Lindsay joined Cranfield Airport in 2000 once there, passed through the ranks to Fire Service Manager in 2011, improving performance across all areas of service delivery as well as leading improvement and development projects.

From 2018, Lindsay took a new role as Aviation Safety and Compliance Manager and is now responsible for the maintenance compliance and delivery of Cranfield Aviation Operations, including, Cranfield Airport, Airport Fire Service, National Flying Laboratory, Cranfield Air Navigation Service Provider and UAV/Drone Operations.