An established national civil contractor is looking for an experienced Heavy Diesel Fitter to join their fleet maintenance team in a permanent position.
This is not your standard workshop-based mechanic role.
Approximately95% of your time will be spent in the field, travelling across Victoria and interstate to support equipment operating on major civil and infrastructure projects.
You'll work across a genuinely varied fleet, from heavy road transport through to earthmoving equipment, vacuum trucks and specialist directional drills.
What's on offer
Permanent position with a national civil contractor
Overtime rates and penalties on top
Living-away-from-home and applicable travel allowances
Flights and accommodation covered when working away
Approximately 95% field/site-based work
Travel throughout Victoria and interstate
Project rotations can include approximately 2 weeks away / 3 days off or 3 weeks away / 4 days off
Supportive, down-to-earth team and strong company culture
The work
You'll be responsible for keeping a diverse fleet maintained and operational across project sites.
Your duties will include:
Scheduled servicing and preventative maintenance
Mechanical repairs and diagnostics
Attending breakdowns and completing field repairs




Mechanical and hydraulic fault finding
Heavy road transport maintenance and repairs
Maintaining civil and earthmoving equipment
Inspections and preventative maintenance
Larger repairs and rebuilds when required
Working autonomously across different project locations
The fleet
You'll get exposure to equipment including:
Volvo, Mack and Isuzu heavy trucks
Vermeer and Ditch Witch directional drills
CASE excavators and loaders, skid steers / bobcats
Light vehicles
What we're looking for
You'll ideally have:
Australian-recognised Heavy Diesel / Diesel Mechanic trade qualification
2-3+ years' post-trade experience
Experience across heavy vehicles, mobile plant or civil equipment
Robust mechanical, hydraulic and diagnostic skills
Ability to work independently in the field
Current driver's licence
Willingness to travel extensively and spend extended periods working away
Ability to complete a pre-employment medical and National Police Check
Previous field service experience, an HC licence, Dogman ticket, Auto Electrical experience or exposure to directional drilling equipment will be highly regarded.
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📌 Heavy Diesel Fitter - Field Service (Melbourne)
🏢 Marble Group
📍 Melbourne