- Design and manage WAF rules to prevent application attacks (SQLi, XSS).

- Configure and optimize load balancers for security and performance.

- Migrate and revamp firewalls with minimal downtime and improved policy structure.

- Perform security assessments – vulnerability scanning and penetration testing.

- Collaborate with SOC teams to investigate and respond to threats.

- Coordinate with ISPs/vendors for upgrades and threat mitigation.

- Maintain documentation – policies, configurations, incident reports, and MIS reports.

- Guide and mentor team members on technical requirements.

- Handle risk analysis, OEM escalations, and critical issue resolution.

- Interact effectively with customers and vendors.

Requirements

Key Skills & Expertise:

- Web Application Firewall (WAF): Hands-on experience with F5 ASM, Imperva, FortiWeb – deployment, configuration, and management.

- Load Balancer: Proficiency in F5 LTM/GTM, Radware ADC – optimization and troubleshooting.

- Firewall Management: Experience with Palo Alto, FortiGate, Cisco Firepower – revamp, migration, rule optimization.

- Network Security Concepts: Strong knowledge of Zero Trust, DDoS protection, SSL/TLS, IDS/IPS.

- Secure Network Design: LAN/WAN segmentation, DMZ,



VPN, NAC implementations.

- Cloud Security: Familiar with AWS, Azure, GCP – Security Groups, NACLs, WAF, Cloud Firewalls.

- Container Security: Kubernetes, Docker – microservices and container-level protection.

- SIEM Tools: Splunk, QRadar, ELK, RSA – for threat detection and response.

- Automation: Ansible, Terraform – for policy management and infrastructure as code.

- Incident Management: WAF/firewall/DDoS incident handling and RCA.

- Compliance: Awareness of PCI-DSS, OWASP Top 10, NIST standards.

What we need :

- B.E/B.Tech (CSE/IT/EEE/ECE/EIE), MCA, M.Sc./MS in Computer Science.

- 7+ years in network security; 2+ years in firewalls/WAF/load balancers and 2+ years in application security.

- Led at least 2–3 full implementation projects as an individual contributor.

- Completed major migration/revamp of WAF/LB/Firewall.

- Robust communication, coordination, and problem-solving skills.

- Familiarity with ITIL/ITSM processes (incident/change management).

- Team player with leadership and mentoring capability.

- CCSP, F5-ASM, PCNSE, CCNP Security, CEH certification is a plus

📌 Network Security Lead (Chennai)
🏢 Important Group
📍 Chennai