Rendel, part of the Ingérop Group, is a leading international, multidisciplinary design and engineering consultancy. We have been shaping the world since 1838 — making us one of the UK’s oldest civil engineering consultants. Our current projects span High Speed Rail, Bridges, Nuclear Power, Immersed Tube Tunnels, Ports, and more.
We have an exciting opportunity for a Principal Drainage Engineer to join our head office in London.
You will lead drainage design in a Design & Build environment, shaping solutions that are practical, buildable and commercially aware, working on projects from various sectors including highways, rail, ports and maritime. Some of the day to day tasks will include:
We employ a world-class team of highly qualified staff, ranging from seasoned professionals to the best graduates, undergraduates, and apprentices. You will be working with a diverse, friendly and resourceful team on interesting and challenging projects. Working with us, you will enjoy competitive salary and benefits, including profit share scheme, discretionary bonus scheme, private medical insurance, employee assistance programme, Sport and Social Club, paid volunteer days, French lessons, continues professional development, which is at the heart of our culture, and an environment where the support and care for the wellbeing of our people is important to everyone.

Ingerop is an independent engineering company employing 3 500 people and with its head offices in Rueil-Malmaison (France).
In 2024, its sales exceed €458 million, of which 31 % internationally. The Group has developed an engineering expertise in its core businesses of Buildings, Water, Energy, Industry, Infrastructure, Transportation and Urban developement.
Active in more than 100 countries, Ingérop continues its steady growth both in France and abroad by supporting investments of its public and private clients through its independent shareholding, technical expertise and capacity for innovation. A leading player in engineering and consulting in sustainable mobility, energy transition and living environment, today's and tomorrow's major challenges.
Ingerop subsidiaries: ADT, Arcora, Actierra, AVLS, Cicad, Citizing, Deltaedre engineering, Envirotech, Evectra, Géos, GLI, IBF, Hyna + Weiss, Ingérop Contracting, Ingerop Deutschland, Rendel, Smart2, Stonebridge Commerial Solutions, T&RS, ...