Network Administrator

Tata Consultancy Services; Chennai District; On-site; INR 1,200,000 - 2,100,000; Full time

Job summary

Tata Consultancy Services is seeking a seasoned Network Admin to join the Chennai/Hyderabad/New Delhi team. The role focuses on network and security administration across on-premises and cloud-integrated environments.

You will install, configure, and troubleshoot Cisco ACI, Palo Alto Firewalls, Cisco ASA, and Citrix Netscaler, manage firewall policies, and work with BGP/OSPF routing. This position requires 6-12 years of hands-on experience and willingness to work across locations.

Qualifications

• 6-12 years of relevant network experience.
• Experience with Cisco ACI (Spine/Leaf), Palo Alto Firewalls, Cisco ASA and Citrix Netscaler.
• Firewall policy management and upgrades.
• Experience with BGP and OSPF dynamic routing.
• Experience deploying Prisma Access / Prisma SASE and remote access VPN.

Responsibilities

• Install, configure and troubleshoot network gear.
• Manage network security administration and firewall policies.
• Configure dynamic routing protocols (BGP/OSPF).
• Implement changes and improve existing processes.
• Support cloud/network integration with public clouds (AWS/Azure).

Skills

Network Administration

Network Security

Troubleshooting

BGP

OSPF

Tools

Cisco ACI

Palo Alto Firewalls

Cisco ASA

Citrix Netscaler

Prisma Access

Prisma SASE

VPN

Load balancers

AWS

Azure

Job description

Join us and be part of TCS's AI Cloud transformation journey!

About the Unit:

TCS Cloud is accelerating the shift to an AI-powered, cloud-first future. As a strategic transformation partner to the world's leading enterprises, it is helping businesses reimagine their core, modernise platforms, unlock data-driven intelligence, and scale innovation through cloud, AI, cybersecurity, automation, and digital engineering. By combining deep industry expertise with cutting-edge technologies, TCS Cloud is enabling the rise of agile, resilient, and intelligent enterprises built to thrive in a rapidly evolving digital world.

Job Title: Network Admin

Job Location : Chennai / Hyderabad / New Delhi

Experience required : 6-12 years

Job Description:

Must Have:

• Responsible for Network Administration and Network Security Administration.
• Installation, configuration and troubleshooting on Cisco ACI (Spine / Leaf Switches), Palo Alto Firewalls, Cisco ASA, Citrix Netscaler etc.
• Firewall (Palo Alto) Policy Management and firewall upgrades
• Working experience on configuring and troubleshooting on dynamic routing protocols BGP, OSPF
• Implement changes, perform security related tasks, identify and recommend improvements to existing processes and procedures
• Experience in deployment, administration, and troubleshooting of Palo Alto Prisma Access / Prisma SASE, including remote access VPN, SWG, ZTNA, and security policy management.

Good- to- Have:-

• Working experience on Loadbalancers, Public cloud AWS, Azure

Research Study: Cloud strategy and transformation- https://www.tcs.com/what-we-do/services/consulting/cloud-strategy-transformation