Job description

Job Title: Network Admin

Experience: 5-12Years

Interview Mode: Virtual

Interview Date: 30-Sep-26

Interview Location: Chennai, Hyderabad
Important Note: Before applying, please read the Job Description carefully and thoroughly to ensure your experience and skills match the requirements mentioned below

We are looking for a skilled Network Engineer / Network Administrator with 5+ years of experience in enterprise networking, routing & switching, wireless technologies, SD-WAN, and network security. The ideal candidate should have strong troubleshooting expertise and hands-on experience managing Cisco network infrastructure, WAN technologies, data center networks, and network operations.

Key Skills

Cisco Routing & Switching, VLAN, Trucking, STP, Port Channel, HSRP/VRRP, Router-on-a-Stick, BGP, OSPF, EIGRP, MPLS, SD-WAN (vManage), Wireless, Cisco ISE, Firewall, VPN, Infoblox, Splunk, Linux Scripting.

Must Have:

Requirements

- 5+ years of experience in Network Administration/Engineering.




- Robust hands-on experience with Cisco Routing & Switching technologies.
- Experience in Data Center, WAN, and Enterprise Network environments.
- Good understanding of TCP/IP, DNS, DHCP, NAT, MPLS, and Multicast technologies.
- Exposure to SD-WAN, Wireless, Network Security, Splunk, and Infoblox.
- Excellent troubleshooting, communication, and customer-facing skills.
Responsibilities
- Manage and troubleshoot Cisco Routers and Layer 2/Layer 3 Switches.
- Configure VLANs, Trunking, STP, Port Channels, HSRP/VRRP, and L3 Switching.
- Support WAN technologies including MPLS, BGP, OSPF, and EIGRP.
- Perform IOS upgrades, network monitoring, and incident troubleshooting.
- Manage SD-WAN, Wireless Infrastructure, Firewalls, VPNs, and Cisco ISE.
- Support Data Center and Enterprise Network environments.
- Work closely with vendors, service providers, and internal stakeholders.
- Prepare technical documentation and ensure operational excellence.

📌 Network Administrator (Hyderabad)
🏢 Tata Consultancy Services
📍 Hyderabad