Job Title: Senior Network Engineer (SME)
Experience: 8-15 Years
Interview Mode: Virtual
Interview Date: 17-Sep-26
Work Location: Chennai/Gurugram
Must Have:

We are looking for a highly skilled Senior Network Engineer (SME) with 8+ years of experience in F5 Load Balancers, Citrix NetScaler ADC, Cisco Routing & Switching, and Data Center Networking. The ideal candidate should have strong expertise in managing enterprise-grade network infrastructure, application delivery platforms, routing protocols, VPN technologies, and troubleshooting complex network issues in a 24x7 support environment.
Required Qualifications

- 8+ years of experience in Enterprise Networking and Application Delivery.
- Strong hands-on experience with F5 BIG-IP LTM, GTM, ASM/WAF.
- Solid expertise in Citrix NetScaler ADC/ADM.
- Experience with Cisco Nexus 9K, ASR, ISR, Catalyst Switching Platforms.
- Strong knowledge of BGP, EIGRP, VXLAN, vPC, FEX, GRE, and IPSec VPNs.
- Deep understanding of TCP/IP, DNS, SSL/TLS, Routing & Switching concepts.
- Experience working in ITIL-based support environments.
- Administer, configure, and troubleshoot F5 BIG-IP and Citrix NetScaler ADC environments.




- Manage Virtual Servers, Pools, Health Monitors, iRules, SSL Profiles, and Traffic Policies.
- Configure and support Cisco Nexus, ASR, ISR, and Catalyst networking platforms.
- Troubleshoot and optimize BGP, EIGRP, Route Redistribution, NAT, ACLs, and VPNs.
- Design and support Data Center technologies including VXLAN, vPC, and FEX.
- Perform advanced troubleshooting for application delivery, load balancing, routing, and switching issues.
- Handle P1/P2/P3 incidents and provide L3/L4 support.
- Execute network changes, upgrades, migrations, and DR activities.
- Collaborate with Network, Security, Server, Cloud, and Application teams.
- Maintain operational documentation, SOPs, and knowledge articles.

Mandatory Skills

- F5 BIG-IP LTM, GTM/DNS, ASM/WAF
- Citrix NetScaler ADC / ADM
- Load Balancing (L4/L7)
- Cisco Routing & Switching
- Cisco Nexus 9000 Series
- Cisco ASR & ISR Routers
- Cisco Catalyst Switches
- BGP & EIGRP
- VXLAN, vPC, FEX
- GRE VPN & IPSec VPN (IKEv2)
- NAT, ACLs, Route Maps & Prefix Lists
- TCP/IP, DNS, HTTP/HTTPS, SSL/TLS

📌 Network Engineer (Chennai)
🏢 Tata Consultancy Services
📍 Chennai