Senior/Principal Hydraulic Modeller

Start here. Grow here.

AECOMs UK&I Water Resources team provides services to a range of public and private sector clients. The team comprises over 100 Engineers and Consultants nationally, delivering projects of varying scales from planning support to local developers, hydraulic modelling projects to support the Environment Agency, to nationally significant multi-disciplinary infrastructure projects.

The Bristol Water Resources team forms one of AECOM’s UK hubs for delivery of hydraulic modelling, delivering a broad range of flood risk and water resources projects across the UK. We are looking to appoint a Senior/Principal hydraulic modeller to support the continued growth of the team.

You will become a key part of a dynamic, friendly and supportive team located in central Bristol, and will be responsible for leading the technical delivery of flood risk modelling and water management projects across the UK.  

We envisage that you will use your experience to develop robust technical approaches for delivery of projects, and to take ownership of delivery to ensure projects are completed to a high standard. You will promote the adoption of modelling best practice, through undertaking quality assurance reviews and providing mentorship to support the development of junior members of the team.

Here’s what you’ll do:

• Lead and undertake 1D-2D hydraulic modelling commissions to assess fluvial, surface water and tidal flooding.
• Undertake other forms of technical work including Flood Risk Assessments; hydrological assessments; flood defence design; strategic flood risk assessments; design of sustainable urban drainage systems and environmental statements.
• Undertake quality assurance of technical work within your area of expertise.
• Nurture and develop graduate team members and junior colleagues.
• Take a proactive approach to managing client relationships, clarifying expectations, success criteria and outcome measures in order to meet their requirements and deliver successful projects.
• Assist with the preparation of bids and proposals for internal and external clients.

Come grow with us.

Become part of our dynamic Water business, which boasts around 600 experts across the UK & Ireland. Collaborate with top-tier engineers and consultants to deliver a variety of captivating projects, from small initiatives to large-scale ventures, all the way from concept to completion.

At AECOM, you’ll thrive in an inclusive and forward-thinking environment where your contributions are valued - and let's not forget about the perks! You'll enjoy a range of core and personalised benefits designed to support your future and well-being, customised to fit your lifestyle. Take advantage of career development opportunities, technical practice networks, AECOM University, volunteering days and our flexible hybrid working model to ensure a work-life balance that suits your lifestyle. We recognise that everyone’s circumstances are different, so we’re happy to discuss part-time or flexible working arrangements that suit you.

Why Join Us:

• Be part of a dynamic team that tackles challenging and impactful water projects.
• Work alongside industry-leading professionals and thought leaders.
• Engage in a collaborative and inclusive work environment.
• Access to continuous learning and development opportunities.
• Competitive salary and comprehensive benefits package.
• Enjoy the flexibility to work in a way that fits your lifestyle while supporting a healthy work–life balance.

 

Ready to push the limits of what’s possible?

Here’s what we’re looking for:

 

• Undergraduate degree (2:1 or above) in Engineering, Geography, Environmental Science or a related discipline.
• Extensive practical experience in the application of 1D and 2D hydraulic modelling techniques within water consulting, including software packages such as Flood Modeller Pro, TUFLOW and InfoWorks ICM.
• Extensive experience in the use of GIS software including QGIS, ArcGIS and MapInfo.
• Extensive experience in production of hydraulic modelling reporting deliverables.
• A track record of leading the successful delivery of flood risk and water management projects, including liaison with private/public sector clients and regulators.
• Experience in undertaking Quality Assurance reviews of hydraulic models and associated reporting.
• Experience in the preparation of tenders/proposals.
• Personable and team focused, with enthusiasm to provide technical mentorship and support to junior team members.
• Commercial awareness and the ability to support the team to deliver projects on time and budget.

Desirable Experience:

• Experience in the preparation of Flood Risk Assessments.
• A working knowledge of hydrological flow estimation, including industry standard techniques (WINFAP-FEH, ReFH2).
• Project management experience.
• M.Sc. / Ph.D in relevant technical areas would be advantageous.
• Chartered with ICE/CIWEM, or working towards Chartership.

 

You will also be self-motivated with an ability to work both autonomously where required, with a strong sense of commitment, a willingness to learn and a desire to work in a dynamic deadline driven team environment.

At AECOM, we believe in creating a better world through innovative and sustainable solutions. If you share our vision and are ready to make a difference in the nuclear industry, we want to hear from you.

Application Support

We celebrate diversity, including neurodiversity, and believe it enriches our team. We welcome applications from all backgrounds and abilities. If you are an applicant with a disability that requires reasonable accommodation to complete the application process, please contact us at ReasonableAdjustments@aecom.com. At AECOM, we value everyone's unique contributions and perspectives.

If you meet some of the requirements above or have transferable skills you believe would benefit us, we would be delighted to hear from you!

Additional Information

“Want to find out more about the role or what working at AECOM is like?”

You can learn more about us here: Candidate Brochure 

Or why not connect directly with our recruiter on LinkedIn to unlock insights and take the next step towards your dream career!

Click here to connect with the Recruiter via LinkedIn

Alternatively you can email the recruiter at rhys.platten@aecom.com or register your interest here and we’ll keep you updated on our latest opportunities. 

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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.

 

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 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, benefits and well-being programs to meet the diverse needs of our employees and their families. 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.

We are a Disability Confident Employer and will offer an interview to applicants who have a disability or long-term condition, who meet the minimum/essential criteria for the role. Please let us know using this email address ReasonableAccommodationsUKI@aecom.com  if you would like to apply through the Disability Confident Interview Scheme.

All your information will be kept confidential according to EEO guidelines.