L2 Network Operations Engineer - Routing & Switching

Role Overview : We are looking for a Network L2 Operations Engineer responsible for maintaining, monitoring, troubleshooting, and supporting enterprise network infrastructure. The role involves handling L2/L3 network incidents, performing root-cause analysis, coordinating with internal teams and vendors, and ensuring network availability, performance, and security. Key Responsibilities : - Provide L2 network operations and technical support for enterprise network infrastructure. - Monitor network devices, links, and services to identify and resolve incidents proactively. - Troubleshoot network issues related to LAN, WAN, routing, switching, VPN, and connectivity. - Configure and troubleshoot network devices including Cisco/Juniper switches and routers. - Perform incident, problem, and change management in accordance with defined ITIL processes. - Analyze network alerts, logs, and performance metrics to identify recurring issues. - Perform configuration changes, upgrades, and maintenance activities as per approved change procedures. - Troubleshoot routing protocols such as OSPF, BGP, and EIGRP. - Troubleshoot switching technologies including VLANs, STP/RSTP, trunking, EtherChannel, and port-security. - Support WAN, MPLS, SD-WAN, and VPN connectivity as required. - Coordinate with L1 teams, L3/network architecture teams, security teams, application teams, and external vendors for issue resolution. - Perform root-cause analysis (RCA) for major and recurring network incidents. - Maintain network documentation, configuration records, incident reports, and operational procedures. - Participate in network upgrades, migrations, and infrastructure improvement initiatives. - Ensure compliance with network security, operational, and change-management standards. - Provide on-call or shift support based on business requirements. Required Skills & Experience : - 6 to 11 years of experience in Network Operations / Network Administration / Network Engineering. - Strong hands-on experience in L2 network troubleshooting and operations. - Good knowledge of TCP/IP, DNS, DHCP, ARP, ICMP, and subnetting. - Strong experience with LAN/WAN, routing, and switching. - Hands-on experience with Cisco or Juniper routers and switches. - Good knowledge of routing protocols such as OSPF, BGP, and EIGRP. - Strong understanding of VLAN, STP/RSTP, trunking, EtherChannel, and Layer 2 switching. - Experience with VPN, MPLS, SD-WAN, or enterprise WAN technologies. - Familiarity with network monitoring and troubleshooting tools. - Good understanding of ITIL-based Incident, Problem, and Change Management. - Strong analytical and troubleshooting skills. - Good written and verbal communication skills. Good to Have : - CCNA / CCNP or equivalent networking certification. - Experience with Fortinet, Palo Alto, Cisco ASA, or other firewall technologies. - Exposure to cloud networking on AWS, Azure, or GCP. - Experience with network automation or scripting using Python, Ansible, or similar tools. - Knowledge of network security concepts and enterprise security practices. Education : - Bachelor's degree in Computer Science, Information Technology, Electronics, Telecommunications, or a related field. Shift & Support : - Willingness to work in 24x7 / rotational shifts and provide on-call support, depending on operational requirements.