Proven hands-on track record configuring and managing enterprise-grade Software-Defined WAN platforms (e.g., Cisco Catalyst SD-WAN/Viptela, Fortinet Secure SD-WAN, VMware Velocloud, or Silver Peak), including centralized policy enforcement, zero-touch provisioning (ZTP), and dynamic path selection. Network Development Engineers perform high-quality network and systems operations, deployments, scaling, technology refresh, sustaining engineering, best practices applications, optimization, internal/external customer interactions, and produce appropriate technical documentation.