You will support key initiatives including replacement of end-of-life network hardware, enhanced Wi-Fi deployments, high-speed internet connectivity services overlayed with SD-WAN technology, and alternative connectivity options such as satellite and 5G solutions for disaster recovery, rapid deployment, and facility expansion projects. In the Principal Network Engineer - Wireless role, you act as the senior technical authority for enterprise wireless services, with expert understanding of RF design, site surveys, spectrum analysis, and protocols; focused on improving reliability, security, user experience, and operational resilience across National Grid sites.