Modeller (Drinking Water)

• Grow and develop your local experience in drinking water modelling
• Influence decision makers
• Based in our Petone office close to the train station, beach and shops.

This is a full-time position of 40 hours per week.

The opportunity

Your role will be to develop, maintain and operate drinking water hydraulic models and contribute to understanding the performance of the network, as well as help develop operations and capital upgrade solutions to network performance issues. Your skills will be utilised across the company, particularly by the Strategy and Planning and Operations Groups.

This position will predominantly be responsible for developing, maintaining and operating water supply hydraulic modelling. The ideal person will have a collaborative and adaptable approach.

You will get to:

• Provide technical advice to network operations, planning, engineering and asset management teams
• Contribute to technical reviews (peer review) of outsourced model build projects and master planning studies
• Support strategic network planning and development control
• Utilise calibrated hydraulic models to assess network performance against levels of service.

About us

To be successful in this role you will bring:

• Minimum five years' local experience in drinking water hydraulic modelling gained in New Zealand
• Tertiary qualified in Engineering (for example, Civil, Environmental Engineering or related field)
• Advanced-level expertise in Infoworks WS Pro
• Demonstrated experience in interpreting drinking water models, undertaking options assessments and delivering technical advice
• Excellent written and verbal communication skills.

Benefits

At Wellington Water, our purpose extends beyond delivering great water services for the region; we foster a thriving community, support a diverse workforce and offer supportive development opportunities. We genuinely care about your safety and wellbeing.

Our benefits include:

• Flexible working arrangements including up to two days working from home
• Comprehensive wellbeing programme, including one paid wellbeing day annually
• Formal and informal professional development opportunities
• Five weeks annual leave accrual will be available following two years of continual service.

For a full list of our employee benefits click here.

About us

Wellington Water Ltd is the professional water services provider across Greater Wellington and South Wairarapa. Our job is to provide safe and healthy drinking water, collect and treat wastewater, and ensure the stormwater network is well managed.

We're a multi-council owned entity, tasked to manage the infrastructure and deliver water services to our communities. From Tuesday, 01 July 2026, a new chapter in water services begins. Tiaki Wai will take over responsibility for providing Three Waters Services to approximately 433,000 residents/citizens across the Wellington metro regions.

Tiaki Wai will own the water assets it operates, giving it greater independence to manage and improve water services for current and future communities. Wellington Water employees will transition into this new council-owned entity.

The value of water (a precious taonga) sits at our organisational heart. Our people are passionate about providing water services for our communities and environment, which is reflected in our values; Tangata Tiaki, Whānau and Mana.

Applications close on Sunday, 24 May 2026.

We will be reviewing applications as they are received, so don't delay, apply today!

How to apply

To view a copy of the position description: click here.

To apply for the role, click on the 'apply' button or visit the Wellington Water Careers site. Please note if you are a Wellington Water employee please apply using your work email.

For further information, email: tania.forsyth@wellingtonwater.co.nz

Applicants for safety sensitive roles will be required to undergo drug and alcohol testing prior to commencing employment with Wellington Water. You must also be legally entitled to work long-term in New Zealand.