Since graduating from university, Lewis has worked for Mott MacDonald’ water division. Working on a variety of projects in the water sector specialising in hydraulics and pipeline design. Lewis achieved chartership with the Institution of Civil Engineers in 2016.
Lewis was the lead designer for the Grafham WTW Resilience project which was winner of the Carbon Reduction Project of the Year at the British Construction Industry Awards 2017. This project involved using existing infrastructure to provide resilience to a clean water network serving over 600,000 household customers.