This role owns the transport side of cell site router conversions to Nokia 7250 IXR routers: building the router configuration from the carrier IP plan, leading the cutover in the maintenance window, rolling back if needed, and handing off a clean, documented site. Build and audit Nokia SR OS router configurations from carrier IP plans and templates (interfaces, VLANs, VPRN/IES services, routing, QoS, PTP/sync).