Senior Network Engineer
Summary
A hands-on senior network engineer providing L2/L3 production support for large enterprise networks: configuring and troubleshooting Cisco routing/switching and Nexus, firewalls (ASA/Firepower, FortiGate, Palo Alto), VPN/AAA/NAC, wireless and SD-WAN, while handling P1/P2 incidents, RCA and network changes under ITIL processes.
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 Desirable
Cisco ACI/Spine-Leaf, Viptela, VeloCloud, Meraki, FireMon, NetBrain, Splunk/SIEM, Cisco CUCM/VoIP, Azure and ITIL certification.