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 chance 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

Opportunity 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