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.