Competitive Pay + Overtime | Modern Fleet & Equipment | Career Growth & Supportive Team

Heavy Diesel Mechanic – Workshop & Field Role

Location: Maddington, Perth| Employment Type: Full time | Workshop & Field-Based

About the Role:

Downer is seeking skilled Heavy Diesel Mechanics, Technicians, or Fitters to join our team in Perth. This hybrid opportunity offers the best of both worlds: hands-on workshop maintenance and diverse field service work. One day you’ll be in the workshop, the next you’ll be on site diagnosing faults and keeping critical projects moving.

We are especially interested in candidates who are versatile to travel when required, and who thrive both in a team setting and when working independently.

If you enjoy problem‑solving, value safety and quality, and want to work with a supportive, cooperative team; this role is for you.

What We Offer
Competitive hourly rates based on experience, plus overtime opportunities
Hands-on work with a modern, well-maintained fleet of trucks and plant
Ongoing training and career development in a supportive environment
A strong safety-first culture with Zero Harm as a core value
Inclusive and team-focused culture with regular team activities




Key Responsibilities
Service, repair, and maintain heavy plant machinery and trucks
Diagnose and resolve breakdowns in the field
Travel to various sites when required
Ensure all work meets Downer’s high safety and operational standards
Collaborate within a skilled team while also being able to work unsupervised
About You
Trade qualification in Heavy Diesel Mechanics, Plant Mechanics, or Fitting (essential)
Strong hydraulic knowledge and diagnostic skills
Experience with mobile plant, trucks, and heavy equipment
Auto electrical experience (highly regarded)
Valid licences to support the role (HR and Forklift desirable)
Strong team player with the capability to operate independently
A proactive approach and commitment to safety
Willing to be part of on call roster - 1 week out of 7
Apply Now

Apply below with your resume and cover letter outlining why you would be a great fit for this role!

At Downer, we believe in potential. Even if your experience doesn't perfectly align, we encourage you to apply-you might be exactly who we’re looking for.

📌 Heavy Diesel Mechanic Maddington
🏢 Downer Group
📍 Maddington