Logo for Heavy Diesel Mechanic - Level 3 Advanced Workshop Trade

Heavy Diesel Mechanic - Level 3 Advanced Workshop Trade

BIS Industries
Tomago, NSW
A$45.21 p/h + Overtime + Super
Trades & Services → Technicians
Full-time
On-site

Posted 2 hours ago


Heavy Diesel Mechanic – Level 3 Advanced Workshop Trade (Tomago)

Hourly Rate: $47.61 – $49.51 + overtime | Workshop-based | Tomago

At Bis, your advanced trade skills are recognised and rewarded. Join our Tomago workshop team as a Level 3 Advanced Mechanical Tradesperson and take on complex diagnostic, compliance-critical, and high-quality repair work across our underground mining fleet.

Why Join Bis?

  • Competitive Pay: $47.61 – $49.51 per hour + overtime.
  • Flexible Rosters: Choose a 4:4:4:2 compressed week or a standard 5:2 schedule.
  • Stability and Growth: Secure, long-term role with structured pathways for career advancement.
  • Support and Benefits: Paid parental leave, life insurance, income protection, novated leasing, and health discounts.
  • Skills Development: Access to education assistance and training in advanced systems and technologies.


Your Role – What You’ll Be Doing
At Level 3, you’ll be trusted with the work that requires depth, independence, and accountability. Each day you will:

  • Lead complex fault finding and diagnostics across diesel, hydraulic, pneumatic, and flameproof systems, often working without supervision.
  • Overhaul and rebuild major components such as engines, transmissions, braking systems, and flameproof machinery, meeting strict compliance and certification standards.
  • Plan and scope repairs, including assessing job requirements, ordering parts, allocating time, and delivering to deadlines with minimal rework.
  • Own problems from start to finish, adapting when unexpected issues arise and ensuring equipment is returned to service safely and reliably.
  • Document and report at a high level, including root cause analysis, compliance paperwork, and detailed service records for both internal and regulatory requirements.
  • Mentor and guide apprentices and Level 1–2 trades, sharing advanced skills, correcting unsafe practices, and modelling high standards.
  • Engage with supervisors, engineers, and clients to explain technical issues, recommend improvements, and provide input into preventative maintenance strategies.
  • Contribute to continuous improvement by suggesting better methods, safer work practices, and reliability-focused maintenance plans.


What We’re Looking For

  • Certificate III in Mechanical Trade (Diesel Fitter / Diesel Mechanic) or equivalent.
  • Appointment as a Competent Person (Diesel) under RII DES standards.
  • 2+ years’ experience with flameproof underground machinery or 5+ years in heavy industry (mining, shipbuilding, aerospace, oil & gas).
  • Advanced troubleshooting skills across mechanical, hydraulic, and pneumatic systems.
  • Strong ability to plan, execute, and deliver high-quality work independently.
  • Clear communication and record-keeping skills.


About Us
Bis is Australia’s leading provider of underground coal mining support, operating the largest fleet of hire equipment in the country. Our Tomago workshop is at the heart of this operation, keeping our fleet mine-ready with expert trade teams.


About BIS Industries

Tomago, NSW, Australia
Mining, Resources & Energy
501-1000 employees

Bis is a resources logistics company that provides technology-enabled haulage, materials handling, specialised equipment hire and value chain solutions for customers across 40 sites throughout Australia.

Since 1915, we have delivered customer-led innovations that optimise our customer’s operations.

Our people are passionate and inventive. They believe in better, look after each other and live by our values.

We work hard in creating a supporting, inclusive and engaging environment because by doing so, our people succeed.

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