Company Description
"At AECOM, I enjoy free access to an extensive network of industry leading specialists, which has helped me grow and expand my knowledge. Mostly though, I love that I get to work with and mentor the brightest young minds our industry has to offer. " - Richard Corbett, Water Services Lead
Work with Us. Change the World.
At AECOM, we are delivering a better world. Whether improving commutes, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive.
We are the world’s trusted infrastructure consulting firm, partnering with clients to solve complex challenges and build legacies for future generations. With accelerating infrastructure investment worldwide, our services are in great demand.
Join our global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create positive, tangible impact. We are one global team driven by a common purpose to deliver a better world — and we invite you to bring bold ideas and big dreams to shape what’s next.
Job Description
What you'll do
We are seeking an experienced Principal Water Resources Engineer (Flooding) to join our Sydney team in our busy CBD office.
In this senior technical role, you will provide expert leadership in the delivery of complex water resources and flood engineering projects across major infrastructure and development sectors. You will play a key role in shaping technical approaches, solving complex hydrologic and hydraulic challenges, and ensuring high-quality, defensible outcomes for our clients.
Your focus will be on leading the technical direction of projects, including the development and review of flood studies, hydrologic and hydraulic modelling, and water management strategies. You will work closely with multidisciplinary teams, providing specialist input and mentoring engineers, while remaining actively involved in detailed technical delivery.
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Leading the technical delivery of flood risk assessments, hydraulic modelling, and water resource management studies for major projects
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Providing expert input into hydrologic analysis, flood behaviour assessment, and model development using industry-standard tools
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Developing innovative and practical solutions to complex water management and flood risk challenges
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Reviewing and approving technical reports, models, and design outputs to ensure accuracy, quality, and compliance
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Supporting project teams with high-level technical advice and mentoring
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Engaging with clients, regulators, and stakeholders to provide trusted technical guidance
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Ensuring alignment with Australian standards and guidelines
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Contributing to technical excellence initiatives and staying current with emerging tools, methodologies, and regulatory changes
Qualifications
What you'll bring
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Proven professional experience (ideally 10+ years) in water resources engineering, flood management, or related civil engineering disciplines
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Proven experience leading technical teams and directing complex engineering projects
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Demonstrated experience with a combination of water resource modelling packages such as TUFLOW, MIKE, DRAINS, HEC-RAS, RORB etc.
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Strong knowledge of flood risk assessment methodologies, hydrologic and hydraulic modelling, catchment management, mine and CSG water management, and climate change adaptation strategies
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Comprehensive understanding of Australian Standards and water legislation, environmental regulations, and compliance requirements
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Demonstrated management skills, with the ability to lead multiple projects simultaneously
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Proven track record in winning and delivering work within a consultancy environment to a high technical standard
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Exceptional written and verbal communication skills for both technical and non-technical audiences
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CPEng (Engineers Australia), highly advantageous
If you don’t meet every requirement listed, we still encourage you to apply. We value diverse experience and perspectives, and your application will be considered for this role as well as other opportunities across AECOM where your skills and experience may be a strong fit.
Additional Information
Why join AECOM?
AECOM is the global infrastructure leader, committed to delivering a better world. Here, you’ll have the opportunity to work on meaningful projects, collaborate with industry-leading professionals, and grow your career in a flexible and inclusive environment.
We offer:
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Flexible work arrangements and multiple career pathways in people management, technical discipline leadership or key client management ownership
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A collaborative, high-performing team environment with global reach
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Opportunities to work on complex and impactful projects across Australia and globally
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A strong focus on professional development and technical excellence
Ready to Apply?
Ready to shape resilient water futures and lead a high-performing team?
We would love to hear from you.
Apply today and help us deliver a better world.
At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.
AECOM acknowledges the Traditional Owners and Custodians of the lands on which we, our clients and our communities live and work around Australia. We pay our respects to their cultures and to their Elders — past, present, and emerging. We are committed to connecting to Country in our work through meaningful engagement with First Nations peoples and businesses. Find out more about our Australian Reconciliation Action Plan here: https://aecom.com/au/our-vision-for-reconciliation/.
About AECOM
AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $16.1 billion in fiscal year 2025. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.
Freedom to Grow in a World of Opportunity
You will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.
You will help us foster a culture of equity, diversity and inclusion – a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.
AECOM provides a wide array of compensation and benefits programs to meet the diverse needs of our employees and their families. We also provide a robust global well-being program. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too.
Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.
