Senior Network Engineer

Job Title:

Network Operations Engineer L3 Role Summary

We are looking for a Network Operations L3 Engineer to provide advanced operational support, troubleshooting, and implementation for enterprise network infrastructure. The role involves handling complex incidents, leading changes, and acting as an SME for Cisco Firewalls and Routing/ Switching environments.

• Provide L3 support for production network environments, including incident resolution, root cause analysis, and preventive actions.
• Troubleshoot and resolve complex network issues related to routing, switching, and firewall technologies.
• Configure, manage, and optimize Cisco Firewalls (ASA, Firepower, FTD), including ACLs, NAT, VPN (Site-to-Site, Remote Access), policy changes, upgrades, and failover scenarios.
• Design, configure, and support routing and switching infrastructure (OSPF, BGP, EIGRP).
• Switching technologies: VLANs, STP, HSRP/VRRP, Port Channels.
• Lead and execute network changes, upgrades, migrations, and maintenance activities following ITIL processes.
• Act as an escalation point for L2/NOC teams and mentor junior engineers.
• Participate in problem management (RCA documentation) and service improvement initiatives.
• Work closely with security, cloud, and application teams during outages and project activities.
• Maintain technical documentation (HLD, LLD, SOPs, runbooks, change records).

• High Availability upgrades.
• Routing and switching.
• Strong hands‑on experience with Cisco routers and switches.
• OSPF, BGP, EIGRP.
• VLANs, STP, HSRP/VRRP, VPC, Ether Channel.
• Troubleshooting.
• Deep packet‑level and protocol‑level troubleshooting.
• Handling high‑severity incidents in production.

• 6 to 10 years of experience in Network Operations / Network Support.
• Strong experience in L3 operational support roles.
• Cisco certifications (CCNP, CCIE) preferred but not mandatory.