Network Administrator

Tata Consultancy Services; Tamil Nadu; On-site; INR 600,000 - 1,200,000; Full time

Job summary

Tata Consultancy Services (TCS) Cloud unit invites an experienced Network Admin for roles in Chennai, Hyderabad, or New Delhi. You will handle network and security administration, installation, configuration, and troubleshooting of Cisco ACI, Palo Alto Firewalls, Cisco ASA, Citrix Netscaler, and related devices.

Candidates should have 6-12 years of hands-on experience, with proficiency in BGP and OSPF, policy management, and implementing security improvements.

Qualifications

• Must have hands-on experience in network administration and security administration.
• Experience with Cisco ACI (Spine/Leaf), Palo Alto Firewalls, Cisco ASA, and Citrix Netscaler.
• Experience with firewall policy management and upgrades.
• Experience configuring dynamic routing protocols such as BGP and OSPF.

Responsibilities

• Maintain network and security infrastructure across data centers and cloud.
• Configure and troubleshoot Cisco ACI spine/leaf, Palo Alto, Cisco ASA, and Netscaler.
• Manage firewall policies and perform upgrades.
• Implement routing changes and security related tasks; identify process improvements.

Skills

Network troubleshooting

Policy management

Routing protocols

Security administration

Tools

Cisco ACI

Palo Alto Firewall

Cisco ASA

Citrix Netscaler

Load balancers

AWS

Azure

BGP

OSPF

Job description

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

Good- to- Have:-

• Working experience on Loadbalancers, Public cloud AWS, Azure
• ITSM – ITIL awareness