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Heavy Diesel Plant Mechanics

Australia, St Mary's · Job Posted July 03, 2026
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Job Description

Oversee maintenance operations, ensuring the reliability and efficiency of our specialist plant and equipment.

Job Responsibility

  • Servicing and maintaining heavy plant and mobile equipment
  • Skilled in diagnosing and repairing diesel engines
  • Proficient in working with hydraulic systems, including pumps, valves, and cylinders
  • Experienced in mechanical repairs to drivetrains, transmissions, and braking systems
  • Competent in basic electrical fault-finding on plant equipment
  • Able to perform both planned maintenance and breakdown repairs efficiently
  • Adheres to safe work practices, isolation procedures, and workshop standards
  • Knowledgeable in plant maintenance schedules and maintaining accurate documentation
  • Ensure all maintenance work complies with HSEQ policies & safety standards
  • Maintain strong relationships with internal teams, suppliers & subcontractors
  • Provide technical support and ensure work meets Keller's quality standards
  • Able to carry out day-to-day hands-on fitter duties alongside leading responsibilities

Requirements

  • Trade-qualified Mobile Plant, Heavy Diesel Vehicle Mechanic (Certificate III or equivalent)
  • Strong experience in similar environments
  • Hands-on experience across a wide range of heavy machinery equipment
  • Diagnostic, hydraulic, mechanical, electrical, and diesel engine repair skills
  • Proven experience in component and full machine rebuilds, overhauls, shutdowns, and preventative maintenance to OEM standards
  • Confident working independently onsite, managing servicing schedules, breakdowns, parts procurement, and maintenance priorities
  • Strong commitment to safety, reliability, and maintaining fleet uptime
  • Full Australian working rights

Nice to have

Additional skills in fabrication, fitting, machining, welding (MIG, oxy, plastic), and auto-electrical diagnostics

What we offer

  • Competitive salary
  • Job stability with a global leader
  • Flexible working environment
  • A strong commitment to learning and development
  • Collaborative and supportive team culture
  • Contribute to sustainability improvements in construction
  • Knowledge-sharing from global experts
  • Fair employment practices with a focus on promoting from within
  • Above industry-paid Parental Leave
  • Exposure to innovative projects and career progression opportunities

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