Data Network Engineer Lead

Data Network_Cisco (10+ Years)

Location- Chennai

Roles & Responsibilities

• Manage enterprise-scale Cisco network infrastructure.
• Configure and troubleshoot routing and switching environments.
• Monitor network health using SolarWinds, NNMi, Cisco Catalyst Center, ThousandEyes, and Nagios.
• Perform packet analysis using Wireshark for complex network issues.
• Manage IPAM, DNS, and DHCP services through Infoblox.
• Diagnose and resolve network incidents, outages, and performance bottlenecks.
• Analyze logs and syslog data for proactive monitoring and troubleshooting.
• Develop scripts and automation solutions for operational efficiency.
• Create and maintain network documentation, SOPs, and knowledge repositories.

Routing & Switching

• VLANs
• Spanning Tree Protocol (STP)
• OSPF
• BGP
• Port-Channels (LACP/EtherChannel)
• Switch Stacking Technologies
• LAN/WAN Architecture and Troubleshooting

Network Monitoring & Management Tools

• HP NNMi (Network Node Manager i)
• Cisco Catalyst Center (DNA Center)
• Cacti
• SolarWinds
• Infoblox (DNS, DHCP, IPAM)
• Nagios
• Cisco ThousandEyes
• Syslog Monitoring and Analysis

Network Troubleshooting

• Packet Capture and Analysis using Wireshark
• Network Performance Analysis
• Traffic Flow Analysis
• Root Cause Analysis (RCA)
• Incident and Problem Management

Scripting & Automation

• Network Scripting Knowledge (Python preferred)
• Automation of Network Monitoring and Operational Tasks
• Log Parsing and Reporting