Security Support Engineer II

Overview

Security Support Engineer II is an essential member of F5's Network Operations Center (NOC), combining network automation and deep security analysis to troubleshoot advanced network, security and infrastructure issues across enterprise-grade products and production services.

What you'll do

• Enhance observability of network infrastructure by implementing automations, advanced monitoring solutions and data trend analysis, and proactively identify potential issues from alerts and triggers.
• Configure and manage customized alerting systems for DDoS attack, availability, latency, packet loss, etc., across various layers of the network.
• Proactively engage with the Customer Success team upon triggered alerts to explain the nature and reason behind alerts or network performance degradation.
• Conduct thorough Root Cause Analysis (RCA) of network incidents and develop and implement effective solutions and preventive measures to mitigate root causes.
• Troubleshoot and implement advanced network configurations including SDN, IaC, switches, routers, firewalls, load balancers, WAF, DDoS, DNS and cloud networking environments.
• Design and implement automated processes to deploy, monitor and maintain network systems.
• Maintain ongoing communication with teammates, customers and stakeholders on network issues until closure.
• Review and approve team deliverables including customer updates, documentation changes and network issue handling procedures.
• Proactively monitor network performance, troubleshoot issues and optimize network incident trigger configurations for maximum efficiency and uptime.
• Engage in complex troubleshooting, including running maintenance and recovery tasks, interpreting alarms and errors in logs, and performing maintenance to correct problems.
• Collaborate with vendors and other technical personnel to resolve technical issues and achieve the highest levels of systems and infrastructure availability.
• Handle and escalate as needed significant network-impacting alerts to ensure swift resolution.
• Participate in customer calls, providing detailed and regular updates on critical issues, and communicate with impacted users throughout troubleshooting and remediation.
• Participate in on-call rotation and shift duties in line with 24/7 business operations.

What you'll need

• 5–8 years of network/security support experience in a large enterprise NOC or operations environment.
• Bachelor's in Computer Science or Information Technology.
• Deep expertise in OSI model troubleshooting and protocols: OSPF, BGP, STP, TCP/UDP, IPv6, QoS.
• Proven experience managing and troubleshooting Multi-OS LAN/WAN/SD-WAN architectures.
• Strong working knowledge of Kubernetes (K8s), container networking/ingress, and managed cloud Kubernetes environments (e.g., AWS EKS).
• Strong understanding of enterprise application delivery and security products (WAF, DDoS mitigation, DNS, Load Balancers).
• Hands-on experience with observability and monitoring tools such as Grafana, Splunk, Nagios, New Relic, Cosmos, Zabbix, or equivalent platforms.
• Practical experience with automation tooling: Python, Ansible, Jenkins, Git, ZTP (Zero Touch Provisioning), or Infrastructure as Code (IaC).
• Proven ability to troubleshoot calmly under pressure during mission-critical production incidents.
• Strong documentation, stakeholder management and customer-facing communication skills.

Details

• Location: Hyderabad (SEZ), India.
• Participation in on-call rotation and shift duties in line with 24/7 business operations.