Sowryan Reddy Nallapureddy

• Network Engineer L1
• Tata Communications Transformation Services (TCTS)
• Client: ICICI Bank, India
• Monitoring pan-India network operations for 7000+ branches and 5 data centers using SolarWinds for fault and performance management.
• Providing real-time L1/L2 support for branch and data center network incidents.
• Troubleshooting WAN link issues and coordinating with 8+ ISPs to ensure high availability and redundancy.
• Hands-on experience with Cisco, Versa, and Lavelle SD-WAN edge devices in enterprise environments.
• Configuring and maintaining routers, switches, and SD-WAN appliances to ensure secure connectivity.
• Performing device onboarding, provisioning, configuration backups, and RMA replacements as per enterprise standards.
• Supporting change management activities including migrations, firmware upgrades, patching, and scheduled maintenance.
• Conducting network health checks, log analysis, and proactive monitoring to prevent recurring incidents.
• Preparing and maintaining network documentation, topology diagrams, and asset inventory records.

SERVICE MANAGEMENT EXPERIENCE (ServiceNow)

• Creating, categorizing, and resolving incidents and service requests within defined SLAs.
• Monitoring ticket queues to prevent SLA breaches and ensure timely resolution.
• Performing detailed ticket documentation including troubleshooting steps and Root Cause Analysis (RCA).
• Escalating complex incidents to L2/L3 teams and vendors as per escalation matrix.
• Handling Change Requests (CRQ) and coordinating scheduled maintenance activities.
• Tracking ISP tickets for WAN link restoration and updating stakeholders with regular status reports.
• Generating daily/weekly incident and performance reports for management review.

NETWORK MONITORING & SOLARWINDS EXPERIENCE

• Proactive monitoring of routers, switches, firewalls, and SD-WAN devices using SolarWinds NMS.
• Monitoring WAN utilization, latency, jitter, packet loss, and device health metrics.
• Configuring alert thresholds for CPU, memory, interface status, and link availability.
• Analyzing SNMP traps, logs, and performance graphs for root cause identification.
• Ensuring 24/7 surveillance of critical network infrastructure to maintain maximum uptime.
• Preparing availability and performance dashboards for enterprise reporting