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 

Ready to Join Us? 

Click Apply Now to submit your application. 
For more information, contact Tya Abdat – High Volume Recruitment Advisor at tya.abdat@downergroup.com 

At Downer, we believe in potential. Even if your experience doesn’t perfectly match, we encourage you to apply—you might be the perfect fit.