Design the IP infrastructure of our multi-site data centers and the GRX/IPX interconnectivity and global PoP structure to access mobile partner networks. Define the WAN network strategy and lead the data centre LAN and WAN networks, specifically the configuration of DRAs, GTPs, GGSN/PGW, SBC, FW, Routers. Integrate direct roaming agreements and sponsored roaming agreements. Be a primary interface between teams and partners for network optimization.