Full-time

Network Administrator

Posted by Tata Consultancy Services • kolkata, west bengal, India

📍 kolkata, west bengal 🕒 June 07, 2026

About the Role

TCS is Hiring Network Admin

Location: Kolkata

Experience: 2+


Expert-level experience in managing enterprise LAN/WAN, SD-WAN, and Wireless infrastructures, heavily focused on Cisco, HPE, Cisco Meraki, and Ubiquiti environments. 2. Strong hands-on experience in Network Security, specifically administering Fortinet Firewalls (policy creation, optimization, and VPNs) and Zscaler Zero Trust ecosystems (ZIA/ZPA). 3. Proven experience in reviewing, configuring, and troubleshooting Cloud Networking and Security controls (e.g., VPCs, Subnets, NSGs, SGs, and routing in AWS/Azure). 4. Deep operational experience executing network lifecycle management, including vulnerability mitigations, firmware upgrades, and IOS patch management.

Good-to-Have 1. Experience administering core network services including IP Address Management, DNS, and DHCP. 2. Familiarity with Out-of-Band (OOB) management solutions (e.g., Opengear) and Load Balancer ...

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