Diesel Technician: End-to-End Truck & Machinery Repair

Zeolla Solutions; Melbourne; On-site; AUD 71,000 - 87,000; Full time

Job summary

Daffy Contracting Pty Ltd in Sunshine North, Victoria, is seeking a qualified Diesel Motor Mechanic to join our workshop team. You will diagnose faults in trucks and heavy machinery, perform repairs and scheduled servicing, and test vehicles before delivery to customers.

This full-time role, based in Sunshine North, requires strong diagnostic skills, the ability to work independently or in a small team, and a safety‑minded, quality‑driven approach to workshop work.

Qualifications

• Certificate III in Heavy Commercial Vehicle Mechanical Technology or equivalent.
• Certificate IV in Automotive Mechanical Diagnosis or equivalent.
• 1–2 years' experience servicing and repairing diesel-powered trucks or heavy machinery.
• Strong diagnostic skills across engines, transmissions, steering, driveline and electrical systems.
• Ability to read and apply service manuals, wiring diagrams and manufacturers' specifications.

Responsibilities

• Detect and diagnose mechanical and electrical faults in engines, drivelines and related systems of trucks and heavy machinery.
• Use computerized diagnostic equipment to identify faults and verify repairs.
• Dismantle/inspect engine assemblies, transmissions and other components for wear or damage.
• Repair or replace worn parts and reassemble components per manuals and specs.
• Carry out scheduled maintenance and tune-ups to keep vehicles compliant and running smoothly.
• Coordinate work with staff and subcontractors to move multiple jobs efficiently.
• Keep accurate records of faults, work performed and parts used.

Skills

Diagnostic skills

Manual reading of service manuals

Clear communication

Independence & team coordination

Education

Certificate III in Heavy Commercial Vehicle Mechanical Technology

Certificate IV in Automotive Mechanical Diagnosis

Tools

Diagnostic software

Test equipment

Job description

Daffy Contracting Pty Ltd in Sunshine North, Victoria, is seeking a qualified Diesel Motor Mechanic to join our workshop team. You will diagnose faults in trucks and heavy machinery, perform repairs and scheduled servicing, and test vehicles before delivery to customers.

This full-time role, based in Sunshine North, requires strong diagnostic skills, the ability to work independently or in a small team, and a safety‑minded, quality‑driven approach to workshop work.