Location: Forrestfield WA (Workshop Based Initially)
Roster: Transitioning to 14/7 FIFO roster from July
Employment Type: Casual with potential for permanency
Category 5 Labour Management is seeking experienced Water Treatment Service Technicians to support our client across workshop and field-based operations throughout WA. This is a hands-on role offering variety, technical challenges and the opportunity to work with advanced water treatment systems across industrial and environmental projects.
Initially based in the Forrestfield workshop, the role will transition into site-based work including metro Perth and Pilbara operations supporting major resource sector clients.
Key Responsibilities:
- Carry out in-house and onsite maintenance and repairs on water treatment plants and equipment
- Commission water treatment systems both onsite and within the workshop
- Diagnose faults and troubleshoot electrical, mechanical and process issues
- Monitor system performance and identify opportunities for improvement
- Complete accurate service reports and maintenance records
- Liaise directly with clients and provide technical support
- Assist with the manufacture and assembly of water treatment equipment and systems
- Maintain high safety and quality standards at all times
To be successful in this role, you will demonstrate:
- Australian recognised Electrical or Mechanical Trade Qualification
- Previous experience servicing and maintaining water treatment systems
- Strong fault-finding and problem-solving skills
- Experience working with PLC-operated equipment
- Hands-on approach with strong mechanical aptitude
- Ability to work independently and manage competing priorities
- Professional communication and client-facing skills
- Flexible and adaptable attitude
- Willingness to travel as required
Desirable:
- Experience servicing desalination plants
- Commissioning experience
- Water treatment industry qualifications or certifications
- White Card and First Aid
What’s on Offer
- Immediate start available
- Workshop-based onboarding and training
- Transition to 14/7 FIFO roster from Perth
- Work on advanced water treatment and environmental systems
- Diverse role combining maintenance, troubleshooting and commissioning
- Potential long-term opportunity for the right candidate
How to Apply
Click APPLY NOW and submit your up-to-date resume outlining your relevant experience. Suitable applicants will be contacted for a confidential discussion.
Only shortlisted candidates will be contacted.
About us:
Category 5 is a family-owned business with operations spanning across Australia and New Zealand. Over the last 3 years, Cat5 Rail has built one of the largest privately owned fleets of specialist rail equipment in the country, supported by a network of maintenance facilities in Karratha, Port Hedland, and Perth. From metro to remote regions across Australia, the Cat5 Rail family has built a sustainable business that creates long-term opportunities for our clients and employees. For more information, visit www.catfive.com.au.
- Workshop-based start with transition to 14/7 FIFO roster from Perth
- Strong pipeline of industrial and environmental projects with long-term opportu
- Service, maintain and commission advanced water treatment systems
Location
Perth
Classification
Water & Waste
Work Type
Casual
Posted
Tuesday 02 June, 2026
