Category 5 Labour Management is seeking experienced Field Service Technicians for a 3-month contract at Mardie, with potential to transition into a permanent role.

Position: Field Service Technician

Roster: 8/6 – Tuesday to Tuesday

Location: Mardie, WA

Hours: 12-hour shifts

Employment: Casual / Temporary Contract

About the Role

Working alongside the Heavy Diesel Mechanic, you will carry out routine servicing, refuelling, inspections and preventative maintenance across mobile equipment.

Operating within a remote and highly corrosive saline environment, your focus will be maintaining equipment reliability, minimising downtime and supporting safe and efficient site operations.

Skills & Experience

- Minimum 3 years’ experience in a similar maintenance or field service role
- Heavy Mobile Equipment (HME) or Fixed Plant experience preferred
- Current unrestricted WA HR Driver’s Licence
- Current White Card
- Forklift, Telehandler or other HRWL highly regarded
- Working at Heights, Confined Space and Gas Test Atmospheres tickets advantageous

Duties & Responsibilities

- Routine servicing and preventative maintenance of mobile equipment
- Oil and filter changes
- Refuelling and equipment inspections




- Assist with fault identification and equipment maintenance
- Support Heavy Diesel maintenance activities
- Maintain secure and reliable plant operations

What’s on Offer

- Weekly pay
- Super paid on all hours worked
- Family-friendly 8/6 roster – Tuesday to Tuesday
- 12-hour shifts
- 3-month contract
- Potential temp-to-perm opportunity
- Opportunity to work on a major Pilbara operation

About Category 5 Category 5 Labour Management is a leading provider of Rail, Marine, Industrial Services and Trades personnel throughout Australia and New Zealand.

Our client is a leading resources company developing a major solar evaporation operation in the Pilbara. Join a growing team focused on safe, reliable and efficient site operations within a unique saline environment.

How to Apply Click APPLY or contact Category 5 Karratha for a confidential discussion.

- 8/6 Roster – BIBO/DIDO ex. Karratha
- Weekly pay + super paid on ALL hours worked
- 3-month contract with genuine temp-to-perm chance

Location

WA Other

Classification

Labourer

Work Type

Contract or Temp

Posted

Wednesday 09 September, 2026

📌 Field Service Technician (Mardie)
🏢 Category5
📍 Mardie