2027 UK Graduate Hydraulic Engineer Career Path

Before making an application, please browse all graduate opportunities available as we will only accept one application per candidate. Once you have made an application you will not be able to make changes to your selection or make a new application. The exception is if we open new vacancies in the new year.

To avoid missing out on your preferred role, we recommend applying as early as possible, as positions will close once filled.

Application process

• Online strengths-based assessment
• Application form

CVs and cover letters are not required as part of the application process. Candidates will be assessed through a single-stage strengths-based interview.

Start your career with a global, employee-owned consultancy where your work can make a real difference. At Mott MacDonald, you’ll work alongside experts, contribute to meaningful projects, and have the support, learning opportunities, and experience needed to grow your career from day one.

Job Description

This role will present you with a fantastic opportunity to develop your technical and project management skills through your project work, with great prospects for career progression as the business continues to grow.

Working on a number of water frameworks across the UK and internationally, you’ll work alongside our senior and principal modellers as part of our UK-wide modelling team. Your network modelling work will include model build (1D and 2D models), model calibration, verification, foul water flooding assessment or clean water network resilience planning, and mitigation solution optioneering. Your daily work will involve working with industry standard hydraulic modelling software as well as GIS and coding. You will also be responsible for producing reports and presenting to clients.

You can see examples of our work and find out more about the discipline here on our website:

Wastewater networks - Mott MacDonald

Clean water networks - Mott MacDonald

Graduate Hydraulic Engineer

Design Networks. Manage Water. Deliver Solutions.

Plays a key role in helping to shape the future of water and wastewater infrastructure. Working on projects across the UK and internationally, you will contribute to the planning, design and improvement of water supply, wastewater and drainage networks that support communities and protect the environment. You will collaborate with multidisciplinary teams to develop innovative and sustainable solutions that address challenges such as climate change, population growth, flooding and ageing infrastructure.

What you’ll be doing:

• Supporting the development and delivery of water, wastewater and drainage projects that improve network performance and resilience.
• Analysing data and technical information to identify challenges, evaluate solutions and inform decision-making.
• Collaborating with multidisciplinary teams to help design and improve water supply, wastewater and drainage infrastructure.
• Contributing to projects that address flooding, environmental protection, river and coastal water quality, and sustainable water management.
• Developing technical knowledge and gaining experience with industry-leading tools, digital technologies and engineering approaches used across the water sector.
• Producing technical reports, presenting findings and supporting engagement with clients and project stakeholders.

Candidate Specification

At Mott MacDonald, we’re looking for curious, motivated graduates who want to make a real difference. Join our purpose-driven teams where your ideas matter, your growth is supported, and your work enhances the world we live in.

To be eligible for this opportunity, you will haveless than 12 months’ relevant experience(excluding placements) and have a masters degree (obtainedno earlier than 2025) or expected to achieve one of the following degree disciplines:

• Geography
• Hydrology and Water Management
• Water and Environmental Engineering
• Environmental Science
• Civil Engineering
• Mathematics

For some of our opportunities, a master’s degree is essential – this is reflected in the list of opportunities in the application form

In your application, you should aim to demonstrate your genuine interest in both the opportunity and in joining Mott MacDonald. You can do this by highlighting any relevant experience or interests - such as modules you've studied, previous work experience, or any research you've undertaken about our