Introduction

We are seeking experienced, safety-focused Heavy Diesel Fitters to join Rio Tinto's Heavy Mobile Equipment (HME) Maintenance team. You will perform planned, preventative, and breakdown maintenance on CAT and Komatsu mobile mining equipment. This permanent, full-time FIFO role operates from Perth, Albany, Busselton & Geraldton, offering flexible rosters, excellent benefits, and clear career progression pathways.

About this role

As part of the Mobile Maintenance Team, your responsibilities will include:

Performing scheduled maintenance, repairs and servicing of heavy mobile equipment including CAT 793F, 789C/D haul trucks, D10T/D11T dozers, 992K loaders, Komatsu 830E/930E trucks, and PC7000/PC4000 excavators
Fault diagnosis and troubleshooting of mechanical systems
Completing safety inspections, equipment pre-starts, and accurate recording of maintenance work using SAP
Supporting shutdown maintenance works and ensuring equipment is returned to service safely and efficiently
Contributing to a high-performing team environment with a focus on continuous improvement, safety, and collaboration
Maintaining a strong commitment to zero harm and actively identifying and mitigating risks

Is this you?

To be successful in this role, you will have:

Australian Recognised Trade qualification - Heavy Duty Fitter or Diesel Mechanic (Cert III or equivalent)
Previous experience maintaining heavy mobile equipment in mining or heavy industry (CAT & Komatsu experience high desirable)
Valid WA Manual C-Class Driver's Licence (HR highly desirable)
High Risk Work Licences - minimum Forklift (LF) and Elevated Work Platform (EWP)
Confined Space and Working at Heights certification
Experience using SAP or similar CMMS
A strong safety focus and commitment to working within Rio Tinto's safety systems
Good problem-solving skills, initiative, and a team-oriented approach
Full Australian working rights - Australian Citizen or Permanent Resident

What we offer

FIFO from Perth with flexible roster options (8/6, 7/7 day/night) or residential opportunities available.
Competitive base salary plus annual bonus, with Australia-wide relocation support.
Camp accommodation featuring high-quality village facilities.
Access to RioExcel technical pathways and Women in Aluminium development programs.
Dedicated Indigenous employee support, including Indigenous Support Advisors and career progression programs.
Safe, inclusive, and diverse workplace culture supported by strong policies and leadership commitment.
Ongoing training, education assistance, and clear pathways to Supervisor, Inspector, or Specialist roles.
Comprehensive benefits package including: