2026 UK Graduate Mechanical Engineering Career Path: Water Sector
Salary
Annual
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. Turn your ambition into action - apply now and shape your future with us. Job Description Engineer the Future of Water. Empower Communities. Protect the Planet. At Mott MacDonald, we're not just building infrastructure-we're shaping the systems that deliver clean water, protect public health, and support sustainable living. As a Graduate Mechanical Engineer in our Water Division, you'll be part of a team that's transforming the entire water cycle-from abstraction and treatment to distribution and disposal. You'll work on high-profile, innovative projects, including advanced resilience schemes at some of the largest wastewater treatment works in the UK, helping protect the River Thames and surrounding communities from pollution and flooding. This is your opportunity to contribute to meaningful change, supported by a culture that values your growth, wellbeing, and ideas. What You'll Be Doing:
- Design with purpose: Contribute to mechanical designs across the full water cycle-potable water systems, wastewater treatment, and more.
- Innovate and collaborate: Work alongside multidisciplinary teams to deliver sustainable, forward-thinking solutions for complex challenges.
- Learn and grow: Gain exposure to cutting-edge technologies and engineering practices, supported by mentoring and training.
- Make an impact: Help deliver projects that improve lives, protect ecosystems, and respond to the climate emergency.
- Proactively takes initiative to complete tasks efficiently and independently.
- Communicates effectively and clearly with clients and colleagues.
- Delivers high quality written work with strong attention to detail and clarity.
- Demonstrates a structured and analytical approach to problem solving.