Senior Hydraulic Modeller Wastewater

Provide advice for complex infrastructure projects in WellingtonInfluence decision makersPetone-based role with easy access to rail, coast and local amenitiesThis is a full time position of 40 hours per weekThe remuneration for this role is $112,118.39 to $158,284.79 (including KiwiSaver) depending on skills and experienceThe opportunityAs a Senior Modeller Wastewater you will develop, maintain and operate wastewater hydraulic models and contribute to the development of operations and capex proposals. Your expertise and comprehensive skills will be utilised across the company. You will take a collaborative approach, playing an active role in advising on various infrastructure projects and overseeing the management of modelling consultants.You will get to:Provide technical advice to network operations, planning, engineering, and asset management teamsConduct thorough technical reviews (peer review) of outsourced model build projects and master planning studiesSupport strategic network planning and development controlSupport the organisation with Modelling insights and operational deliveryProject manage external model build contractsAbout youTo be successful in this role you will bring:A Tertiary qualified in a relevant discipline (for example, engineering or science)Ideally 10+ years' experience in Wastewater hydraulic modellingModelling project management experienceA continuous improvement mindset with strong data analytics skillsAbility to influenceStrong written and verbal communication skills including being able to communicate complex technical information into simple languageExperience in coaching and mentoringBenefitsAt Tiaki Wai, 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 2 days working from homeComprehensive wellbeing programme, including one paid wellbeing day annuallyFormal and informal professional development opportunities5 weeks annual leave accrual will be available following 2 years of continual serviceFor a full list of our employee benefits click here.About usTiaki Wai is a council-owned organisation responsible for managing the delivery of drinking water, wastewater, and stormwater services across Hutt Valley, Porirua, and Wellington.We manage public-owned extensive water infrastructure and oversee the delivery of safe and reliable services for our communities. We focus on long-term investment, asset management, maintenance, and delivering major infrastructure projects that support public health, environmental protection, and regional growth.Water is a precious taonga. At Tiaki Wai, we put care into every drop and are guided by our values of Integrity, Care, and Leadership. We work directly with water consumers and in partnership with councils and mana whenua to deliver better water outcomes for current and future generations.Applications close: Thursday 3 December 2026We will be reviewing applications as they are received and may progress suitable candidates prior to the closing date.How to applyTo view a copy of the position description: click hereTo apply for the role, click on the ‘apply’ button or visit the Tiaki Wai Careers site, if you are a Tiaki Wai employee please apply using your work email.For further information, email: [email protected] for safety sensitive roles will be required to undergo drug and alcohol testing prior to commencing employment with Tiaki Wai. You must also be legally entitled to work long-term in New Zealand or eligible to obtain a working visa.