On behalf of our client, we are looking for a full-time, experienced Heavy Duty (HD) Diesel Fitter.

The Heavy Duty Diesel Fitter is responsible for carrying out mechanical maintenance, inspections, fault diagnosis, and repairs on heavy‑duty mobile plant, machinery, and production equipment used in industrial and operational environments. The role focuses on maintaining plant availability and reliability through planned maintenance and timely response to mechanical failures, in accordance with workplace health and safety, environmental, and quality requirements.

Key Responsibilities

Execute planned and preventative maintenance activities in accordance with maintenance schedules, work instructions, and engineering standards

Inspect, service, maintain, and repair heavy‑duty mobile plant and equipment, including trucks, loaders, drills, ancillary plant, and production support equipment used in industrial operations

Diagnose mechanical and hydraulic faults using appropriate diagnostic tools, instruments, and procedures

Remove, overhaul, repair, or replace mechanical and hydraulic components such as pumps, cylinders, valves, drivetrains, suspensions, braking systems, and structural assemblies

Perform precision fitting, alignment, and adjustment of components to ensure correct operation and tolerances

Lubricate machinery and maintain fluid systems in accordance with manufacturer and site requirements

Respond to plant breakdowns and unplanned maintenance events to restore equipment to operational condition

Safely use lifting equipment, hydraulic jacks, and workshop machinery to handle large assemblies and components

Conduct routine inspections to identify wear, defects, or emerging mechanical issues





Recommend corrective and preventative measures to improve plant reliability and reduce unplanned downtime

Collaborate with supervisors, planners, and other maintenance personnel to coordinate maintenance activities

Maintain accurate maintenance records, job reports, and inspection documentation

Comply with all workplace health and safety, environmental, and quality management systems

Participate in hazard identification, risk assessments, and incident reporting processes

Skills and Experience

Demonstrated experience maintaining and repairing heavy‑duty mobile plant, machinery, and industrial equipment

Strong mechanical fitting background, with sound knowledge of hydraulics and associated mechanical systems

Experience diagnosing faults in complex plant and machinery environments

Ability to read and interpret engineering drawings, manuals, and specifications

Competence using hand tools, precision measuring equipment, hydraulic testing tools, and workshop machinery

Strong problem‑solving skills and attention to detail

Ability to work autonomously and as part of a multidisciplinary maintenance team

Commitment to protected work practices and compliance with site standards

Qualifications and Requirements

Recognised trade qualification as a Mechanical Fitter, Diesel Fitter, or equivalent engineering trade

Certificate III in Engineering (Mechanical Trade) or equivalent

Relevant high‑risk work licences or plant tickets (desirable)

Ability to meet site medical and fitness‑for‑work requirements

Commitment to complying with WHS, environmental, and quality systems

Salary range:

$85,000 to $110,000 per annum excluding superannuation.

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📌 HD Diesel Fitter (Sydney)
🏢 EPG Payroll & HR Australia
📍 Sydney