Network Administrator

TCS Walkin /drive at Chennai :

Role : Network Admn

Required: 7-10 years

Date: September 19, 2026

Timing: 9:30 AM to 12:30 PM

Interview Mode: Face-to-face

Walk-inContact Person (SPOC): Divya Mukundan

Venue: Tata Consultancy Services Ltd, Chennai One IT SEZ (IG3 Infra Ltd), Tower 3 / ETL Building, 200 Feet Pallavaram - Thoraipakkam Ring Road, Chennai.

Responsibilities :

• Designing, implementing, maintaining, and supporting local and remote portions of the PCI-DSS enterprise financial network.
• Deploy InfoSec-approved DC architecture based on existing best of breed design and emerging trends.
• Management of Campus/Partner connectivity via LL, VPN (IPSEC and SSL) & SDWAN
• SSL/TLS certificate management.
• Application Delivery management via DEV/QA/UAT/Prod support.
• Triage support for all LAN/WAN/Cloud related operations and infrastructure.
• Manage circuit provisioning, activations, and troubleshooting.
• Conducting regular security assessments of the enterprise IT environment.
• Participating in design and strategy meetings for assigned IT projects for the enterprise.
• Evaluating existing communications systems, identifying deficiencies and making network performance recommendations.
• Installing and configuring Physical Servers, Host VMs and Data/Voice Communications equipment as needed.
• Responsible for performing off-hours maintenance as required.

1. Required Skills/Experience

• Demonstrable experience in LAN/WAN, MPLS, QOS, multicast and core networking discipline, including advanced routing protocols, BGP, OSPF and IP converged networks
• Proficient OSI layer 1-7 troubleshooting. Ability to analyze, trace and understand a Packet along a transaction lifecycle end-to-end.
• Circuit, Vendor, Partner relationship and tracking experiencing.
• 5 - 8 years of experience in an enterprise level Network engineering role, which includes network administration experience with Cisco, juniper Fortinet, F5, Checkpoint, Palo Alto.
• Working experience with next generation architecture: private/public/hybrid cloud, containers and hyper-converged infrastructure.
• Knowledge of network domain administration, platforms and principles, to include route/switch protocols, WAN/LAN, wireless networking, datacenter, high-availability design, Application Delivery Controller, Web Application Firewall, Domain Name Service and IP management, Cloud Platforms, Denial of Service Protection, Data Analytics and Network Monitoring.

1. Desired Skills/Experience

• Routing and switching on expertise level
• Cisco Switch 2k,5k 7k 9k. Juniper switches
• Firewalls: checkpoint, Palo Alto, FortiGate SDWAN, SonicWALL
• F5 LTM/GTM, Citrix Riverbed WLC and Access points.
• Infoblox DDI