Network Admin19th September 26 Walkin Chennai

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)

Work arrangement
No