Head of Treatment Planning at Wellington Water, Wellington - Wairarapa

Mō tēnei tūranga mahi | About this role

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

The opportunity

As Head of Treatment Planning, you will lead the planning functions that support the operational and tactical management of in-house treatment and automation assets. As the Treatment Planning Team lead, you'll coordinate across Wellington Water to align strategic asset management, long-term planning and day-to-day delivery.

• Lead integrated operational, tactical and long-term treatment planning activities
• Coordinate renewals, maintenance, shutdowns and investment programmes across assets
• Influence the Strategic Asset Management Plan and Long-Term Plans
• Provide visibility of operational and asset risks to senior leadership and governance forums
• Build strong partnerships with internal stakeholders, councils, regulators and suppliers

About you

To be successful in this role, you will bring:

• A relevant tertiary qualification in asset management, infrastructure, or strategic planning
• Proven experience leading and developing technical or specialist teams
• Strong asset management experience in complex three-waters environments
• Ability to influence senior leaders and governance-level stakeholders
• Highly analytical thinking and the ability to translate data into sound decisions

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 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 reflective in our values; Tangata Tiaki, Whānau and Mana.

Applications close on Monday, 25 May 2026.

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 that if you are a Wellington Water employee, please apply using your work email.

For further information, email: JoinUs@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 or eligible to obtain a working visa.