DESCRIPTION
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.
RESPONSIBILITIES
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.
QUALIFICATIONS
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