Head of Treatment Planning
As Head of Treatment Planning, you’ll sit at the centre of Wellington Water’s operational, tactical and long‑term planning ecosystem leading the planning of drinking water and automation assets.
• Lead region-wide treatment planning for critical drinking water and automation assets
• Influence long-term investment, compliance and asset performance outcomes at scale
• Lead and grow a high-performing specialist planning team during sector transformation
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 well-being.
Our benefits include:
Flexible working arrangements, including up to 2 days working from home
Comprehensive wellbeing programme, including one paid wellbeing day annually
Formal and informal professional development opportunities
5 weeks annual leave accrual will be available following 2 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 1 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: Monday 25th 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.
- Department
- Treatment and Control Systems
- Role
- Treatment Planning & Projects
- Locations
- Petone Office
Petone Office
Staff benefits
1. Inclusive Culture: It is important to us that people love our culture. We embrace a workplace where diversity is celebrated, and inclusivity is at our core. Our team is united by passion, dedication, and a shared care for water and our community.
2. Safety and Support: We provide an Employee Assistance Scheme for crucial personal support, along with wellbeing and lifestyle education delivered through our Wellbe Team, ensuring you feel supported in and out of the workplace.
3. Health is Wealth: We prioritise your health with an annual voluntary health "warrant of fitness," immunisations, and flu vaccinations. Moreover, enjoy annual subsidised vision testing and contributions toward glasses to ensure clear vision.
4. Work-Life Balance: Where possible there is access to flexible work practices. And take advantage of our annual leave, reaching five weeks after three years of service, and 10 days sick leave from starting with us. In addition, take one paid day a year for your personal Wellbeing. We also offer parental leave and partner entitlements to support you during significant life moments.
5. Comprehensive Benefits: We have partnered with providers for discounted Southern Cross medical insurance, periodic vision and hearing tests, and eyewear subsidies. You can also access discounts at a range of retailers via Boost. Gain access to top-notch gear, machinery, PPE, and tools, fostering a safe work environment if you are “on the tools”. We also offer a staff referral bonus paid when a person is recruited for a senior front line position, and we may offer relocation support if you need to move into the district to work here.
6. Professional Growth: Grow your skills with a range of development opportunities. Boosting your personal and work career.
7. Community Connection: You can take one paid day a year to participate in voluntary work on a water-related activity. And maybe join our active Waiata group and be part of a community that works together, sings, and thrives together.
About Wellington Water
Wellington Water is owned by the Hutt, Porirua, Upper Hutt and Wellington city, South Wairarapa District, and the Greater Wellington Regional councils
The work Wellington Water does is vital and rewarding. We’re tangata tiaki for Wellington’s water, and caretakers of our water infrastructure. Every day, we work to ensure that our communities have access to safe, sufficient, reliable and efficient water services. WWL is growing, and opportunities are growing along with it. It’s a transformative time in the industry.