Join Mott MacDonald as a Senior Hydraulic Modeller based in Auckland or Wellington, New Zealand. In this full-time role with flexible/agile working options, you will lead innovative water and wastewater network planning projects and mentor junior team members.
Requirements
A degree in Engineering, Science, Geography, or a related field.
Minimum 5 years of proven experience in water / wastewater network planning and hydraulic modelling.
Proficiency in software such as InfoWorks WS Pro, EPANET, InfoWorks ICM, DHI MIKE+, ArcGIS, and QGIS.
Strong analytical, problem-solving, and communication skills.
Skills & Responsibilities
Hydraulic modelling software: Develop and refine models using tools like InfoWorks WS Pro, EPANET, and ArcGIS to support strategic master planning and infrastructure development.
Network planning: Lead hydraulic modelling and network planning projects across water and wastewater systems to deliver sustainable solutions.
Communication: Communicate insights and technical solutions clearly to clients and multidisciplinary stakeholders.
Mentorship: Mentor junior team members and foster a collaborative culture of learning and excellence.
Potential transition routes: People from civil engineering, environmental engineering, or water resource management roles may bring strong analytical and water systems skills, alongside meeting the mandatory degree and 5+ years of modeling experience.
Job description
Brilliant people trusted to do brilliant things
Mott MacDonald is a vibrant and forward-thinking engineering, management, and development consultancy. Working together as a global team we plan, design, deliver and maintain the transport, energy, water, buildings, and wider infrastructure that is integral to people’s daily lives. We value excellence in every dimension of our business and continuously seek opportunities to improve what we do and how we do it.
We employ brilliant people who combine their diverse skills and experiences to achieve brilliant things. Whether you want to specialise or broaden your experience, you'll be supported by global specialists eager to share their expertise. With numerous opportunities to learn and grow, the possibilities are as diverse as our people. Working as a connected global team, we deliver impactful projects that shape the future.
About the opportunity
Water is life and how we manage it shapes the wellbeing of our people, our environment, and our future. As a Senior Hydraulic Modeller, you’ll play a key role in delivering innovative, data-driven solutions that support resilient, sustainable water systems across New Zealand.
You’ll work alongside a tight-knit, supportive team of engineers, planners, and digital specialists, contributing to projects that span the country and beyond. Your work will directly influence how communities grow, adapt, and thrive.
Lead and contribute to hydraulic modelling and network planning projects across water and / or wastewater systems
Develop and refine models to support strategic master planning and infrastructure development
Apply your expertise in software platforms such as InfoWorks WS Pro, EPANET, InfoWorks ICM, DHI MIKE+, ArcGIS, and QGIS
Collaborate with multidisciplinary teams across Auckland, Wellington, and nationally
Communicate insights and solutions clearly to clients and stakeholders
Mentor junior team members and contribute to a culture of learning and excellence.
About you
A degree in Engineering, Science, Geography, or a related field
Proven experience (minimum 5 years) in water / wastewater network planning and hydraulic modelling
Strong analytical thinking and a problem-solving mindset
Excellent communication skills and a collaborative approach
A passion for delivering high-quality, impactful work that benefits communities.
Culture & Benefits
Mott MacDonald celebrates diversity and inclusion, offering a supportive work environment that values work-life balance, diversity, inclusion, and equity. We welcome diverse applicants, including First Nations People, people with disabilities, members of the LGBTQIA+ community, and people of all genders, neurodiversity, cultural backgrounds, age groups, and those with intersectional identities.
Our benefits package is designed to enhance your experience:
A flexible and agile work atmosphere that caters to your professional journey and life's special moments
A competitive salary complemented by Discretionary Group and Personal Performance Bonuses for eligible employees
Comprehensive coverage including life and salary continuance insurance, providing peace of mind during uncertain times
Opportunities to enhance your work-life balance through the option to purchase extra annual leave
Employee resource groups including the Inclusive Network for Women, Corporate Social Responsibility and more
Employee Ownership
Our employee ownership model means no external investors, just us, creating a culture of shared success
Our employees have a stake and a voice in our business, giving them a direct connection to our success through our personal and group performance bonuses
As your career grows, so does your stake, recognising your long-term impact and contribution
Your voice matters, with the opportunity to connect directly with senior leadership through formal channels to help shape our future.
You’ve got this!
We endorse a diverse and inclusive workplace, and look to provide suitable opportunities for employees including the opportunity for part time and job shared roles where possible. If you are interested in this role and looking for a part time permanent opportunity, please apply! #LI-NP1
