Treatment Technician

JobAdder Operations Pty; Waikato; On-site; NZD 55,000 - 75,000; Full time

Job summary

Waikato Waters is seeking a proactive Water Treatment Technician to operate and monitor our water and wastewater treatment plants across the Waikato region. You’ll contribute to safe drinking water delivery, environmental protection, and continuous improvement in plant performance.

Join a team focused on reliability and on-site operation, with opportunities to develop expertise in process monitoring, sampling, and maintenance coordination while supporting after-hours on-call duties as needed.

Qualifications

• Relevant qualifications in water treatment, wastewater treatment, engineering, environmental science or related field.
• Experience operating water and/or wastewater treatment plants or in related process operations.
• Understanding of water treatment or process operations.
• Commitment to health, safety and environmental compliance.
• Full New Zealand Driver Licence.

Responsibilities

• Operate and monitor water and wastewater treatment plants to ensure safe, reliable performance.
• Carry out routine inspections, monitoring, sampling and testing activities.
• Optimize treatment processes to maintain compliance and improve plant performance.
• Identify and respond to operational issues, alarms, and equipment faults.
• Support planned and reactive maintenance activities.
• Maintain accurate operational records and contribute to reporting and compliance.
• Collaborate with colleagues and contractors to continuously improve plant performance.

Skills

Problem-solving

Communication

Teamwork

Health and safety

Adaptability

Education

Water/wastewater treatment qualification

Job description

Ensure clean, safe water for our community! Join us as a Water Treatment Tech. Grow your career with purpose.

29th September, 2026

He kōrero mō mātou | About us

Waikato Waters is a brand-new, publicly owned water utility bringing together water and wastewater services across the Waikato region — built from the ground up to deliver for communities today and for generations to come.

Te tūranga | The role

We're looking for motivated and safety-focused Treatment Technicians to join our Operations teams across the Waikato Region. Whether you're an experienced Treatment Technician or bring transferable process operations experience, we'll support you to develop your capability and build a rewarding career in the water industry.

This is an opportunity to play a vital role in delivering safe drinking water and protecting the environment for the communities we serve. You'll operate and monitor our water and wastewater treatment plants, ensuring they run safely, efficiently and in compliance with regulatory requirements.

Working as part of a supportive team, you'll be involved in plant operations, process monitoring, sampling, maintenance coordination and continuous improvement. No two days are the same, and your work will have a direct impact on the reliability and performance of our essential water services.

This role also participates in an after-hours on-call roster to support the continuous operation of our treatment plants.

Ō mahi | What you’ll do

• Operate and monitor water and wastewater treatment plants to ensure safe and reliable performance.
• Carry out routine inspections, operational monitoring, sampling and testing activities.
• Optimise treatment processes to maintain compliance and improve plant performance.
• Identify and respond to operational issues, alarms and equipment faults.
• Support planned and reactive maintenance activities.
• Maintain accurate operational records and contribute to reporting and compliance requirements.
• Work collaboratively with colleagues and contractors to continuously improve plant performance and reliability.

Ō pūkenga | What you’ll bring

• Relevant qualifications in water treatment, wastewater treatment, engineering, environmental science or a related field.
• Experience operating water and/or wastewater treatment plants, or experience in a similar process or industrial operations environment.
• An understanding of water treatment, wastewater treatment or process operations.
• Strong problem-solving skills and the ability to respond calmly to operational issues.
• Experience undertaking operational monitoring, sampling or testing activities.
• A commitment to health, safety and environmental compliance.
• Strong communication skills and a collaborative approach to working with others.
• A full New Zealand Driver Licence.

He aha ai mātou | Why join us

Waikato Waters is being built once — and you’d be part of that. He waka eke noa, we are all in this together. The work is real, the impact is visible, and the team we’re assembling is genuinely exceptional.

Whether you're already working in the water industry or looking to apply your process operations experience in a new environment, you'll have the opportunity to grow your skills while helping deliver one of our communities' most essential services. To learn more about us, visit www.waikatowaters.co.nz