TCS IS HIRING FOR Network Administrator

Tata Consultancy Services; Mumbai; On-site; INR 1,200,000 - 2,500,000; Full time

Job summary

Tata Consultancy Services seeks an experienced network specialist to manage and troubleshoot enterprise infrastructure. You will work with MPLS, BGP, OSPF, and SD-WAN, configuring Cisco Meraki, VPNs, and firewalls, while coordinating with providers for link issues and TAC/RMA support.

You will monitor Datadog dashboards, review logs for security threats, and support firewall deployments and migrations in a large-scale environment.

Qualifications

• Experience with ITIL processes and ticketing tools.
• Hands-on knowledge of routing/switching including BGP and WAN troubleshooting.
• Strong background in data center networks and spine/leaf architectures.
• Familiarity with firewall design, deployments and migrations using Palo Alto/ASA.
• Experience with SD-WAN, MPLS, OSPF/IGP and VPN configurations.
• Exposure to DNS/DHCP and network automation tooling such as Terraform and Terraform-driven policies.

Responsibilities

• Maintain and troubleshoot enterprise network across MPLS, BGP and IGP domains.
• Configure Meraki, VPNs, and firewall policies; participate in migrations.
• Coordinate with service providers for link issues and TAC/RMA support.
• Monitor Datadog dashboards and review logs to identify threats.

Skills

ITIL processes

Ticketing tools

Change management

Problem management

BGP configuration

WAN troubleshooting

VLAN deployment

Cisco Meraki

VPN configuration

Firmware upgrade

Palo Alto SD-WAN

MPLS

IGP OSPF

Datacenter spine/leaf

F5 Load Balancer

NAT/Policy creation

Terraform

Infoblox DNS/DHCP

Cisco TAC/RMA coordination

Datadog dashboards

Firewall design/deployments

Security audits

Log review for threats

Tools

Cisco Meraki

Terraform

Infoblox

F5 Load Balancer

Palo Alto

ASA Firewall

Datadog

Job description

• Familiarity with ITIL processes, ticketing tools, change and problem management.
• Routing & Switching - BGP configuration & Troubleshooting WAN links.
• Deploy new vlan and troubleshooting end user network issue.
• Cisco Meraki - Monitoring and VPN configuration.
• Firmware upgrade - RMA Device replacement.
• Palo-alto SD-WAN (Prisma ION 9000) - Configuration and traffic re-route.
• Firmware upgrade.
• Experience in troubleshooting Enterprise infrastructure involving MPLS, EGP (BGP) and IGP (OSPF) protocols & Static configuration.
• Good experience in Datacenter Network spine/leaf architecture & troubleshooting.
• F5 Load balancer - Adding/Deleting nodes, VIP creation.
• Firmware upgrade.
• Firewall (ASA / Palo Alto) - NAT, Policy creation, object-group.
• Firmware Upgrade - Security policy creation via Terraform.
• Infoblox - DNS/DHCP creation and subnet allocation.
• Experience in coordination tasks with service provider for link issues.
• Experience in working with Cisco for TAC and RMA support.
• Exposure Data Dog and Cisco Meraki Dashboards.
• Participate in firewall design, deployments, and migrations.
• Ensure compliance with security standards and audit requirements.
• Review logs regularly to identify threats and recommend improvements.