In this role, you will make an impact in the following ways:
- Perform advanced diagnostics, repairs, overhauls, and rebuilds on Cummins High Horsepower engines in a field‑service environment with minimal supervision.
- Support Rio Tinto’s mining operations by ensuring maximum fleet availability, reliability, and operational safety.
- Carry out scheduled and unscheduled preventative maintenance, following Cummins and OEM procedures.
- Interpret complex engine system interactions—including fuel systems, electronic controls, cooling, exhaust/aftertreatment, and driveline—to accurately identify and resolve root causes.
- Provide onsite customer support, manage expectations, and communicate technical outcomes clearly and professionally.
- Coach, mentor, and support junior technicians and apprentices, including reviewing repair plans, parts interpretation, and workflow accuracy.
- Complete all service documentation, warranty claims, technical notes, and diagnostic reports within Cummins systems.
- Identify potential sales or service opportunities, such as component upgrades, parts requirements, or preventative maintenance improvements.
- Maintain company tooling, equipment, and service vehicle in safe, clean operating condition.
- Comply with all Cummins and Rio Tinto Health, Safety & Environmental (HSE) requirements, participating actively in hazard reporting, Take 5s, and continuous safety improvement initiatives.
- Escalate complex technical issues through defined Cummins technical escalation channels to ensure timely and accurate resolution.
To be successful in this role you will need the following:
- Significant field service experience with expert‑level technical capability in Cummins High Horsepower (HHP) engines (QSK19, QSK38, QSK50, QSK60).
- Proven experience working on large mining fleets, including:
- Komatsu 830E haul trucks
- Komatsu WA1200 loaders
- Komatsu PC550 excavators
- Hitachi EX5600‑7 excavators
- Ability to interpret and use Cummins INSITE, electronic diagnostic tools, technical publications, and troubleshooting workflows.
- Strong problem‑solving and decision‑making skills when working with high‑complexity systems and remote field conditions.
- Excellent communication skills with a strong customer‑service focus.
- Vocational trade qualification (Cert III Heavy Diesel or equivalent); Apprentice‑trained Engine Technician preferred.
- Valid driver’s license and ability to meet site access, medical, and compliance requirements.
- Safety‑first mindset with a strong commitment to following processes, assessing risk, and contributing to a zero‑incident workplace.
Rio Tinto Hope Downs 4
8/6 Roster Day shift Only
HHP Experience Required
Field Service Experience essential
Looking after fleet Komatsu 830Es, Komatsu WA1200, Komatsu PC550, Hitachi EX5600-7
Job Service
Organization Cummins Inc.
Role Category On-site with Flexibility
Job Type Technician
ReqID 2424871
Relocation Package No
100% On-Site No