Hydrology, Stormwater & Flooding Engineer

GHD Group; Christchurch; Hybrid; NZD 90,000 - 130,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

GHD is seeking a Hydrology, Stormwater & Flooding Engineer to join our national water team in Christchurch or Wellington. You will contribute to planning, analysis and design across infrastructure and advisory projects within multi-disciplinary teams.

As a developing professional with 4+ years in hydrology or flood modelling, you will work with industry-standard tools and NZ regulatory frameworks, growing your technical capability while delivering high-quality reports and client outcomes.

Qualifications

• >4+ years in hydrology, stormwater or flood modelling
• Experience with hydrology/hydraulic tools like HEC-HMS/HEC-RAS/InfoWorks/Tuflow
• Knowledge of NZ standards and regulatory frameworks for stormwater and flood management
• Strong problem-solving and attention to detail

Responsibilities

• Support delivery of infrastructure and advisory projects across planning, investigation, modelling and design phases
• Undertake hydrological and hydraulic analysis including catchment modelling and flood assessment
• Contribute to stormwater design, flood risk assessments and integrated water management
• Develop client relationships to ensure project outcomes and satisfaction
• Prepare high-quality reports and deliverables
• Collaborate with virtual teams across GHD offices
• Mentor and guide graduates on projects

Skills

Hydrology

Stormwater modelling

Flood modelling

Communication

Tools

HEC-HMS

HEC-RAS

InfoWorks

Tuflow

Job description

Jora New Zealand will close on 9th September 2026. Thank you for being with us, we are cheering you on as you continue your career journey.

The importance of water to the health of our world can’t be overstated.

As the frequency and intensity of floods, droughts and storms increases, the water industry must continue to build resiliency and lead from the front.

Together with our clients, we are thinking and doing things differently to help pre-empt and prepare for what's next.

Be a part of this dynamic and committed team of diverse water specialists and drive change for your community.

You’ll be able to apply our powerful global network of skills and decades of experience to create positive water outcomes that respect nature and nurture communities

This is a fantastic opportunity for a Hydrology, Stormwater & Flooding Engineer to join our national water team in Christchurch or Wellington. Other locations where GHD has a presence will also be considered for the right candidate.

About the role

This role will see you contributing to the planning, analysis and design of hydrology, stormwater and flood management solutions across a range of infrastructure and advisory projects. You will work within multi-disciplinary teams, supporting project delivery while continuing to develop your technical capability and professional judgement.

Key responsibilities

• Support the delivery of a wide range of infrastructure and advisory projects across planning, investigation, modelling and design phases
• Undertake hydrological and hydraulic analysis, including catchment modelling and flood assessment
• Contribute to stormwater design, flood risk assessments, and integrated water management solutions
• Develop good business relationships with existing and potential clients to ensure required project outcomes are met and client satisfaction is maintained at a high standard.
• Preparation of high-quality reports, correspondence and other deliverables, as required.
• Perform office and site-based roles, including working with virtual teams across GHD offices nationally and internationally.
• Provide guidance to graduate design engineers on projects and be able to train and mentor them.

About you

You are a developing professional with a solid technical foundation and a desire to grow your capability in hydrology and water engineering. You bring curiosity, collaboration and accountability to your work, and are motivated to contribute to outcomes that benefit communities and the environment.

What you will bring

• At least 4 years’ experience in hydrology, stormwater or flood modelling within a consulting or infrastructure environment
• Working knowledge of hydrological and hydraulic modelling tools (e.g. HEC-HMS, HEC-RAS, InfoWorks, Tuflow, or similar)
• Understanding of New Zealand standards, guidelines and regulatory frameworks relating to stormwater and flood management
• Strong problem-solving skills and attention to detail
• Effective written and verbal communication skills
• Organised in multitasking of self and others and able to meet deadlines
• Ability to be proactive and take ownership of tasks and projects
• Self-motivated and energetic
• Flexibility in your approach to challenges

Visit our GHD New Zealand Water page to explore our work, projects, and opportunities in the water sector.

Our Hybrid Work Model

Be part of the dynamic culture! Our workplace thrives on a hybrid model, combining in-office collaboration and flexibility. Join us in office, three days a week to contribute, connect and excel in our vibrant environment.

Ki GHD, ka ākina te kaimahi e mātou kia tutuki ōna ake moemoeā. Nā te mea, ko te kaha o te tangata te tuarā o te pakihi. Nā reira, he hiahia nō mātou ki te whiwhi kaimahi nō ngā ahurea tuakiri maha, nō whenua rerekē, tane mai, wahine mai.

At GHD we encourage individual achievement and recognize the strength of a diverse workforce. GHD is committed to providing Equal Employment Opportunities and invites applications from people of all nationalities, genders, and cultural backgrounds.

We respectfully ask that no agency resumes be presented at this stage.

Come together and make a meaningful impact.

We bring our people together to create something bigger and solve some of the world's most complex problems. Come and experience the power of commitment and see strategy and ideas come to life when you join GHD.

Let's drive real change.

Our Pledge to You

At GHD, we don’t just believe in the power of commitment, we live and breathe it every day.

That’s why we pledge to empower our people to make a positive impact. Combining our deep technical expertise with the capabilities of our clients and partners, we respond to some of the most complex challenges facing our planet today.

See where your commitment could take you.

That’s the #PowerOfCommitment

Who We Are

GHD is a global professional services company that leads through engineering, architecture, and construction expertise. We are an employee-owned company with over 11,000 diverse and skilled individuals, across more than 200 offices spanning five continents.

The Power of Commitment is our brand promise. It’s what makes us different. We are bound to our stated vision and determination to address humanity’s most urgent needs: to make water, energy and urbanisation sustainable for generations to come.

Be careful - Don’t provide your bank or credit card details when applying for jobs. Don't transfer any money or complete suspicious online surveys. If you see something suspicious, report this job ad .