<p><p>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.</p><br/><p><b>Key Responsibilities :</b></p><p><b><br/></b></p><p>- Manage and maintain F5 Load Balancer (LTM, GTM), F5 WAF, and Citrix NetScaler devices.<br/><br/></p><p>- Handle day-to-day Level 2 and Level 3 operations support, including troubleshooting, change management, and performance optimization.<br/><br/></p><p>- Participate in architecture discussions and provide inputs on infrastructure improvements.<br/><br/></p><p>- Implement and manage Load Balancing and Web Application Firewall (WAF) configurations.<br/><br/></p><p>- Collaborate with stakeholders to attend client meetings, discuss technical change requests, and implement them with minimal disruption.<br/><br/></p><p>- Perform vulnerability assessments, security hardening, and ensure compliance with best practices.<br/><br/></p><p>- Provide Root Cause Analysis (RCA) and documentation for incidents and changes.<br/><br/></p><p>- Troubleshoot network and security protocols including BGP, EIGRP, OSPF, and manage failover configurations.<br/><br/></p><p>- Configure and manage HA (High Availability), GSLB (Global Server Load Balancing), and SSL offloading.<br/><br/></p><p>- Support cloud integrations and have working knowledge of Cloud XC, OWASP, and Zero Trust concepts.<br/><br/></p><p>- Use ServiceNow for incident, change, and problem ticketing processes.<br/><br/></p><p>- Maintain daily operations documentation and contribute to compliance audits using tools like MS Office 365, SharePoint, Excel, PowerPoint.</p><br/><p><b>Mandatory Skills & Experience :</b></p><p><br/></p><p>- Minimum 4 years of hands-on experience with F5 Load Balancer and/or F5 WAF.<br/><br/></p><p>- Strong experience in Citrix NetScaler and F5 appliances.<br/><br/></p><p>- Good understanding of static and dynamic routing protocols (BGP, OSPF, EIGRP).<br/><br/></p><p>- Working knowledge of ITIL processes and framework.<br/><br/></p><p>- Experience in incident response, severity issue troubleshooting, and change management.<br/><br/></p><p>- Active professional-level certification from OEMs like F5 or Citrix.<br/><br/></p><p>- Familiarity with application delivery concepts, ASM, GTM, and SSL offloading.<br/><br/></p><p>- Comfortable with 24x7 operations support in a client-facing environment.</p><br/><p><b>Preferred Skills :</b></p><p><b><br/></b></p><p>- Experience with Application Centric Infrastructure (ACI) and data center deployments.<br/><br/></p><p>- Understanding of cybersecurity concepts, cloud security, Zero Trust architecture, and IoT/AI-based solutions.<br/><br/></p><p>- Exposure to cyber resiliency, incident management frameworks, and cloud networking security.</p><br/></p> (ref:hirist.tech)