Network Engineer L2

Role & responsibilities

• Provide L2 support for enterprise network infrastructure.
• Configure, maintain, monitor and troubleshoot Fortinet FortiGate Firewall.
• Configure and maintain Cisco switches and routers.
• Perform firewall policy/rule configuration and troubleshooting.
• Configure and troubleshoot NAT, VPN, routing and firewall connectivity.
• Configure and troubleshoot Cisco switch:
• VLANs
• Access ports
• Trunk ports
• Inter-VLAN Routing
• STP/RSTP
• EtherChannel
• Troubleshoot LAN/WAN connectivity and network-related issues.
• Troubleshoot TCP/IP, DNS, DHCP, ARP and routing-related issues.
• Monitor network performance, availability and connectivity.
• Analyze firewall and network logs to identify and resolve issues.
• Handle L2 network incidents and service requests within defined SLA.
• Perform configuration changes as per approved change procedures.
• Identify and resolve recurring network issues and perform basic root-cause analysis.
• Coordinate with L1 teams, internal IT teams, ISP/service providers and OEM/vendor support teams.
• Support network implementation, migration, upgrade and maintenance activities.
• Maintain network documentation, configuration records and incident reports.
• Follow incident, problem, change and escalation management processes.
• Ensure compliance with defined network security and operational procedures.

Technical Skills

Fortinet FortiGate Firewall Mandatory

Candidate should have practical hands-on experience with:

• FortiGate Firewall administration
• Firewall policy/rule configuration
• NAT configuration and troubleshooting
• Site-to-site VPN
• Remote-access VPN
• Firewall routing
• Firewall connectivity troubleshooting
• Firewall monitoring and log analysis
• Basic FortiGate security features

Candidate must have actual configuration experience and should not be limited to monitoring or ticket-based support.

Cisco Switching – Mandatory

Candidate should have hands-on experience with:

• Cisco switches
• VLAN configuration
• Access and trunk port configuration
• Inter-VLAN routing
• STP/RSTP
• EtherChannel
• Basic routing configuration
• Switch troubleshooting
• Network connectivity troubleshooting

Routing & Networking

Good understanding of:

• TCP/IP
• LAN/WAN
• Routing and Switching
• VLAN
• DNS
• DHCP
• ARP
• ICMP
• Subnetting
• NAT
• VPN
• OSPF
• Basic understanding of BGP/EIGRP

Network Troubleshooting

The candidate should be able to independently troubleshoot:

• LAN/WAN connectivity issues
• Packet loss
• Latency
• Routing issues
• VLAN-related issues
• Inter-VLAN connectivity
• Firewall policy issues
• NAT issues
• VPN connectivity
• DNS/DHCP issues
• Switch port and trunk issues
• Network performance issues