Senior Network Engineer

Domain: Enterprise Network Infrastructure & Security Job Summary We are seeking a hands-on Senior Network Engineer with strong experience in enterprise Routing & Switching, Network Security, Wireless, SD-WAN and L2/L3 production support . The candidate must be capable of independently troubleshooting complex network incidents, performing RCA and managing critical production environments.

Key Responsibilities

Provide L2/L3 support for large-scale enterprise networks. Configure and troubleshoot Cisco routers, switches, Nexus, WLC and network infrastructure . Troubleshoot BGP, OSPF, HSRP, MPLS, LAN/WAN and related routing technologies. Support Cisco ASA/Firepower/FMC, FortiGate and Palo Alto firewalls .

Configure and troubleshoot IPSec/SSL VPN, AAA, RADIUS and TACACS+ . Support Cisco ISE/NAC, enterprise wireless and WLC environments . Support SD-WAN technologies such as Viptela, VeloCloud, Fortinet or Meraki. Handle P1/P2 incidents , escalations, RCA and permanent corrective actions.

Perform network changes, upgrades, migrations and infrastructure refresh activities. Monitor network performance using SolarWinds, Zabbix, Nagios or equivalent tools . Follow ITIL Incident, Problem and Change Management processes. Coordinate with security, infrastructure, application, telecom and vendor teams.

Mandatory Requirements 8+ years of hands-on Enterprise Network Engineering experience. Strong L2/L3 network troubleshooting and production support experience. Strong hands-on Cisco Routing & Switching and LAN/WAN . Production experience with BGP and OSPF . Experience with Cisco Nexus .

Strong firewall/security experience with Cisco ASA/Firepower, FortiGate and/or Palo Alto . Strong knowledge of IPSec/SSL VPN, AAA, RADIUS and TACACS+ . Experience with Cisco ISE/NAC and Enterprise Wireless/WLC . Hands-on SD-WAN experience. Strong RCA, P1/P2 incident and production troubleshooting capability.

Experience with Incident, Problem and Change Management. CCNA mandatory; CCNP preferred. Highly