Job Summary
Network Data L3 Engineer with 9+ years of relevant experience in enterprise LAN/Switch management. Responsible for advanced troubleshooting, complex configuration, major incident resolution, RCA, network optimization, change implementation, and technical support to L1/L2 teams.
Key Responsibilities
Troubleshoot complex LAN, switching, routing, and network performance issues. • Manage advanced configurations for VLANs, STP/RSTP, trunks, EtherChannel, routing, and ACLs. • Lead resolution of critical/major network incidents and perform detailed RCA. • Plan and implement complex network changes, upgrades, and configuration improvements. • Analyze network performance, capacity, recurring issues, and recommend improvements. • Perform firmware/IOS upgrades, configuration reviews, and network health checks. • Support L1/L2 teams with technical guidance and complex escalations. • Coordinate with security, infrastructure, OEM/vendor, and other technical teams. • Maintain technical documentation, SOPs, network configurations, and knowledge articles.
• Provide on-call/24x7 support for critical incidents as required.
Skill Requirements
Strong hands-on knowledge of enterprise LAN/Switch technologies. • Advanced knowledge of VLAN, STP/RSTP/MSTP, VTP, trunking and EtherChannel. • Strong knowledge of TCP/IP, subnetting, routing, OSPF and BGP. • Hands-on experience with Cisco or equivalent enterprise switches. • Strong troubleshooting skills for latency, packet loss, loops, routing and connectivity issues. • Good knowledge of ACLs, network security and segmentation concepts. • Experience with network monitoring, packet analysis, and diagnostic tools. • Strong knowledge of incident management, RCA and change management. • Excellent troubleshooting, documentation, communication, and technical coordination skills. • CCNP or equivalent networking knowledge/certification preferred.
Must Have Skill
Network LAN/WAN mgmt
Positive to Have Skill
Other Requirements
NA
📌 Track Manager - Network LAN/WAN (India)
🏢 HCLTech
📍 India