Divyata T Patil

Global SD-WAN Modernization

• Deployed scalable vManage templates, routing policies, and advanced features, enabling seamless, high-performance routing across global remote sites.
• Migrated regional network infrastructure from vEdge to cEdge, achieving full topology modernization without business disruption.
• Implemented Verified Trust Network successfully migrating global traffic pathways to Palo Alto Prisma Cloud.
• Upgraded IOS-XE, Thousand Eyes, and SMUs across global SD-WAN routers for manufacturing, offices, and contact centers.
• Deployed Adaptive QoS solution across global sites, effectively mitigating oversubscription risks on Direct Internet Access (DIA) circuits.

Network Deployment

• Led infrastructure refresh, upgrading Cisco Catalyst 9K switches to standardize code versions and eliminate critical system bugs.
• Upgraded legacy management by replacing 5508 hardware with new Opengear LTE models to guarantee resilient remote access.
• Boosted network redundancy by deploying Cradlepoint LTE solutions and leading circuit migrations from costly legacy MPLS to dual-Internet architectures.
• Integrated new wireless access points into existing network architecture ensuring optimal signal coverage.

Incident Management & Operational Excellence

• Resolved global technical incidents involving enterprise routers, switches, and wireless access points.
• Optimized end-to-end communication by configuring, monitoring, and managing complex, multi-vendor network elements.
• Delivered on-call support, minimizing downtime by resolving infrastructure failures, including WAN circuit outages, link degradation,, switch stack failures, BGP flapping and OSPF adjacency failures.

Analysis & Infrastructure Automation

• Led monthly WAN capacity planning reports for the EMEA region, leveraging data analytics to proactively prevent bandwidth bottlenecks and performance degradation.
• Executed automated network workflows utilizing Python scripts and templates to perform Wireshark agent packet analysis, configuration generation, and pre-/post-change switch validation.

• Worked core network operations on Cisco ASR 9000 series across an enterprise IP/MPLS infrastructure.
• Configured and troubleshot BGP and IS-IS protocols over IPv4/IPv6 networks to maintain stable core routing pathways.
• Provisioned enterprise L3VPN services by configuring RAD and Techroute switches, managing VLAN assignments, and adding network prefixes.
• Resolved complex configuration and peering faults, including BGP neighbor state issues , ARP issues, and peer-to-peer connectivity errors.
• Remediated critical customer circuit issues in coordination with the NOC, resolving link flapping, packet drops, and routing policer faults.
• Executed remote switch firmware upgrades and performed end-to-end Ethernet link service testing to validate data paths.
• Coordinated across cross-functional technical teams during change windows to minimize service disruption for enterprise clients.
• Completed intensive technical training in Cisco Viptela SD-WAN architecture.

• Project: Reliance Communication (PAN INDIA)
• Role: Configuration Management
• Tools: Netnumen Minos(2G & 3G), ISMG, OMCB, AFP TOOLS-iOMCR-FCTV6.20(For AFP), ZXSDRConfTool

• Project: Reliance AMC Project (V9,V11 and V12)
• Role: Software Upgradation of OMCB & SDR
• Tools: Netnumen Minos(2G & 3G), ISMG, OMCB, Filezilla, Microsoft Office Excel.