Azhar Uddin

L3 Network Engineer specializing in Cisco SD-WAN, LAN/WAN operations and implementation. Manage Viptela SD-WAN, perform traffic-path analysis across branch, DC, cloud, Zscaler and firewall paths, validate OSPF/BGP/OMP, NAT, ACL and subnet reachability. Execute approved changes including SVI creation, VLAN extension over port-channels, ACL/routing updates and CHG/RITM. Resolved P1/P2 issues involving AWS BGP outage, CrowdStrike routing drops, HMI/PLC and application connectivity.

Team Lead managing technical Ops & Maintenance for MP-SWAN SD-WAN (Viptela) infrastructure. Lead a team of engineers overseeing 400+ vertical POPs and 10,000+ horizontal clients. Expert in Cisco ISR 4321/2960 deployments, hybrid MPLS/SD-WAN environments, and OMP/BGP route exchange. Specialized in VRRP (IP SLA), inter-VLAN routing, and ZTP. Manage NOC operations, troubleshooting complex connectivity issues across BSNL/JIO/RF circuits, and leading technical project delivery for secure enterprise WAN.

Full-service technical support professional with strong hands-on experience in Cisco routers and switches, network troubleshooting, and user ticket resolution across hardware, software, and connectivity issues. Skilled in remote diagnostics, targeted problem analysis, documenting fixes, escalation handling, and user follow-up. Experienced in LAN, workstation, installation, maintenance, and technical documentation support.

Provided IT support to direct clients by resolving hardware, software, and network issues. Guided users through application and peripheral installation, diagnosed problems with targeted questions, and performed remote troubleshooting to restore service. Logged issues and solutions, escalated unresolved cases, followed up with users, documented processes, and supported LAN/workstation installation, maintenance, and troubleshooting.