Principal Hydrologist

• Legal Entity: AECOM Infrastructure and Environment UK Limited
• Business Line:
  Water
• Work Location Model:
  Hybrid
• Operating Group:
  International
• Primary
  
  Location:
  
  UK - Bristol, 3 Rivergate

"Lead hydrology projects that protect communities and shape the future of water!"

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 h 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 nearly 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.

Start here. Grow here.

“Are you ready to join a team of hydrologists and shape the future of the Water Industry?”

Join our dynamic and multidisciplinary Water Team as a Principal Hydrologist. You can be based in one of our UK or Ireland offices whilst also taking advantage of our flexible hybrid working model.

You will be a key player in delivering impactful water projects across the UK and internationally. You will lead hydrological assessments that inform flood risk management, major infrastructure planning, water resources strategy, and environmental permitting.

This is a senior role combining technical excellence, client engagement, project oversight, and team leadership within a growing water team.

Here’s what you’ll do:

• Lead hydrological assessments to support flood risk appraisals, infrastructure design, catchment strategies, and environmental impact assessments.
• Provide technical direction on rainfall-runoff modelling, river flow estimation, climate change allowances, and catchment analysis.
• Oversee and review hydrological modelling outputs, ensuring quality, accuracy, and compliance with UK regulatory guidance.
• Act as technical lead on major frameworks and multidisciplinary projects across transport, energy, water, and development sectors.
• Advise clients on flood risk policy, drainage strategy, abstraction licensing, and environmental permitting requirements.
• Mentor and develop junior hydrologists, fostering technical excellence and knowledge sharing.
• Support business development activities, including bid preparation and client relationship management.

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 Linked In 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…