Perimeter Security- F5 Waf & Radware DDos

Job Description – L3 Perimeter Security Engineer

Job Title: L3 Perimeter Security Engineer
Location: Andheri, Mumbai
Experience: 6–10 Years
Employment Type: Full-Time
Work Mode: Work From Office
Notice Period: Immediate Joiners Only

Job Summary

We are looking for an experienced L3 Perimeter Security Engineer with strong hands-on expertise in F5 WAF and Radware DDoS as primary skills. The candidate will be responsible for designing, implementing, troubleshooting, and optimizing enterprise perimeter security infrastructure, along with providing L3 support for critical security incidents.

Key Responsibilities

• Design, implement, configure, and troubleshoot F5 WAF and Radware DDoS solutions.


• Manage WAF policies, application security rules, SSL/TLS, virtual servers, pools, health monitors, and traffic policies.


• Configure and troubleshoot Radware DDoS protection and mitigation policies.


• Analyze DDoS attacks, traffic patterns, security alerts, and implement appropriate mitigation measures.


• Provide L3 support for critical perimeter security incidents and perform detailed RCA.


• Manage and troubleshoot Palo Alto, Cisco and Fortinet firewalls.


• Configure firewall policies, NAT, VPN, routing, security profiles, and access controls.


• Support security policy optimization, upgrades, migrations, HA/failover, and capacity planning.


• Work closely with SOC, NOC, application, network, and infrastructure teams during P1/P2 incidents.


• Participate in change management, maintenance windows, and security transformation projects.


• Prepare RCA, SOP, MOP, technical documentation, and security reports.

Mandatory Skills

• F5 WAF – Strong hands-on experience


• Radware DDoS – Strong hands-on experience


• Palo Alto Firewall


• Cisco Firewall / Security


• Fortinet FortiGate


• WAF & DDoS troubleshooting


• Network Security & Perimeter Security


• TCP/IP, DNS, HTTP/HTTPS, SSL/TLS


• NAT, VPN, HA/Failover


• Incident & Change Management


• Root Cause Analysis

Good to Have

• F5 BIG-IP ASM / Advanced WAF


• Radware DefensePro / Alteon


• Palo Alto Panorama


• Cisco Firepower / FMC


• FortiManager / FortiAnalyzer


• SIEM integration and security monitoring


• Python / PowerShell / automation

Candidate Profile

• Strong L3 troubleshooting and analytical skills.


• Experience handling P1/P2 security incidents and DDoS attacks.


• Good communication and stakeholder-management skills.


• Experience in enterprise/BFSI or large-scale production environments preferred.


• Immediate joiner is mandatory.