Network Security Engineer

Network Security Engineer | Bangalore | 5-8 Years

Location: Bangalore

Experience: 5-8 Years

Notice Period: Immediate to 30 Days Preferred

Job Overview

We are looking for a Network Security Engineer with strong expertise in both Enterprise Networking and Network Security Operations. The ideal candidate should have hands-on experience in routing, switching, firewalls, VPNs, and troubleshooting complex network security issues across enterprise environments.

Mandatory Skills

Enterprise Networking (Critical)

• Routing: BGP, OSPF, EIGRP
• Switching: VLAN, STP, Trunking, Port Security
• Protocols: TCP/IP, DNS, DHCP, NAT
• LAN/WAN/WLAN and SD-WAN environments
• Traffic flow analysis and packet-level troubleshooting

Network Security

• Firewalls: Cisco ASA, Firepower (FTD/FMC), Fortinet, Palo Alto
• Security Policies, ACLs, NAT, Network Segmentation
• IDS/IPS Management
• Firewall Rule Analysis, Optimization, and Cleanup

VPN & Secure Access

• IPSec Site-to-Site VPN
• Remote Access VPN
• SSL VPN

Troubleshooting (Must Have)

• End-to-End Packet Flow Analysis
• Network and Firewall Issue Correlation
• Log Analysis and Root Cause Analysis (RCA)

Additional Responsibilities

• Manage and optimize firewall and network infrastructure
• Configure and troubleshoot secure connectivity across branches, data centers, cloud, and remote users
• Vulnerability Assessment and Risk Remediation
• Zero Trust Technologies (ZTNA, ZIA, ZPA)
• Monitoring Tools: SolarWinds, ThousandEyes, Splunk
• Network/Firewall Upgrades and Migrations
• ITIL-based Change Management using ServiceNow
• Documentation of network diagrams, policies, and configurations

Good to Have

• SD-WAN (Cisco, VeloCloud, Meraki)
• Azure/AWS Networking
• Python Automation and APIs
• Zero Trust Security Solutions

Preferred Certifications

• CCNP Enterprise
• CCNP Security
• Fortinet NSE
• Palo Alto PCNSE
• ITIL Foundation