Network Security - F5 Engineer

Experience: 10+ Years

Location: Chennai

Job Summary

We are looking for a seasoned Network Security Engineer - F5 with 10+ years of experience in designing, implementing, and managing enterprise network security solutions. The ideal candidate will possess deep expertise in F5 BIG-IP technologies, load balancing, application delivery, web application security, and network infrastructure management.

Key Responsibilities

- Design, implement, and support F5 BIG-IP solutions including LTM, GTM/DNS, ASM/AWAF, APM, and AFM.
- Manage and optimize load balancing, SSL offloading, traffic management, and application delivery services.
- Configure and troubleshoot F5 virtual servers, pools, iRules, profiles, and health monitors.
- Implement Web Application Firewall (WAF) policies and security controls using F5 ASM/AWAF.
- Perform capacity planning, performance tuning, and security hardening of F5 infrastructure.
- Configure and maintain High Availability (HA) and Disaster Recovery (DR) solutions.
- Monitor, analyze, and resolve network and application performance issues.
- Collaborate with application, cloud, infrastructure, and security teams for deployments and migrations.
- Manage SSL certificate lifecycle, DNS integration, and authentication services.
- Participate in incident management, root cause analysis (RCA), and problem management.
- Prepare operational documentation, SOPs, and knowledge transfer materials.

Required Skills




- 10+ years of experience in Network Security and Application Delivery.

- Robust expertise in
- F5 BIG-IP LTM (Local Traffic Manager)

- F5 DNS/GTM

- F5 ASM / AWAF

- F5 APM

- F5 AFM
- Experience with iRules, Traffic Policies, SSL/TLS, and Load Balancing algorithms.
- Strong understanding of TCP/IP, DNS, HTTP/HTTPS, Routing, Switching, NAT, and VPN technologies.
- Experience in troubleshooting application delivery and network security issues.
- Knowledge of network monitoring and packet analysis tools such as Wireshark, SolarWinds, and Splunk.
- Hands-on experience with Linux/Unix environments.

Preferred Skills
- Experience with cloud platforms such as AWS, Azure, or GCP.
- Exposure to automation tools like Ansible, Python, Terraform, and REST APIs.
- Experience with Citrix ADC (Netscaler), Palo Alto, Check Point, or Fortinet solutions.
- Knowledge of Zero Trust security architecture and modern WAF solutions.

- F5 certifications such as
- F5-CA (Administrator)
- F5-CTS (Technical Specialist)
- F5-CSE (Solution Expert)

Educational Qualification
- Bachelor's degree in Computer Science, Information Technology, Electronics, or related discipline.
- Relevant F5 and Network Security certifications preferred.

Key Competencies
- Network Security Architecture
- Application Delivery & Load Balancing
- Web Application Security
- Incident & Problem Management
- Performance Optimization
- Stakeholder Management
- Strong Analytical & Troubleshooting Skills

📌 Network SecurityEngineer (Chennai)
🏢 Tata Consultancy Services
📍 Chennai