Role description

Network Security Engineer Firewall RoutingSwitching

Experience 5 to 8 Years

Job Summary

We are seeking a versatile Network Security Engineer with handson expertise in both enterprise networking routingswitchingWAN and network security firewalls VPN Zero Trust The role focuses on endtoend network and security operations including design implementation troubleshooting and optimization across hybrid enterprise environments

Key Responsibilities

1 Core Networking VERY SIGNIFICANT ADDITION

Configure and manage oRouters switches WAN edge devices

Support LANWANWLAN and SDWAN environments

Implement and troubleshoot oRouting protocols BGP OSPF EIGRP oSwitching VLAN STP trunking port security

Perform traffic flow analysis L2L7 visibility

Troubleshoot network issues impacting firewallVPN behavior

2 Firewall Security Operations

Configure and manage firewalls oCisco ASA Firepower FTDFMC Fortinet Palo Alto

Implement and maintain oSecurity policies ACLs NAT segmentation

Monitor and respond to oSecurity incidents threats and anomalies

Perform firewall rule analysis optimization and cleanup

3 VPN Secure Connectivity

Configure and troubleshoot oIPSec VPN sitetosite oRemote access VPN

Ensure secure connectivity across oBranch DC Cloud and remote users

4 Security Risk Management

Manage IDSIPS and threat inspection systems





Conduct vulnerability assessments and remediation

Implement Zero Trust ZTNA ZIA ZPA where applicable

Support compliance ISO NIST enterprise policies

5 Monitoring Troubleshooting

Use tools like oSolarWinds ThousandEyes Splunk

Perform oDeep packet analysis oRCA for complex networksecurity issues

Correlate network security events

6 Change Lifecycle Management

Perform oFirewall upgrades and migrations ASA FTD oNetwork device upgrades

Execute changes via ITIL processes ServiceNow

7 Documentation Collaboration

Maintain oNetwork security architecture diagrams oFirewall policies and config backups

Work with oNetwork Cloud Security Application teams

Required Skills

Core Networking MANDATORY NOW

Routing BGP OSPF EIGRP

Switching VLAN STP trunking port security

Protocols TCPIP DNS DHCP NAT

Security Firewall

Cisco ASA Firepower FTDFMC

Fortinet Palo Alto

NAT ACL segmentation

IDSIPS

VPN Secure Access

IPSec VPN

SSL VPN

Troubleshooting CRITICAL

Endtoend packet flow analysis

Network firewall issue correlation

Log analysis

Good to Have

SDWAN Cisco VeloCloud Meraki

Cloud networking AzureAWS

ZTNA ZIAZPA

Automation Python APIs

Certifications Preferred

CCNP Enterprise

CCNP Security

Fortinet NSE Palo Alto PCNSE

ITIL Foundation

📌 Specialist - CyberSecurity (Bengaluru)
🏢 LTM
📍 Bengaluru