L3 Network Security Engineer – Cisco ASA / Fortinet / CCNP
Location: Electronic City, Bangalore
Work Mode: Work From Office – 5 Days a Week
Experience: 10–15 Years
Employment Type: Full-Time
Budget: ₹10–15 LPA
Candidate Location: Bangalore candidates preferred
Interview Requirement: First round will be Face-to-Face (F2F) at Electronic City, Bangalore
Position Overview
We are looking for an experienced L3 Network Security Engineer with 10–15 years of solid hands-on experience in enterprise network security, firewall administration and Routing & Switching.
The ideal candidate should have strong expertise in Cisco ASA and Fortinet/FortiGate firewalls, along with advanced knowledge of Cisco Routers, Switches, LAN/WAN, VPN, NAT, ACL, OSPF, BGP, STP, HSRP and VRRP.
The candidate will be responsible for L3 troubleshooting, network security implementation, firewall configuration, migration, upgrades, incident resolution and customer-facing technical support across enterprise environments.
Key Responsibilities




Act as an L3 escalation engineer for complex network security and enterprise networking issues.
Design, configure, implement and troubleshoot Cisco ASA and Fortinet/FortiGate firewalls.
Configure and manage firewall policies, ACLs, NAT, VPN, IPSec/SSL VPN and security rules.
Manage firewall High Availability (HA) configurations and troubleshoot failover-related issues.
Design, implement and support enterprise LAN/WAN network infrastructure.
Configure and troubleshoot Cisco Routers and Switches.
Handle advanced Routing & Switching issues involving OSPF, BGP, STP, HSRP and VRRP.
Perform advanced troubleshooting of network connectivity, routing, firewall and security incidents.
Analyze packet captures, logs and network traffic to identify and resolve complex issues.
Perform firewall and network device firmware upgrades, patching, configuration backup and restoration.
Support network migrations, technology upgrades and infrastructure implementation projects.
Provide L3 su

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