Principal Modeller - Water Networks

Watercare; Auckland; Hybrid; NZD 160,000 - 210,000; Full time

Benefits offered by this job

Training and development

Life and income protection insurance

Generous parental leave

Employee discounts

Job summary

Watercare is seeking a Principal Modeller - Water Networks in central Auckland. You will provide expert hydraulic modelling leadership, governance and mentoring across planning and capital programmes.

Assumed focus on complex modelling, stakeholder collaboration and scalable solutions to support Auckland's growth. This role requires 15+ years experience, Chartered status, and strong communication with cross-functional teams.

Qualifications

• 15+ years of experience in hydraulic modelling and/or water network planning.
• Chartered Professional status.
• Expert knowledge of hydraulic modelling tools, particularly InfoWorks WS Pro.

Responsibilities

• Provide technical leadership, governance and quality assurance for hydraulic modelling across Watercare.
• Lead complex hydraulic modelling assessments using InfoWorks WS Pro.
• Review, validate and audit hydraulic models to support planning and investment decisions.
• Develop and assess network growth, development and operational modelling scenarios.
• Mentor and develop hydraulic modellers and drive best practice across the organisation.
• Build strong relationships with Watercare, the development community and industry partners.
• Defend and justify modelling and servicing positions to internal and external parties.

Skills

Hydraulic modelling

Water network planning

Leadership

Stakeholder engagement

Education

Chartered Professional status

Tools

InfoWorks WS Pro

Job description

## Principal Modeller - Water NetworksApply: Central Auckland: Full time: Posted Today: End Date: October 30, 2026 (19 days left to apply): JR101497**He kōrero mō mātou | About Watercare** Ki te ora te wai, ka ora te whenua, ka ora te tangata*When the water is healthy, the land and the people are healthy* There's never been a better time to join Watercare. We're delivering a $15.2 billion, 10-year capital investment programme, the largest in our history, creating opportunities to work on transformative infrastructure, sustainability and digital projects that will shape Auckland's future. With more than $4 million invested every day, you'll be part of work that makes a lasting difference to our communities and environment. **He whakamārama mō te tūranga mahi | About this role**Reporting to the Team Leader - Water Networks Planning, you'll provide principal-level hydraulic modelling expertise, technical governance and mentoring across Watercare's water network planning function. You'll lead the application and interpretation of hydraulic models to support network planning, growth strategies, major developments, operational decision-making and capital investment planning.This is an influential role where you'll work across the business, partnering with planners, engineers, operational teams, developers, consultants and key stakeholders to identify network constraints, assess future growth scenarios and develop investment solutions that support Auckland's future needs.**What you’ll be doing**In this role, you will:* Provide technical leadership, governance and quality assurance for hydraulic modelling across Watercare.* Lead complex hydraulic modelling assessments using InfoWorks WS Pro.* Review, validate and audit hydraulic models to support planning and investment decisions.* Develop and assess network growth, development and operational modelling scenarios.* Support servicing plans, asset management planning and capital investment programmes.* Provide modelling expertise for major developments, capacity assessments and infrastructure planning.* Mentor and develop hydraulic modellers while driving consistency and best practice across the organisation.* Build strong relationships across Watercare, the development community and industry partners.* Defend and justify modelling and servicing positions to internal and external parties**Ngā pūkenga e rapu nei mātou | About you**You'll be a recognised technical leader within the water industry, bringing significant experience in hydraulic modelling and water network planning together with the ability to influence strategic outcomes.You'll ideally bring:* 15+ years' experience in hydraulic modelling and/or water network planning.* Chartered Professional status.* Extensive experience working with large and complex water networks.* Expert knowledge of hydraulic modelling tools, particularly InfoWorks WS Pro.* Strong infrastructure planning, network design and operational experience.* Exceptional stakeholder engagement and communication skills.* Proven leadership, mentoring and capability-building experience.* The ability to translate complex technical information into practical business decisions.**Ngā hua mōu | What's in it for you**We offer a competitive salary and staff benefits package including: • Training and development opportunities • Life and income protection insurance plans • Generous parental leave • Employee discounts at a range of large retailers**Me pēhea te tono mai | How to Apply**Come and join our team! If you are looking for an exciting career opportunity with a fantastic team then please apply online today - careers.watercare.co.nz.