
Hybrid – Peterborough (3 days per week in the office for those within the Anglian Water region; flexible hybrid options available for candidates based further afield)
Join the award-winning @one Alliance, delivering a £9bn investment programme to safeguard water resources, enhance the environment, and support sustainable growth across the East of England—one of the UK’s most water-stressed regions.
We’re looking for an experienced Design Manager to lead the engineering design delivery of a diverse portfolio of water recycling projects across the West region. You’ll head up a multi-disciplinary engineering team, driving innovative and sustainable solutions that improve wastewater treatment performance, reduce carbon, and enhance natural capital.
Working collaboratively across the @one Alliance, you’ll champion new ways of working—focusing on outcomes over outputs—while embracing digital technologies and continuous improvement.
Why Join Us?
Be part of a forward-thinking, collaborative alliance delivering industry-leading infrastructure that protects and enhances the environment. You’ll play a key role in shaping resilient water recycling systems, while developing your career in a supportive and progressive environment that values innovation, diversity and growth.
Closing date: Friday 14 October 2026

Anglian Water's @one Alliance is an integral part of the Anglian Water ecosystem, delivering complex projects across the Water and Water Recycling network. Comprising 8 industry-leading organisations, each contributing specialised expertise, @one efficiently manages over 40% of Anglian Water's capital delivery programme.
Our partners are Anglian Water Asset Delivery, Balfour Beatty, Barhale, Binnies, Mott MacDonald Bentley (MMB), SWECO, SKANSKA and MWH Treatment. Employees in the @one Alliance are employed across all our partner companies and work together to deliver complex programmes of work.
Following the successful delivery of £1.2bn during AMP7, the @one Alliance is now delivering approximately £3bn of vital work as part of Anglian Water’s £11bn AMP8 business plan, covering around 750 projects over the next five years.
Since our establishment in 2005, @one has grown to a team of over 1,300 employees. And with plans to welcome an additional 500 new team members over the next 12-18 months, the Alliance is set to expand even further.
If this interests you, then take a look at our jobs page to see the options available to you!