Mechanical Technician - Wastewater

Downer Group; Auckland; On-site; NZD 55,000 - 75,000; Full time

Job summary

Downer is seeking an experienced Mechanical Technician to support the North-West Auckland water network from Albany/Henderson. You’ll perform planned and reactive maintenance on pump stations and wastewater assets, fault-find, and work with field teams to keep critical infrastructure running safely.

You’ll need hands-on mechanical skills, a Class 1 NZ driver license, and a proactive approach to problem-solving in wastewater environments.

Qualifications

• NZQF Level 4 qualification in a relevant mechanical field or at least three years’ relevant experience.
• Hands-on mechanical maintenance, fault-finding and repairs experience.
• Experience with pumps, pump stations, industrial equipment or water/wastewater assets.
• Full Class 1 New Zealand driver licence.
• Strong health and safety understanding in wastewater environments.
• Confined-space, hazard-awareness or Hiab training would be advantageous.

Responsibilities

• Complete planned and reactive mechanical maintenance.
• Diagnose and repair pumps, equipment and associated assets.
• Respond to wastewater network faults and service requests.
• Identify practical solutions to recurring mechanical issues.
• Work safely within wastewater and confined-space environments.
• Participate in the standby and callout roster, including incident response when required.
• Maintain accurate job records and collaborate with clients, suppliers and the team.

Skills

Mechanical maintenance

Fault-finding

Diagnosing issues

Stakeholder communication

Field technology usage

Education

NZQF Level 4 mechanical qualification

Three years’ relevant experience

Tools

Pumps

Pump stations

Industrial equipment

Water/wastewater assets

Job description

We’re looking for an experienced Mechanical Technician to join our Water team based in Albany/Henderson, working across wastewater pump stations and associated network assets throughout North-West Auckland.

This is a hands‑on mechanical role where you’ll maintain, repair and fault‑find critical wastewater infrastructure. From planned maintenance to urgent fault response, your work will help keep essential wastewater services operating safely and reliably for Auckland communities.

Te kōwhiringa | The Opportunity

Working within an operational wastewater environment, you’ll be responsible for the planned and reactive mechanical maintenance, repair and fault‑finding of pump stations and associated network assets across North-West Auckland. You’ll respond to faults, troubleshoot mechanical issues and help keep critical wastewater infrastructure operating safely and reliably.

Your day‑to‑day work will include

• Completing planned and reactive mechanical maintenance
• Diagnosing and repairing pumps, equipment and associated assets
• Responding to wastewater network faults and service requests
• Identifying practical solutions to recurring mechanical issues
• Working safely within wastewater and confined‑space environments
• Participating in the standby and callout roster, including incident response when required

You’ll also maintain accurate job records and work closely with clients, suppliers, subcontractors and the wider operational team.

Based across our Albany/Henderson depots, you’ll work across the North‑West Auckland pump station network as part of an experienced field team.

Nga pūkenga matua | Important Skills

You’ll be a practical and reliable mechanical professional who is comfortable working around wastewater assets and enjoys solving problems in the field. You’ll be confident working independently, communicating with different stakeholders and using mobile technology to keep job records up to date.

Ideally, you’ll bring

• An NZQF Level 4 qualification in a relevant mechanical field, or at least three years’ relevant experience
• Hands‑on experience in mechanical maintenance, fault‑finding and repairs
• Experience with pumps, pump stations, industrial equipment or water/wastewater assets
• A full Class 1 New Zealand driver licence
• A strong understanding of health and safety, including working in operational wastewater environments
• A proactive approach to problem‑solving and getting the job done safely and efficiently
• Confined‑space, hazard‑awareness or Hiab training would be advantageous.

Why you will enjoy working here

At Downer, we plan, create and sustain the infrastructure that connects people and communities. Our Water team works behind the scenes to maintain the essential water and wastewater services New Zealanders rely on every day.

You’ll join a practical and supportive team where

• Your mechanical skills contribute to an essential public service
• You’ll work across a varied network of wastewater assets
• No two days are exactly the same
• Safety, quality and teamwork come first
• Your experience and ideas will be valued
• You can build your capability within a large infrastructure organisation

Ko wai mātou | Our Organisation

Downer is a leading provider of integrated services across Australia and New Zealand. Through trusted relationships and world‑leading insight, we work closely with our customers to design, build and sustain assets, infrastructure and facilities.

Our Water team delivers services across drinking water, wastewater and stormwater networks, supporting communities through reliable and resilient infrastructure.