone Mechanical Services
📍 Perth