Job Title: Senior Network Engineer / Network Data Administrator Location: Warwick, UK Mandatory Skill: Network Data Administration Work Type: Onsite / UK-based (with ad-hoc travel to client sites) Job Overview We are seeking an experienced Senior Network Engineer to support a major UK infrastructure modernisation programme. The role focuses on enhancing network reliability, security, and user experience across a large-scale enterprise environment. This initiative involves upgrading end-of-life network hardware, deploying advanced Wi-Fi solutions, and delivering high-speed connectivity services integrated with Cisco SD-WAN technologies. The programme also includes exploration and implementation of alternative connectivity solutions such as satellite and 5G technologies to support disaster recovery, rapid deployment, and enterprise expansion initiatives. A significant part of the role will involve conducting on-site wireless surveys and network design activities using tools such as Ekahau. Key Responsibilities Lead and support the modernisation of enterprise UK network infrastructure. Design, implement, and optimise Wireless LAN solutions across large-scale environments. Conduct physical and desktop Wi-Fi surveys using Ekahau and RF design methodologies. Support deployment of Cisco SD-WAN (Viptela) and related WAN connectivity solutions. Design and maintain LAN switching environments including VLANs, STP, RSTP, MSTP, EtherChannel, and QoS configurations. Configure and troubles