Walk in interview For Network Data/Cisco ISE-31st Jan TCS Gitanjali Park Kolkata

TCS has been a great pioneer in feeding the fire of Young Techies like you. We are a global leader in the technology arena and there's nothing that can stop us from growing together.

We are delighted to invite you for a discussion to get to know more about you and your professional experience. The interview will be in person.

Venue details

Date: 31st Jan 2026

Timing: 9:00 Am-1:00 PM

Location: Tata Consultancy Services Ltd, Gitanjali Park, International Financial Hub(CBD), Newtown, Kolkata - .

Job Description

Role-Network Administrator

Required Technical Skill Set

Strong Knowledge on Network Routing, Switching

Desired Competencies (Technical/Behavioral Competency)

Must-Have

1. Excellent network administration and troubleshooting skills.
2. Implement and support Cisco Identity Services Engine (ISE) in wired, wireless, VPN configurations using device profiling
3. Strong knowledge of Physical and VM of Cisco ISE Architecture
4. Setup Radius server in Cisco ISE
5. Strong knowledge on Switching and Routing
6. Hands on experience on installing and configuring the switches
7. Knowledge on routing protocols and hands on experience on OSFP routing protocol
8. Deploy and manage SD-WAN solutions such as Cisco Viptela, Fortinet, or Versa
9. Provide L3-level support for complex network incidents and escalations, performing root cause analysis and permanent fixes
10. Troubleshoot Cisco Data Networks, i.e. routing/switching
11. Troubleshoot Layer 2 technologies like Layer 2 switching, STP, PVSTP, RSTP, Port channeling
12. Knowledge/experience on new Cisco Products like Nexus 7K*s, 5K*s and 2K*s, and Cisco ISE
13. Cisco Firewall/Firepower design, configuration, tuning and administration experience
14. Good Understanding and troubleshooting skills of TCP/IP, Switching &Routing protocols, MPLS, Load balancing
15. Knowledge and experience in STP, VTP, HSRP, VLAN, QoS and other switching technologies
16. Ability to understand the design and provide suggestion for improvements
17. Familiarity with network automation tools (Python, Ansible)
18. Excellent analytical and organizational skills and the ability to work with multiple geographically dispersed teams
19. Excellent listening skills & ability to communicate clearly and fluently in English
20. Flexibility to work in shifts for 24x7 support
21. Strong team player with a constructive perspective and commitment to the success of the business
22. Ability to work on multiple concurrent tasks with conflicting priorities

1. Product knowledge:

• Routing Protocols, especially MPLS, BGP, EIGRP
• Cisco Routers -- 7200, 3800, 3600, 2800, 2900, 881
• Firewalls -- Cisco ASA, FMC, FTD, Palo Alto
• VPN Site to Site, DM VPN, SSL VPN
• Load Balancers Citrix Netscaler ADC
• Switches Nexus 9k/ 7K/5K/2K, Cisco 6800,9300,9200
• Cisco Viptela, Meraki SD-WAN
• WLAN Wireless LAN Controllers, ISE

Good-To-Have

1. Experience on Network and Security architecture designing understanding
2. Knowledge on Cisco Hardwares
3. ITIL Certification
4. CCNA / CCNP Certification