Network Administrator

About the Company

TCS is Hiring For Network Data Admin Role for Chennai Location.

Location - TCS Magnum Block, Chennai One IT SEZ Phase-2, 200 Feet Radial Road, MCN Nagar Extension, Thoraipakkam, Chennai, Tamil Nadu 600097

Date -20-Th-June-2026

Mode-Face2 Face

About the Role

Total Experience - 5+ years. Rel Exp - 5 Years.

Responsibilities

• Administer and support enterprise LAN, WAN, WLAN, and Internet connectivity
• Monitor network performance, availability, and capacity using standard monitoring tools
• Perform incident management, troubleshooting, and root cause analysis for network issues
• Ensure network uptime and adherence to SLAs
• Configure, maintain, and support:
• Routers, switches, and wireless controllers
• Firewalls and VPN devices (basic administration)
• Perform standard changes, patching, firmware upgrades, and configuration backups
• Implement approved network designs and changes as per architecture standards
• Support network security controls such as:
• Firewall rule administration
• VPN user and site-to-site configurations
• Network segmentation and access controls
• Ensure compliance with enterprise security policies and operational standards
• Assist in vulnerability remediation and audit support activities
• Monitoring & Documentation
• Monitor alerts, logs, and events; take proactive actions to prevent outages
• Maintain network documentation, diagrams, and asset inventories
• Update runbooks, SOPs, and operational procedures
• Work with Network Architects and Senior Engineers on complex issues
• Coordinate with vendors and service providers for issue resolution
• Escalate unresolved issues in line with incident management processes
• Identify recurring issues and recommend operational improvements
• Participate in problem management and post-incident reviews
• Support automation and standardization initiatives where applicable
• Solid understanding of:
• TCP/IP, DNS, DHCP
• Routing & Switching fundamentals (OSPF, BGP basics)
• VLANs, STP, NAT
• Experience supporting WAN, Internet, and VPN connectivity

Note - Interested candidates can share with me their updated cv on riteshkumar.ravi2@tcs.com

Thanks & Regards

RITESH RAVI

Human Resources Talent Acquisition Group

Tata Consultancy Services

Mail to: riteshkumar.ravi2@tcs.com