Design Manager

We are looking to strengthen our engineering team with a Design Manager at our @One Alliance, Peterborough office with hybrid working available.

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 East 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.

• Lead design delivery across a portfolio of water recycling and wastewater projects
• Develop and manage Engineering Project Plans covering scope, programme, cost, risk and resources
• Direct multi‑disciplinary teams (process, mechanical, electrical, civil) to deliver high‑quality design solutions
• Collaborate with suppliers, subcontractors and internal stakeholders to integrate designs effectively
• Drive affordability, value and low‑carbon, environmentally sustainable solutions
• Ensure compliance with CDM regulations and lead a strong health & safety culture
• Lead, mentor and develop a high‑performing engineering team
• Support innovation, standardisation and the use of digital engineering (including 3D modelling)
• Work closely with wider alliance functions (delivery, procurement, construction) to achieve project outcomes

• Degree in Engineering (or equivalent)
• Chartered, or working towards Chartered status
• Proven experience leading engineering teams and delivering design for capital projects
• Strong understanding of CDM regulations and design responsibilities
• Experience with in the water sector or infrastructure projects
• Skilled in managing risk, programme delivery and project affordability
• Strong leadership, collaboration and decision‑making skills
• Passion for sustainability, innovation and continuous improvement