Network Administrator

Tata Consultancy Services

India · Full-time · Entry

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 administration. 3. ITIL V3/V4 Foundation certification with strong process knowledge in Incident, Problem, and Change Management (via ServiceNow). 4. Flexible to work in Off hour / Weekend shift. Excellent verbal and written communication skills

Key Skills

Ranked by relevance

network security firewalls wireless fortinet cloud itil dhcp vpns wan dns ios hpe

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