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 theres nothing that can stop us from growing together.

What we are looking for

Role: Network Admin

Experience Range: 4 to 12 Years

Location: Chennai

Interview Date: 19th September 26 (09:00 AM to 12:00 PM)

Interview Venue: Gate 04, TCS Siruseri Campus,Plot No. 1, G‑1, SIPCOT Information Technology Park

Near Siruseri Special Economic Zone (SEZ), Navalur Post, Siruseri, Chennai – 603103, Tamil Nadu

Note-While coming for Walkin:-

· Please carry 2 or more copies of updated resume, 2 Passport size photo along with Govt ID proof(Xerox 2 copies)

· Please do not bring personal laptop or electronic gadgets to TCS premises.

Must Have:

- Design, configure, and manage F5 BIG-IP LTM and GTM/DNS environments.
- Configure and troubleshoot Virtual Servers, Pools, Pool Members, Nodes, Monitors, SNAT, iRules, SSL profiles, persistence, and traffic policies.
- Manage F5 GTM/DNS configurations including Wide IPs, DNS listeners, pools, topology-based routing, load balancing methods, and health monitors. Create and manage the domain and A, CNAME, MX, TXT and other DNS records in GTM.
- Perform F5 HA/failover, upgrades, patching, configuration backup and restore activities.
- Troubleshoot application connectivity, load-balancing, SSL/TLS, DNS, and routing-related issues.
- Manage SSL certificates on F5 LTM,



including certificate installation, renewal, replacement, and expiry monitoring. Perform SSL certificate renewal through F5 LTM with proper pre-checks, implementation, validation, and rollback procedures.
- Troubleshoot SSL/TLS handshake, certificate chain, intermediate certificate and cipher-related issues.
- Coordinate with application owners, certificate teams, and security teams for certificate renewal and deployment.

Good to Have:

- Manage Infoblox DDI services including DNS, DHCP, and IPAM.
- Create and manage the domain and A, CNAME, MX, TXT, PTR and other DNS records in Infoblox.
- Perform IP address allocation, subnet management, DNS delegation, and DHCP scope management. Troubleshoot DNS resolution, DHCP, IP conflicts, and connectivity issues.
- Coordinate with application, server, security, network, and vendor teams for implementation and incident resolution.
- Handle incident, change, problem, and vulnerability management activities.
- Participate in production changes, maintenance windows, weekend/after-hours support and on-call activities.

Essential

- Maintain documentation, network diagrams, configuration records and standard operational procedures.
- Follow ITIL processes and ensure timely closure of incidents and change requests.

Minimum Qualification:

- 15 years of full time education
- Minimum percentile of 50% in 10th, 12th, UG & PG (if applicable)

📌 Network Admin19th September 26 Walkin Chennai
🏢 Tata Consultancy Services
📍 Chennai