L2 Network Engineer

Job Title: L2 Network Engineer Experience: 4–7 Years Location : Chennai Employment Type: Full-Time Job Summary We are seeking a skilled and proactive L2 Network Engineer with 4–7 years of experience in enterprise network operations and support. The ideal candidate will have strong expertise in routing, switching, firewalls, VPNs, LAN/WAN technologies, and network monitoring. The role involves troubleshooting network incidents, ensuring network availability, supporting security infrastructure, and handling escalations from Level 1 support teams. Key Skills Routing and Switching Firewall Administration and Troubleshooting VPN Configuration and Support LAN/WAN Technologies Network Monitoring and Performance Management Incident Management and Root Cause Analysis Network Security Fundamentals Configuration and Change Management Technical Documentation Primary Responsibilities Monitor, maintain, and support enterprise network infrastructure to ensure high availability and performance. Troubleshoot and resolve L2 network incidents related to routing, switching, firewall, VPN, and connectivity issues. Handle escalations from L1 support teams and provide timely resolution within defined SLAs. Configure and manage network devices including routers, switches, firewalls, and VPN gateways. Investigate network performance issues, identify root causes, and implement corrective actions. Monitor network health using enterprise monitoring tools and respond to alerts proactively. Support firewall policy changes, access control requests, and security-related troubleshooting. Perform network change implementations, upgrades, and maintenance activities as per change management procedures. Coordinate with internal teams, vendors, ISPs, and service providers for issue resolution. Maintain accurate network documentation, diagrams, incident records, and operational procedures. Participate in on-call support and major incident management activities when required. Ensure adherence to security, compliance, and operational standards. Technical Requirements Strong understanding of TCP/IP, VLANs, STP, NAT, ACLs, and network protocols. Hands-on experience with routing protocols such as OSPF, BGP, and EIGRP. Experience managing firewalls such as Cisco ASA, Fortinet, Palo Alto, Check Point, or similar. Knowledge of VPN technologies including IPsec and SSL VPN. Experience with network monitoring tools such as SolarWinds, PRTG, Nagios, Zabbix, or equivalent. Familiarity with ITIL-based incident, problem, and change management processes. Preferred Qualifications Bachelor’s degree in computer science, Information Technology, Electronics, or a related field. Industry certifications such as CCNA, CCNP, NSE, PCNSE, or equivalent are preferred. Strong analytical, troubleshooting, and communication skills. Remarks Strong troubleshooting capabilities and operational support experience are mandatory. The candidate should be comfortable working in a 24x7 support environment and managing critical network incidents. Requirements Technical Requirements Strong understanding of TCP/IP, VLANs, STP, NAT, ACLs, and network protocols. Hands-on experience with routing protocols such as OSPF, BGP, and EIGRP. Experience managing firewalls such as Cisco ASA, Fortinet, Palo Alto, Check Point, or similar. Knowledge of VPN technologies including IPsec and SSL VPN. Experience with network monitoring tools such as SolarWinds, PRTG, Nagios, Zabbix, or equivalent. Familiarity with ITIL-based incident, problem, and change management processes. Preferred Qualifications Bachelor’s degree in computer science, Information Technology, Electronics, or a related field. Industry certifications such as CCNA, CCNP, NSE, PCNSE, or equivalent are preferred. Strong analytical, troubleshooting, and communication skills.