Job Summary

Network Reliability Engineer (NRE) L3+ with 8+ years of relevant enterprise networking experience, responsible for ensuring network availability, reliability, performance, and operational stability. The role includes advanced troubleshooting, major incident resolution, network automation, proactive monitoring, RCA/problem elimination, capacity/performance optimization, and engineering improvements across LAN/WAN, Wireless, SD-WAN, and network infrastructure.

Key Responsibilities

Lead advanced troubleshooting and resolution of complex LAN, WAN, Wireless, Routing/Switching, and SD-WAN issues. • Own technical resolution of critical/major network incidents and perform detailed RCA. • Identify recurring network issues and implement permanent corrective and preventive solutions. • Drive network reliability, availability, performance, and operational improvement initiatives. • Develop and maintain network automation for repetitive operational tasks, validation, configuration, and health checks. • Perform proactive network health checks, capacity analysis, performance optimization, and risk identification. • Support complex network changes, upgrades, migrations, and post-change validation. • Analyze network telemetry, logs, alerts, and performance data to identify issues proactively. • Improve monitoring, alerting, operational dashboards, SOPs, and engineering standards.



• Provide technical guidance and escalation support to L1/L2/L3 network teams. • Coordinate with OEM/vendor, carrier, security, cloud, infrastructure, and application teams for complex issues. • Participate in critical incident/on-call support as required.

Skill Requirements

Strong hands-on experience in enterprise network engineering and operations. • Advanced knowledge of TCP/IP, BGP, OSPF, VLAN, STP/RSTP, QoS, ACL, NAT, VPN, and routing/switching. • Strong knowledge of LAN, WAN, SD-WAN and Wireless networking. • Advanced network troubleshooting, packet analysis, and performance-analysis skills. • Experience with enterprise networking platforms such as Cisco or equivalent technologies. • Experience with network monitoring, observability, telemetry, and diagnostic tools. • Knowledge of network automation and scripting, preferably Python, Ansible, APIs, or equivalent. • Strong experience in Major Incident Management, RCA, Problem Management, and Change Management. • Ability to identify recurring problems and develop automated or engineering-based solutions. • Robust technical leadership, communication, documentation, and stakeholder/vendor coordination skills. • CCNP/CCIE-level networking knowledge or equivalent experience preferred.

Must Have Skill

Software-Defined Networking Wide Area Network (SD-WAN),Cisco Unified Wireless Networking,Network LAN/WAN mgmt

Good to Have Skill

Other Requirements

NA

📌 Track Manager - Wireless Networking (India)
🏢 HCLTech
📍 India