Role: Network SecurityLocation: PAN IndiaWorking Mode: 5 Days WFOThe F5 Network Operations Engineer is responsible for advanced troubleshooting, design validation, implementation, and optimization of F5 BIG-IP LTM and DNS/GTM platforms. This role is fully focused on network traffic management and load balancing technologies, ensuring high availability, performance, and scalability of application delivery networks.Key Responsibilities1. Advanced Troubleshooting & Incident Management- Act as the operational escalation point for F5 LTM/GTM network issues. - Diagnose and resolve complex issues involving: - Virtual servers, pools, persistence, profiles - SSL offload / SSL profiles (operational, not security) - GTM/DNS load balancing, wide-IP resolution, listener issues - Client–VIP–server traffic flow failures - Routing/VLAN/self-IP and HA sync/failover - Perform deep-dive analysis using: - Packet captures (tcpdump/Wireshark) - F5 system logs, TMM logs, statistics - Performance throughput and connection-level visibility- Lead RCA preparation and problem management for repeating incidents.2. F5 Configuration, Operations & Optimization- Design, configure, and optimize: - VIPs, pools, health monitors - Traffic profiles (TCP/HTTP/SSL) - Persistence methods - iRule/iRuleLX review and optimization (non-security logic) - DNS/GTM wide-IP and pool configurations - Lead OS upgrades, hotfix deployment, and high-availability validation. - Ensure configuration synchronization across clusters and multi-datacenter setups. - Standardize deployment templates for L1/L2 teams.3. Implementation & Project Delivery ( Good to have )- Lead major implementation activities: - Application onboarding and traffic migration - Datacenter or cloud connectivity for F5 traffic flows - VIP provisioning and backend server migrations - DNS/GTM traffic redirection across active/active or active/standby DCs - Work with architecture teams on: - LTM/GTM design reviews - Traffic flow optimization - Routing/VLAN design on F5 platforms - Validate post-cutover performance and provide hyper-care support.4. Automation & Process Enhancements- Automate repetitive F5 tasks using: - iControl REST API - Python scripts (optional)- Improve workflows, monitoring templates, and operational processes. - Drive standardization of configurations across environments.5. Documentation & Mentorship- Maintain comprehensive technical documentation: - High-level & low-level designs - Traffic flow diagrams - VIP inventory and routing maps - SOPs & advanced troubleshooting guides- Mentor and upskill L1/L2 engineers on F5 operations and troubleshooting.Required Technical SkillsF5 Expertise- F5 BIG-IP LTM (expert level) - F5 BIG-IP DNS/GTM (expert level) - Strong capability in: - VIP design & traffic engineering - SSL termination/offload (without security inspection) - Health monitors creation & tuning - Profiles (TCP, HTTP, SSL, OneConnect, persistence) - HA failover/logical device groups - Route domains, partitions, VLANs, self-IPs - Basic to intermediate iRule logicNetworking Knowledge- TCP/IP, HTTP/HTTPS, DNS, SIP, SMTP (as used in F5 traffic flows) - Layer 2/Layer 3 connectivity - Routing basics on F5 (static routing, default routes) - Load balancing algorithms - Traffic patterns, throughput, performance tuning- Ability to interpret deep packet captures and diagnose latency issues. - Experience with monitoring tools: BIG-IQ, SolarWinds, PRTG, Grafana etcSoft Skills- Strong analytical, design, and problem-solving skills. - Excellent communication with cross-functional teams and application owners. - Ability to lead calls and guide teams during major incidents. - Comfortable in demanding production environments.Education & Certifications- Bachelor’s degree. - Preferred certifications ( Any two ) : - F5 CTS–LTM (201/301) - F5 GTM/DNS specialist - CCNA /CCNP / CCIE R&S (advantage) - ITIL Foundation (optional)Experience- 7+ years experience in Network/ Delivery roles. - 3–7 years hands-on experience with F5 BIG-IP LTM/GTM in complex environments.
Job Title
Network Security Engineer