Mechanical Fitter - TI

Heavy Diesel / Plant Mechanic – Workshop Role 

Locations:  Maddington WA
Employment Type: Full-Time | Workshop & Field-Based 
Competitive Pay | Modern Fleet | Supportive Team Culture 

About the Role 

Downer is seeking skilled Heavy Diesel Mechanics, Technicians, or Fitters to join our team in Maddington, WA. This role offers a mix of workshop and field-based responsibilities, maintaining and repairing heavy plant machinery and trucks. No two days are the same—ideal for those who thrive in a fast-paced, safety-first environment. 

What’s on Offer 

• Competitive hourly rates based on experience, plus overtime 
• Hands-on work with modern trucks, plant, and equipment
• Ongoing training and development in a supportive team environment
• Strong commitment to Zero Harm and environmental responsibility
• Inclusive, team-focused culture with regular team-building activities 

Key Responsibilities 

• Perform servicing, repairs, and maintenance on heavy plant machinery and trucks
• Provide breakdown support and fault diagnostics in the field
• Ensure all work meets Downer’s safety and operational standards
• Collaborate with a skilled team while also working independently 

What You’ll Bring 

• Trade qualification in Heavy Diesel Mechanics, Plant Mechanics, or Fitting (essential)
• Strong hydraulic knowledge and fault-finding skills
• Experience with mobile plant, trucks, and heavy equipment
• Auto electrical experience (highly regarded)
• HR and Forklift licences (desirable)
• A proactive attitude and commitment to safety