ASHISH SANGARE
Network Engineer - Versa SD-WAN
Asangaon
Summary
Dynamic and performance-driven Network Engineer with hands-on expertise in Versa SD-WAN operations, deployment, troubleshooting, and large-scale banking network management. Experienced in managing 1,250+ branches, driving end-to-end SD-WAN readiness, workflow creation, security/OSS package updates, and high-severity incident resolution. Strong in routing, traffic flow analysis, tunnel health debugging, and multi-ISP operations. Skilled at stabilizing complex WAN environments, optimizing application paths, and enhancing overall network performance. Known for a proactive approach, clear communication, and delivering reliable, secure, and audit-ready network infrastructure.
Overview
2
2
years of professional experience
2
2
Certifications
Work History
Network Engineer / SDWAN Specialist
YES BANK
12.2024 - Current
- Performed end-to-end SD-WAN readiness checks (routing tables, tunnel health, SLA probes, QoS profiles, interface states).
- Optimized traffic flow by updating path steering, application policies, and broadband/MPLS failover rules.
- Troubleshot reverse traffic drops, asymmetric routing, packet loss, RDP session issues using Versa Director & Analytics.
- Resolved routing conflicts: overlapping subnets, duplicate IPs, LAN reachability, NAT table issues, BGP neighbor failures.
- Executed Versa service restarts, process-level debugging, kernel checks, and fixed high CPU/memory utilization on hubs/CPEs.
- Coordinated large-scale SD-WAN upgrade cycles (pre-checks, execution, post-validation) across production hubs & branches.
- Led static route corrections, SLA/profile adjustments, path rules, and interface monitoring during change windows.
- Monitored high-bandwidth applications (Zscaler, Core Banking, ATM) and identified WAN spikes with corrective actions.
- Created RCA reports, weekly technical summaries, and activity validation sheets for change/audit teams.
- Managed branch onboarding, workflow creation, template updates, and successful migration of 50+ sites to Versa SD-WAN.
- Coordinated closely with TAC for escalations, reducing downtime and improving branch stability.
Network Engineer / SDWAN Support Engineer
ICICI BANK
07.2023 - 11.2024
- Utilized Cisco vManage, Versa Director, and Arcos to manage and monitor SDWAN infrastructure, ensuring optimal performance and connectivity.
- Versa & Cisco router the onboarding of routers (both NBR and RMA devices) for branch network connectivity, improving operational efficiency.
- Performed IOS upgradation across various routers, including Cisco SDWAN C1121, and Versa CSG355 models, maintaining up-to-date software versions.
- Troubleshot and resolved network issues including routing problems, hardware faults, IP conflicts, and network downtime, ensuring minimal impact on branch operations.
- Coordinated with service providers to resolve incidents such as link downtime, high latency, packet drops, and link shifting.
- Managed RMA processes for faulty routers and ensured timely hardware replacements, keeping branches operational.
- Monitored and resolved ServiceNow tickets related to link issues, node downtimes, bandwidth upgrades, and device replacements.
- Maintained detailed reports on SDWAN onboarding, RMA activities, and site engineer visits to track project progress and network health.
Education
bachelor of arts -
Bharati Vidyapeeth
01.2020
Skills
- Network Operations Centre (NOC)
- Versa SD-WAN Technology
- SD-WAN Deployment, Troubleshooting & Migrations
- Versa SD-WAN: Templates, Workflows, Staging & Onboarding
- Security & OSS Package Management
- Routing & Switching: OSPF, BGP, Static Routing, VRF, NAT
- WAN Technologies: MPLS, Broadband
- SLA Monitoring, Tunnel/Flow Analysis
- IOS/Software Upgrades, RMA Handling
- Director/Controller Operations, License Management
- Change Management & Documentation
- Incident, Problem & L2 Troubleshooting
- Versa TAC & ISP Coordination
Additional Information
- Versa Director
- Versa Analytics
- ServiceNow
- Promethean monitoring tools
- Putty / SSH
- WinSCP
- Network Automation tools
Certification
CCNA – NetTech India
Timeline
Network Engineer / SDWAN Specialist
YES BANK
12.2024 - Current
Network Engineer / SDWAN Support Engineer
ICICI BANK
07.2023 - 11.2024
bachelor of arts -
Bharati Vidyapeeth