At Downer we plan, create and sustain. Downer is the leading provider of integrated services in Australia and New Zealand. Through trusted relationships and world leading insight we work closely with our customers to design, build and sustain assets, infrastructure, and facilities.
Heavy Vehicle / Mobile Plant Mechanic
Competitive Market Rates + Overtime + Night Shift Loading
Downer is seeking an experienced Heavy Vehicle / Mobile Plant Mechanic to join our Eastern Creek operations. This is a diverse and rewarding role offering a mix of workshop-based maintenance and field service work, supporting critical asphalt and mobile plant assets across New South Wales.
Working on a highly specialised fleet, you'll play a key role in ensuring our equipment remains safe, reliable and operational across major infrastructure projects. If you enjoy variety, problem-solving and working on a range of heavy vehicles and plant equipment, we'd love to hear from you.
About the Role
This position is primarily day shift, with flexibility required for occasional night works, breakdown support and short-term travel as operational needs arise.
You'll be a hands‐on mechanic who can work independently while also contributing to a skilled and safety-focused team environment.
Key Responsibilities
Service, maintain and repair:
Asphalt pavers
Tack coaters
Profilers
Skid steers
Steel and multi‐tyre rollers
Trucks and trailers
Diagnose and repair mechanical, hydraulic and electrical systems (12V-24V)
Complete fabrication, refurbishment and component repair work, including:
Refurbishing sweeper brooms
Replacing cutting edges
Repairing milling drums
Attend field breakdowns and carry out onsite repairs when required




Ensure all work is completed safely and in accordance with Downer's Zero Harm standards
Work collaboratively within a skilled and safety-focused team
Shifts, Travel & Overtime
Day Shift (majority): Monday to Friday, 6:00am - 2:30pm
Night Shift (as required): Sunday to Thursday, 7:00pm - 3:30am
50% night shift loading
Overtime opportunities available
Rare weekend breakdown support when required
Short-term travel across NSW, including occasional overnight stays (2-3 nights)
Company vehicle may be provided for the right candidate
About You
Certificate III in Heavy Commercial Vehicle Mechanical Technology, Mobile Plant Technology, or equivalent trade qualification
Current C Class Driver Licence
Experience maintaining and repairing heavy vehicles, mobile plant or civil construction equipment
Strong diagnostic capability across hydraulic, mechanical and electrical systems
Fabrication and repair experience
Ability to work autonomously and as part of a team
Robust commitment to safety
Highly regarded:
HR Licence
Forklift Licence
Auto electrical experience
Experience within the asphalt, road construction or civil infrastructure sectors
What We Offer
Competitive market rates
Overtime and night shift loading opportunities
Exposure to specialised asphalt and mobile plant equipment
Ongoing training, development and career progression
Stable, long-term employment within a leading infrastructure business
Strong Zero Harm safety culture
Supportive and collaborative team environment
Online profile & CV (searchable by clients)
Ensure that your online CV is up to date as employers are always searching our online CV database of candidates.
A member of our staff is ready to help you with any questions you may have.
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📌 Heavy Vehicle / Mobile Plant Mechanic (Sydney)
🏢 Firstnationsjobs
📍 Sydney