STM Trucks & Machinery is a family owned and operated business that has been serving the industry for almost 50 years.
With 4 locations across Southwest Sydney, Illawarra, ACT and Central West NSW, we provide new and used sales for commercial vehicles and construction equipment, along with service, spare parts and finance solutions.
We are proud to serve a wide range of clients across transport, warehousing, construction, infrastructure, civil works, waste management and government sectors.
As an authorised dealer for industry-leading brands including Iveco, Fuso, Mercedes-Benz, Freightliner, Kobelco, ASV, Merlo, Hydrema and New Holland, we are committed to delivering excellence at every level.
An exciting opportunity has arisen for a trade-qualified
Field Service Technician / Plant Mechanic
to join our team at our Smeaton Grange branch, servicing customer equipment on-site across our plant equipment brands.
About the Role
Reporting to the Field Service Manager, you will be responsible for carrying out fault diagnosis, servicing and repairs on customer sites across our plant equipment range, including Kobelco, ASV, Merlo, Hydrema and New Holland machines.
Your responsibilities will include:
Undertaking fault diagnosis, servicing and repairs on customer sites in a time-sensitive, on-the-road environment
Diagnosing and repairing mechanical, hydraulic and electrical faults on plant equipment




Maintaining the company service vehicle in a clean, safe and well‐organised condition
Communicating clearly with customers and the workshop team regarding job status and required parts
Maintaining accurate service records, reports and documentation for all work performed
Following established workplace health and safety procedures at all times
Working Hours
Full time, Monday to Friday.
Key Requirements
Trade qualification (Cert III in Mobile Plant Technology or equivalent)
Ability to pass a pre‐employment medical
Previous field service experience
Experience with any of Kobelco, ASV, Merlo, Hydrema or New Holland equipment
Strong hydraulics and/or auto‐electrical fault‐finding skills
Skills & Attributes
Strong diagnostic and problem‐solving skills
Ability to work independently and manage your own time on the road
Excellent communication skills, both with customers and the workshop team
Reliable punctual and safety‐conscious
Exceptional attention to detailAttractive remuneration package
Company vehicle (MR medium duty truck) provided
Prospect to work with multiple industry‐leading plant brands
Ongoing training and genuine career progression
Supportive, high‐performing team culture
A growing multi‐site business with real opportunities to advance
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📌 Field Service Technician (Sydney)
🏢 STM Trucks & Machinery
📍 Sydney