LIAM O'CONNOR
Port Kennedy,WA
Summary
Resourceful Heavy Diesel Mechanic with extensive experience in the heavy industrial and mining sectors. Skilled in fault-finding, servicing, and repairs across surface and underground operations, ensuring safety and efficiency. Strong ability to adapt and support diverse roles, including maintenance, field service, and site support. Committed to continuous improvement and team collaboration, bringing reliability and a proactive approach to problem-solving.
Overview
1
1
Certification
Work History
Heavy Diesel Mechanic
Epiroc Australia
- Rebuilt and commissioned MT65 equipment, ensuring optimal performance and reliability.
- Pit Viper 271 rebuilds
- Simba S7 J4 work and commissioning
- Performed on-site breakdowns and component change-outs, minimizing downtime and maintaining operational efficiency.
- S7 rock drill change-outs
- T45 rock drill change-outs
- Executed site procedures to ensure safety while prioritizing equipment availability, quality, and production requirements.
Serviceman
Ausdrill – KCGM
- Serviced 18 drill rigs twice per shift across day and night shifts
- Servicing Longreach RC33, RF350 and exploration rigs
- Managed safe handling of chemicals and high-pressure hoses on-site.
- Communication with mobile equipment and site personnel
- Executed tasks in high-output environment prioritizing reliability, time management, and safety compliance
Team Leader
Concrete Management Systems – WA
- Utilized power tools and small machinery to complete various tasks efficiently.
- Forklift operation
- Managed chemical handling and storage to comply with safety regulations and minimize risks.
- Ensured compliance with personal protective equipment (PPE) standards on job sites.
- Coordinated work scheduling to optimize team productivity and meet project deadlines.
- Quality and excellence
- OHS policies and Zero Harm culture
Labourer / General Hand
Plasterer Sub-Contracting – WA
- Installed ceilings and replaced cornices in residential buildings.
- Applied plaster and performed flushing techniques on walls.
- Prepared construction materials for efficient project execution.
- Conducted site inductions at mining and industrial sites to ensure safety compliance.
Education
MEM31419 CERTIFICATE III IN ENGINEERING - FIXED AND MOBILE PLANT MECHANIC -
Achieved Through Australian Apprenticeship Arrangements
Perth, Wa 11.2025 - 11.2025
Skills
- Diesel maintenance
- Component change-outs, repairs and preventive maintenance
- Heavy Equipment Operation
- Equipment maintenance
- Fault diagnosis
- Machine support
- Safety awareness
- Safe Work Procedures
- Safety procedures
- Confined Space Entry
- Permits and JSEA
- Planning, prioritizing and completing work safely and efficiently
- Planning and task organization
- Rigging operations
- Surface and underground mining experience
- Team Leader
- Trained Task Coordinator
- Equipment maintenance
Personal Information
- Title: Heavy Diesel Mechanic | Mining & Heavy Industry | Versatile Maintenance Professional
- Driving License: C-Class Driver's Licence
Certification
Dogging – completed, Basic Rigging – completed, D65 MKII machine pass-out / competency, C-Class Driver's Licence, HR-B Licence, Forklift Licence / VOC, White Card, Working at Heights, Senior First Aid, Scaffolders Basic Certificate, WorkSafe SmartMove Certificate, Confined Space Entry
SITE EXPOSURE
- Northern Star Super Pit – Fimiston
- Agnew Gold Mine
- BHP Nickel West Leinster – underground mining
- Pantoro Gold – Norseman
- Goldfields Regional General Inductions
- Tronox Pigment Plant – Kwinana
- CSBP – Kwinana
- Coogee Chlor-Alkali
- Southern Seawater Desalination Plant
- Perth Seawater Desalination Plant
- Newfarm – Kwinana
- BHP Kwinana Nickel Refinery
- Newmont boddington gold mine
Timeline
MEM31419 CERTIFICATE III IN ENGINEERING - FIXED AND MOBILE PLANT MECHANIC -
Achieved Through Australian Apprenticeship Arrangements
11.2025 - 11.2025
Labourer / General Hand
Plasterer Sub-Contracting – WA
Team Leader
Concrete Management Systems – WA
Serviceman
Ausdrill – KCGM
Heavy Diesel Mechanic
Epiroc Australia