F5 WAF & Ddos L2 Network Security Engineer

L2 Senior Security Engineer – WAF & DDoS (F5 | Radware)

Availability: Immediate Joiners to 30 Days Notice Period Only

Job Overview

• Position: L2 Senior Security Engineer


• Primary Expertise: F5 Web Application Firewall (WAF) & Radware DDoS Protection


• Preferred Technologies: Palo Alto, Cisco, or Fortinet Firewalls


• Experience Required: 3–5 years in Network/Cybersecurity (Minimum 4+ years hands-on with F5 WAF & Radware DDoS)


• Education: Bachelor’s Degree in Computer Science, Information Security, or related discipline

Job SummaryWe are seeking an expert L2 Senior Security Engineer to architect, lead, and manage enterprise-grade F5 WAF and Radware DDoS protection infrastructure. You will drive advanced threat mitigation, policy lifecycle management, architecture optimization, and serve as the final escalation point for complex security incidents.
Key Responsibilities

1. Architecture, Operations & Engineering

• Lead the deployment, architecture, and optimization of F5 WAF (ASM/Advanced WAF) and Radware DDoS defense systems.


• Design, tune, and maintain high-security WAF policies, custom signatures, and threat intelligence feeds with minimal false positives.


• Architect and execute large-scale application onboarding and automated traffic-steering workflows.


• Lead end-to-end mitigation of complex, multi-vector DDoS attacks (Layer 3/4/7) using Radware solutions.


• Oversee enterprise SSL/TLS certificate lifecycles, cipher policies, and cryptographic standards.


• Drive routine capacity planning, software upgrades, firmware patching, and disaster recovery drills.

2. Incident Management & L2 Escalation

• Act as the technical L2 escalation point for critical security incidents, web application failures, and sophisticated cyber attacks.


• Perform advanced forensic log analysis, packet capture (PCAP) inspection, and event correlation.


• Collaborate closely with SOC, Threat Intel, and application teams for swift incident containment and root-cause analysis (RCA).


• Enforce stringent security governance, compliance benchmarks, and documentation standards.

Required Skills & Competencies

• Core Technologies: Expert-level hands-on experience with F5 WAF/ASM and Radware DefensePro/Emergency Response.


• Security Acumen: Deep understanding of OWASP Top 10, API security, bot mitigation, and advanced web threat vectors.


• Networking & Protocols: Mastery of HTTP/HTTPS, TLS 1.3, DNS, TCP/IP stack, BGP routing, and load balancing principles.


• Troubleshooting: Advanced packet-level troubleshooting capabilities (Wireshark, tcpdump) for complex traffic flows.


• OS & Automation: Strong proficiency in Linux/Unix environments; scripting skills in Python, Bash, or PowerShell for automation.

Added Advantage (Preferred Technologies)

• Firewalls: Hands-on architecture and policy management with Palo Alto, Cisco, or Fortinet Firewalls.


• Cloud & SIEM: Exposure to AWS/Azure/GCP cloud security and SIEM tools (Splunk, QRadar, Sentinel).

Preferred Certifications

• F5 Certified BIG-IP Administrator / F5 Certified Technology Specialist (ASM/WAF)


• Radware Certified Professional (RCP)


• CISSP, CISM, or relevant advanced security certifications