SEA Heavy Diesel is a family-owned workshop in Esperance, WA, with a reputation built on honest work, expert knowledge, and a team that genuinely looks out for one another. We service heavy vehicles, light commercial vehicles, marine diesel engines, and more — and we're growing.

We're looking for a qualified Diesel Mechanic to join our close-knit crew. In this role, you'll apply your trade skills across a diverse range of vehicles and systems, from routine servicing and logbook maintenance through to fault diagnosis and component repair. You'll work in a well-equipped workshop alongside experienced tradies who take pride in doing the job right.

This is a hands-on role suited to someone who is reliable, detail-oriented, and takes ownership of their work. Whether you're an experienced mechanic or a solid tradesperson looking for your next challenge, you'll find a workplace here that values your contribution and supports your growth.

Benefits

• Competitive salary of $80,000 to $90,000 per year
• Stable, full-time hours
• Tools & equipment provided, work with modern diagnostic technology and a well-stocked, well-maintained workshop
• Supportive team culture. Join a crew that genuinely has each other's back, in a family-owned business where you're a person, not a number
• Enjoy a variety of work, with a diverse range of vehicles and systems keeping your skills sharp
• Career development opportunities - we invest in our people, with opportunities to grow your skills and take on greater responsibility over time
• Work in Esperance and enjoy the laid-back lifestyle of one of WA's most beautiful coastal towns, with world-class beaches right on your doorstep

Task & responsibilities

• Carrying out scheduled servicing and logbook maintenance on light vehicles and light commercial vehicles in line with manufacturer specifications
• Diagnosing mechanical and electrical faults using scan tools and workshop diagnostics
• Repairing or replacing worn, damaged, or faulty components across a wide range of vehicle systems
• Servicing and repairing key systems including engine, transmission, brakes, suspension, steering, cooling, and exhaust
• Diagnosing and repairing basic automotive electrical systems including batteries, alternators, starters, lighting, and wiring circuits
• Working with modern ECU-controlled systems and onboard diagnostics
• Testing and adjusting vehicle systems to ensure safe and efficient operation following repairs
• Conducting road tests to confirm the quality and performance of completed work
• Performing tyre, wheel, and alignment checks and adjustments
• Inspecting vehicles for roadworthiness and safety compliance
• Completing job cards, service reports, and maintenance records accurately and thoroughly
• Communicating effectively with service advisors and customers regarding repair needs and recommendations
• Following manufacturer specifications, warranty procedures, and repair guidelines at all times
• Maintaining a clean, safe, and compliant workshop environment in accordance with WHS procedures
• Ensuring the safe use of lifting equipment, power tools, hoists, and hazardous materials

Qualification & experience

Qualifications

To be considered for this role, you will ideally hold one of the following, or have equivalent work experience in lieu:

• Certificate III in Heavy Commercial Vehicle Mechanical Technology (AUR31120)
• Certificate III in Mobile Plant Technology (AUR31220)
• Certificate III in Agricultural Mechanical Technology (AUR30420)
• Motor Mechanic (General) — ANZSCO 321211

Experience

• 3 to 5+ years of experience preferred
• Proven hands-on experience as a qualified diesel or heavy vehicle mechanic in a workshop environment
• Demonstrated ability to diagnose and repair mechanical, electrical, and electronic faults across a range of vehicle systems
• Experience using diagnostic scan tools and interpreting technical data, service manuals, and wiring diagrams
• Solid working knowledge of engine, transmission, braking, steering, suspension, and cooling systems
• Experience carrying out logbook servicing in line with manufacturer specifications
• Familiarity with ECU-controlled systems and modern onboard diagnostics
• Experience completing accurate service documentation, job cards, and maintenance records
• A current, valid driver's licence is essential