• Supported and maintained enterprise WAN/LAN networks across multiple customer environments using Cisco ISR and Juniper SRX platforms. • Designed and implemented routing and firewall configurations to meet client connectivity, security, and high-availability requirements. • Provisioned and deployed routers using DCP automation tools, reducing manual configuration effort and ensuring standardized builds. • Executed SD-WAN deployments, validating DHCP, VPN tunnels, LTE connectivity, and dual/standalone port configurations. • Configured and managed BGP-based services including Onnet EDI, Offnet EDI, and Offnet DIA circuits. • Implemented and maintained UTM firewall policies and ACLs to enforce enterprise security controls. • Ownedincidenttroubleshootingacross routing, switching, VPN, and SD-WAN issues, performing RCA and driving corrective actions. • Supported change management activities, including planned maintenance, configuration updates, and post-change validation. • Collaborated with field engineers, service providers, and internal teams to ensure timely service delivery and issue resolution. • Maintained network documentation and operational dashboards to track provisioning status, incidents, and SLA performance.