Network Security Engineer - F5 / Load Balancing

We are seeking an experienced Network Security Engineer L2 with hands-on expertise in F5 Load Balancer, F5 WAF, and Citrix NetScaler. The ideal candidate should have a strong background in application delivery, load balancing, network protocols, and security technologies. This role requires in-depth technical skills to manage, configure, troubleshoot, and optimize critical infrastructure components supporting business applications and services.

Key Responsibilities :

• Manage and maintain F5 Load Balancer (LTM, GTM), F5 WAF, and Citrix NetScaler devices.
• Handle day-to-day Level 2 and Level 3 operations support, including troubleshooting, change management, and performance optimization.
• Participate in architecture discussions and provide inputs on infrastructure improvements.
• Implement and manage Load Balancing and Web Application Firewall (WAF) configurations.
• Collaborate with stakeholders to attend client meetings, discuss technical change requests, and implement them with minimal disruption.
• Perform vulnerability assessments, security hardening, and ensure compliance with best practices.
• Provide Root Cause Analysis (RCA) and documentation for incidents and changes.
• Troubleshoot network and security protocols including BGP, EIGRP, OSPF, and manage failover configurations.
• Configure and manage HA (High Availability), GSLB (Global Server Load Balancing), and SSL offloading.
• Support cloud integrations and have working knowledge of Cloud XC, OWASP, and Zero Trust concepts.
• Use ServiceNow for incident, change, and problem ticketing processes.
• Maintain daily operations documentation and contribute to compliance audits using tools like MS Office 365, SharePoint, Excel, PowerPoint.

Mandatory Skills & Experience :

Preferred Skills :

(ref : hirist.tech)