*Job Title:* Network & Security Engineer *Experience:* 5–10 years *Key Responsibilities:* - Manage and troubleshoot enterprise *routing and switching* infrastructure (Cisco/Juniper). - Configure and optimize *F5 BIG-IP* load balancers (LTM, GTM, SSL offloading, traffic policies). - Administer and support *Citrix environments*, including *NetScaler* for secure remote access and load balancing. - Deploy, manage, and troubleshoot *FortiGate firewalls* (policies, VPNs, threat protection). - Implement and maintain *Cisco ISE* for network access control, including *802.1X*, *profiling*, and *guest access*. - Manage and monitor *Cisco WLC* and wireless access infrastructure. - Operate and automate using *Cisco DNA Center (DNAC)* for policy, provisioning, and network assurance. *Required Skills:* - Deep knowledge of *network protocols*: TCP/IP, VLANs, STP, OSPF, BGP, EIGRP, NAT, ACLs. - Strong hands-on experience with *F5*, *Citrix NetScaler*, and *FortiGate* firewalls. - Familiar with *identity-based security* and *network segmentation* using Cisco ISE. - Proficient in *wireless technologies*, WLC configuration, and RF troubleshooting. - Experience using *Cisco DNAC* for network automation and SDA. *Expected Certifications Preferred:* - *CCNP / CCIE (Routing & Switching or Security)* - *F5-CTS (BIG-IP LTM)* - *Fortinet NSE 4 or higher* - *Citrix Certified (CCA-V / CCP)*