Senior Hydrologist

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, 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 the world’s most complex challenges and build legacies for future generations.

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.

We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description

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 Hydrologist 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 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 standalone hydrological studies and support 1D-2D hydraulic modelling commissions to assess fluvial and surface water flooding.
• Preparation of Flood Risk Assessments (FRAs); Strategic Flood Risk Assessments (SFRAs); surface water drainage strategies incorporating SuDS and environmental statements.
• Undertake quality assurance of technical work within your area of expertise.
• Nurture and develop graduate team members and junior colleagues.
• Manage 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.

If you're passionate about innovation and turning bold ideas into reality, AECOM welcomes you. Join our team, where we don't just construct infrastructure but also uplift communities and enhance lives. Why not give our AECOM Water page on LinkedIn a follow to stay updated on the impactful projects we're working on and see firsthand the difference we're making in the industry!

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.

Qualifications

Ready to push the limits of what’s possible?

Here’s what we’re looking for:

• Undergraduate degree (2:1 or above) in Civil Engineering, Geography, Environmental Science or a related discipline.
• Extensive practical experience in the application of hydrological methods, including FEH, ReFH2 and WINFAP for flow estimation.
• Extensive experience in the use of GIS software including QGIS, ArcGIS and MapInfo.
• Extensive experience in production of hydrological estimation 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 hydrological estimation 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:

• Low flow hydrological methods, including LowFlows
• 1D and 2D hydraulic modelling techniques within water consulting, including software packages such as Flood Modeller Pro, TUFLOW and InfoWorks ICM.
• 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.

Additional Information

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 View email address on jobs.smartrecruiters.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  

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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  View email address on jobs.smartrecruiters.com if you would like to apply through the Disability Confident Interview Scheme.

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