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Full timeEngineering

Flood & Drainage Engineer

ArcadisSydney CBD🇦🇺AustraliaPosted 18 Aug 2026

Quick overview

SeniorityMid Senior
Employment typeFull Time
Work modeHybrid
LocationSydney CBD, Australia
Posted2 months ago
Stakeholder ManagementGISRisk AssessmentRisk ManagementBusiness Development

Job description

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together.


Role description:
Due to consistent growth in our business, we are currently seeking Flooding and Drainage Engineer to join our Sydney Urban Development & Regeneration team. Although based in Sydney, you’ll be supporting our national team on challenging greenfield and brownfield residential, commercial, industrial and energy projects.
Role accountabilities:
  • Flood Modelling & Analysis: Developing, running, and maintaining hydraulic and hydrological models (e.g., TUFLOW, WBNM, HEC-RAS) to simulate flood behaviour, including mainstream flooding and overland flow.
  • Floodplain Management: Implementing the State Government's Flood Risk Management Manual to create flood studies, mapping, and management plans.
  • Planning & Development Review: Assessing development applications (DAs) and planning proposals for flood risks to ensure they align with local council policies.
  • Risk Assessment: Evaluating flood hazard, vulnerability, and risk to life and property for various scenarios, including climate change impacts.
  • Stakeholder Engagement: Consulting with internal teams, state agencies and the community to communicate flood risk and mitigation measures.
  • Technical Reporting: Preparing detailed technical reports for flood studies, risk management studies, and mitigation option feasibility.
Qualifications & Experience:

First and foremost, you share our passion for improving quality of life. You pride yourself for the part you play in transforming the world around you and understand the importance of teamwork. You are a technically capable Flood Modeller with experience in civil infrastructure or urban development projects. To be successful in this role you will have:

  • Qualifications: Relevant engineering degree (Civil or Environmental). Chartered status or seeking equivalent professional accreditation advantageous.
  • Experience: Demonstrated experience in flood hydrology, hydraulic modelling, and floodplain management, often in a consulting or local government context, most likely in consulting engineering or a similar local/state government role, with exposure to medium-large and multidisciplinary infrastructure projects.
  • Software Proficiency: Professional experience with TUFLOW (1D, 2D, combined 1D/2D) and GIS tools (ArcGIS/QGIS) is critical is an essential criterion.
  • Hydrologic Analysis: Experience in Hydrologic analysis (e.g., RORB, RAFTS, etc.) and flood modelling with other hydraulic modelling packages such as HEC-RAS is desirable.
  • Team Player: An ability to work on multidisciplinary projects and substantial experience in (or a desire to gain exposure to) dealing with clients and business development.
  • Regulatory Knowledge: Understanding of the NSW Flood Risk Management Manual (2023) and Australian Rainfall and Runoff (ARR) Guidelines.
Why Arcadis?
We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It's why we are pioneering a skill-based approach, where you can hardness your unique experience and expertise to carve your career path and maximize the impact we can make together.
You'll do meaningful work, and no matter what role, you'll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.
Together, we can create a lasting legacy.
Join Arcadis. Create a Legacy.
Our Commitment to Equality, Diversity, Inclusion & Belonging:
We want you to be able to bring your best self to work every day  which is why we take equality and inclusion seriously and hold ourselves to account for our actions. Our ambition is to be an employer of choice and provide a great place to work for all our people.
As an equal opportunity employer, we value and promote diversity at Arcadis and strongly encourage applications from Aboriginal and Torres Strait Islander people.
Veterans and spouses are invited to apply.
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