You will lead the engineers who keep our core routing and switching environment running - infrastructure that spans over 10,000 applications (approximately 4,100 cloud-hosted), serves 190,000 users, encompasses 10,000+ locations, and includes multiple datacenters and multi-cloud environments. Key Responsibilities: Network Infrastructure Management (Core Routing and Switching): Own the operational health, performance, and security of the core routing and switching environment across datacenter, campus, WAN edge, and cloud connectivity, built primarily on Cisco platforms (e.g., Nexus, Catalyst, ISR/ASR).