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There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

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How you’ll make a difference

In this role, you'll join a multidisciplinary Water Resources team and contribute to drainage network modelling and design, and water resources assessments across diverse projects in transport, defence, mining, and energy transition (including wind, solar, and BESS). You’ll collaborate with multidisciplinary teams locally and nationally, while benefiting from mentoring by industry-leading specialists and opportunities to work across NSW and throughout Australia.

This position would likely suit an engineer with 3 - 7 years’ post-graduate experience looking to further develop their technical skills in a cooperative consultancy environment.

In this role, you will mainly support the delivery of drainage modelling and design packages for major transport and civil infrastructure projects.



You will work on technically challenging projects that require practical, coordinated, and design-focused solutions across large road corridors.

What you'll be doing

- Undertaking drainage network modelling and design for major road and transport infrastructure projects

- Developing and documenting stormwater drainage systems, including pit and pipe networks, longitudinal drainage and corridor drainage solutions

- Preparing design models, drawings, calculations and technical reports

- Coordinating with broader civil, road, water and multidisciplinary design teams to achieve integrated project outcomes

- Supporting the delivery of projects from planning and concept design through to detailed design

- Contributing to proposal support and maintaining strong client service outcomes

- Continuing to develop your technical skills, project delivery capability and local market knowledge

The following qualifications and experience are highly desired, but if you don’t tick all the boxes you could still be a perfect fit for this role. Please apply, all applications will be considered.

The qualities that help you thrive

- Experience delivering work within a consulting, design or engineering environment, ideally 3-7 years

- Demonstrated experience in drainage network modelling and drainage design, particularly for major transport or road corridor projects

- Proficiency in 12d,



DRAINS and AutoCAD

- A sound understanding of drainage design principles for linear infrastructure and road corridor environments

- Strong written and verbal communication skills

- The ability to work effectively within multidisciplinary project team

- Familiarity with relevant Australian drainage design standards and guidance

- Exposure to hydrologic or hydraulic assessment tools that support drainage design outcomes

Why you’ll love working with us

- Flexible work arrangements, including alternative start/finish times, job-sharing and hybrid work options

- Purchase up to 6 weeks additional annual leave per year

- Volunteer and representation leave

- Flex public holidays – swap Easter or other holidays for ones that suit you better

Ready to push the limits of what’s possible?

We welcome applications from individuals of all backgrounds, including those with disabilities, additional health or mental health needs, and/or neurodiverse conditions. If you require any adjustments during the hiring process, please let us know.

Applications are reviewed as they come in, and the role may close earlier than expected, so if this opportunity sounds like you, we encourage you to apply as soon as possible.

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📌 Drainage Engineer (Sydney)
🏢 AECOM Australia
📍 Sydney