Technical Director - Hydraulic Modelling

Technical Director – Wastewater / Storm Water ModellingAuckland | Lead with purpose, shape resilient communitiesEmpower change through water.At Mott MacDonald, we’re a global consultancy with a local heart—committed to delivering sustainable, inclusive, and impactful infrastructure solutions. Our teams across Aotearoa New Zealand are deeply embedded in the communities we serve, working together to shape a better future.We’re looking for a Technical Director – Wastewater / Storm Water Modelling to join our Water team in Auckland. This is a leadership role for someone who thrives on solving complex challenges, building trusted relationships, and driving innovation in wastewater infrastructure.Why this role mattersWater is fundamental to life, and how we manage it defines the resilience and wellbeing of our communities. As Technical Director, you’ll lead strategic modelling and network planning projects that support long-term infrastructure development across New Zealand. You’ll also play a key role in mentoring others, growing our market presence, and delivering excellence for our clients.Your ImpactClient & Market FocusLead the creation of new opportunities, including sole-sourced work, proposals, and bidsBuild deep understanding of client structures, funding models, and strategic prioritiesDevelop market-focused relationships to raise Mott MacDonald’s profile across the water and infrastructure sectorsProject LeadershipAct as Project Principal, Project Manager, or Design Manager on key projectsDeliver high-quality outcomes that meet or exceed client expectationsApply engineering expertise at a Chartered level (or equivalent), with a strong grasp of professional services and contract deliveryNavigate commercial risks and industry approaches to water infrastructure deliveryUse analytical tools and apply best practices in health and safety, risk management, and designManage project resources and budgets effectively, escalating changes as neededLead multiple projects simultaneously, ensuring alignment with strategic goalsAbout YouYou’re a seasoned hydraulic modeller and strategic thinker with a passion for wastewater and / or storm water infrastructure and community impact.You BringA degree in Engineering, Science, Geography, or a related disciplineExtensive experience in water and wastewater modelling and network planningProficiency in platforms such as InfoWorks ICM, DHI MIKE+, ArcGIS, and QGISStrong communication and leadership skills, with a collaborative mindsetA track record of delivering complex projects and building client trustA commitment to mentoring others and fostering a culture of growth and inclusionWhy Mott MacDonald?We’re committed to empowering our people and creating a workplace where everyone can thrive.Here’s What You Can ExpectCompetitive salary and enhanced KiwiSaver contributionsDiscretionary Group and Personal Performance Bonuses for eligible employees Flexible working arrangements that support wellbeing and balanceOngoing professional development and global career pathwaysA diverse, inclusive culture that values integrity, teamwork, and innovationOpportunities to work on projects that make a real difference in Aotearoa and beyondJoin UsIf you’re ready to lead with purpose and help shape the future of water infrastructure, we’d love to hear from you. Even if you don’t meet every requirement, we encourage you to apply—what matters most is your passion, values, and potential.Together, let’s build a more resilient, inclusive, and sustainable Aotearoa.Equality, diversity and inclusionWe put equality, diversity and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they have the opportunity to contribute.Agile workingAt Mott MacDonald, we believe it makes business sense for you and your manager to choose how you can work most effectively to meet your client, team and personal commitments. We embrace agility, flexibility and trust.Location(s):Auckland Central, NZContract Type: PermanentWork Pattern: Full TimeMarket: WaterDiscipline: Planning and modellingJob Ref: 10511Recruiter Contact: Matt McKenzie