Malcolm Nicholson is a seasoned Network Security Engineer currently employed at Nationwide Building Society since February 2022, where responsibilities include the design and implementation of security and network projects, with expertise in firewall policy design, Cisco configurations, and leading project delivery. Previously, Malcolm served as a Senior Infrastructure Engineer at Perfect Image Ltd, focusing on project delivery and system upgrades, and held roles at Arriva Group, University of Sunderland, Vocare Group, and Durham University, gaining extensive experience in managing networks, firewalls, and providing technical support across various sectors. Early career positions included customer service and technical advisory roles at Home Group, The Listening Company, and Cineworld Cinemas Ltd.