Heavy Diesel Component Rebuild Technician

MLG; City of Kalgoorlie-Boulder; On-site; AUD 103,000 - 117,000; Full time

Benefits offered by this job

Flights covered from capital cities

Full PPE supplied

Referral bonus

Novated leasing options

Job summary

MLG Oz is expanding its in-house Component Rebuild Centre (CRC) in Kalgoorlie and is seeking an experienced Heavy Diesel Component Rebuild Technician to join the team. You will work on critical heavy mobile equipment components, contributing to a reliable internal rebuild capability across operations.

The role emphasises precision workmanship, adherence to OEM specs, and rigorous documentation. Join a safety‑driven team with long‑term opportunities and full-time permanent employment.

Qualifications

• Trade qualification as a Heavy Diesel Mechanic, Diesel Fitter or equivalent mechanical trade.
• Proven experience dismantling, inspecting, repairing and rebuilding heavy mobile equipment components.
• Strong diagnostic and problem-solving skills.
• Ability to read OEM specs, drawings and manuals.
• Experience with precision measuring equipment and tolerances.

Responsibilities

• Dismantle, inspect, assess, repair and rebuild heavy mobile components.
• Conduct measurements and wear analysis to identify defects.
• Rebuild components to OEM specs and quality standards.
• Use precision tools to verify clearances and serviceability.
• Prepare inspection reports and rebuild documentation.
• Support continuous improvement of CRC workflow and quality control.

Skills

Heavy Diesel Mechanic

Dismantling & Rebuilding

Mechanical diagnostics

OEM specifications

Precision measuring tools

Tools

Micrometers

Dial indicators

Bore gauges

Vernier calipers

Job description

Salary: $75.00 - $85.00

Job Type: Permanent - Full Time

Location: Kalgoorlie, Kalgoorlie, Goldfields & Esperance WA

Job Category: Maintenance

About Us

As an ASX-listed company, MLG Oz is a contractor of choice, employing more than 1,400 people across over 30 operational sites. We deliver a comprehensive range of services, including:

• Aggregate and sand supply
• Bulk haulage and integrated site services
• Crushing and screening
• Export logistics

MLG Oz is guided by strong core values and is committed to fostering a diverse and inclusive workplace. We recognise that inclusion drives engagement, builds trust, encourages fresh perspectives, and supports innovation, ultimately enhancing our overall performance. Our people are our greatest asset, and through their collective efforts and contributions, we are able to achieve our objectives while maintaining an uncompromising commitment to the health and safety of our workforce, the environment, and the communities in which we operate.

Job Description

BUILD IT RIGHT. REBUILD IT BETTER.

Bring your expertise. Help build something bigger.

MLG Oz is expanding its in-house Component Rebuild Centre (CRC) in Kalgoorlie and is looking for an experienced Heavy Diesel Component Rebuild Technician to join the team.

This is your opportunity to put your technical skills to work on critical heavy mobile equipment components while helping build a reliable, cost-effective internal rebuild capability across our operations.

If you take pride in precision workmanship, understand the importance of quality and want to make a real impact, we want to hear from you.

Why Join MLG?

• Full-time, permanent employment
• Superannuation paid on ALL hours worked — full-time employees only
• Flights covered from Australian capital cities
• Full PPE supplied — shirts, pants, boots, jacket and prescription safety glasses
• $6,000+ referral bonus — bring your crew!
• Salary sacrifice and novated leasing options
• Long-term stability with a contractor of choice

At MLG Oz, our people are our greatest asset. Everything we do is guided by our core values of safety, teamwork and respect for our communities and the environment.

Join a team that values your skills, supports your contribution and is focused on building for the future.

What You’ll Be Doing

• Dismantle, inspect, assess, repair and rebuild mechanical, hydraulic and drivetrain components used in heavy mobile equipment.
• Conduct detailed condition assessments, dimensional measurements and wear analysis to identify defects and failure mechanisms.
• Rebuild components to OEM specifications, approved repair procedures and quality standards.
• Use precision measuring equipment to verify clearances, fits, tolerances and component serviceability.
• Identify components suitable for reuse, repair or replacement.
• Complete accurate inspection reports, measurement records and rebuild documentation.
• Investigate recurring failures and contribute to root-cause analysis and corrective actions.
• Help develop and improve CRC workflow, tooling, inspection standards and quality control processes.
• Work with workshop supervision and maintenance teams to deliver safe, efficient component turnaround times.

WHAT YOU’LL BRING

• Trade qualification as a Heavy Diesel Mechanic, Diesel Fitter or equivalent mechanical trade.
• Proven experience dismantling, inspecting, repairing and rebuilding heavy mobile equipment components.
• Strong mechanical diagnostic, fault-finding and problem-solving skills.
• Ability to interpret OEM specifications, technical drawings and workshop manuals.
• Competence using precision measuring equipment, including micrometers, dial indicators, bore gauges and vernier callipers.
• Sound understanding of mechanical tolerances, bearing fits, clearances and assembly practices.
• A commitment to safe work practices, quality workmanship and accurate documentation.
• The ability to work independently, manage priorities and take ownership of your work.

EXPERIENCE THAT WILL SET YOU APART

The Following Experience Will Be Highly Regarded

• Rebuilding transmissions, torque converters, differentials, final drives, transfer cases and hydraulic pumps.
• Working in an OEM environment, specialist component rebuild facility or mining equipment maintenance operation.
• Applied Failure Analysis (AFA), ideally Caterpillar AFA, including identifying failure modes and determining root causes.
• Experience with Caterpillar, Cummins, Allison, Dana, ZF or similar heavy equipment systems.
• Component testing, workshop quality assurance and developing rebuild procedures or inspection standards.
• Mentoring apprentices and supporting the development of other tradespeople.

HELP BUILD OUR COMPONENT REBUILD CAPABILITY

This is more than a component rebuilding role. You’ll play an important part in developing MLG Oz’s internal CRC capability, improving equipment reliability and reducing reliance on external repair providers.

We’re looking for someone who is technically capable, methodical and accountable — someone who gets satisfaction from diagnosing problems, delivering quality rebuilds and getting components back into service.

If you take pride in doing the job right the first time and want to contribute to a growing operation, this is your opportunity.

Ready to rebuild your next chapter?

Great Skills. Strong Team. Long-term Opportunity.

Bring your experience to MLG Oz and help build the future of component rebuilding in Kalgoorlie.

MLG Oz is committed to a safe, inclusive and professional workplace guided by our values of safety, teamwork and respect.