Network Administrator

Tata Consultancy Services; Hyderabad; On-site; INR 600,000 - 1,200,000; Full time

Job summary

Tata Consultancy Services in Hyderabad seeks a network operations engineer to monitor performance, availability and security across Meraki, SD-WAN, firewalls and monitoring tools.

You will configure Cisco routers/switches, manage VPNs, firewall policies, wireless controllers, and collaborate with vendors to ensure continuous infra service. This role emphasizes incident logging, documentation, and ongoing improvements to prevent outages.

Responsibilities

• Continuously monitor network performance, availability, and security using Meraki Dashboard, Cisco SD-WAN vManage, Firewall, Thousand Eye tools, Splunk and Datadog.
• Configure, deploy, and manage Cisco routers and switches in LAN/WAN environments for continual service and Azure networks.
• Configure and manage Cisco, Meraki devices, Firewall, SDWAN Devices and firmware upgrades, patches, and configuration changes during maintenance windows while ensuring minimal disruption.
• Firewall Administration - Configure, implement, and maintain firewall solutions (Palo Alto, fortigate, Cisco). Create, review, and optimize firewall security policies and access control rules. Perform firewall upgrades, patching, and firmware management. Manage VPN configurations and secure remote access.
• Management of Wireless controller and access point
• Troubleshooting hardware related issue on Catalyst , Meraki and SDWAN devices
• Work closely with support teams, vendors (Cisco TAC, Meraki support), and service providers for escalations and troubleshooting to maintain a continual Support and service for the Infra
• Identify and resolve SD-WAN path failures, tunnel issues, or policy misconfigurations impacting application performance or site connectivity.
• Validate routing tables, ACLs, VPN configurations, QoS settings, and firewall policies to ensure they are correctly implemented as intended.
• Managing and remediate Meraki device issues, such as AP connectivity problems, switch port errors, or security appliance alerts, through the cloud management platform.
• Leverage Cisco IOS logs, Meraki event logs, SD-WAN troubleshooting dashboards, syslogs, and SNMP traps for in-depth troubleshooting.
• Validate routing tables, ACLs, VPN configurations, QoS settings, and firewall policies to ensure they are correctly implemented as intended.
• Update network documentation and incident logs with troubleshooting steps, resolutions, and lessons learned.
• Recommend upgrades or design changes to minimize common faults or simplify troubleshooting efforts.

Job description

TCS Hiring!!!

Role & responsibilities

1. 1 Continuously monitor network performance, availability, and security using Meraki Dashboard, Cisco SD-WAN vManage, Firewall, Thousand eye tools, Splunk and Datadog.
2. 2 Configure, deploy, and manage Cisco routers and switches in LAN/WAN environments for continual service and Azure networks
3. 3 Configure and manage Cisco, Meraki devices, Firewall, SDWAN Devices and firmware upgrades, patches, and configuration changes during maintenance windows while ensuring minimal disruption.
4. 4 Firewall Administration - Configure, implement, and maintain firewall solutions (Palo Alto, fortigate, Cisco). Create, review, and optimize firewall security policies and access control rules. Perform firewall upgrades, patching, and firmware management. Manage VPN configurations and secure remote access.
5. 5 Management of Wireless controller and access point
6. 6 Troubleshooting hardware related issue on Catalyst , Meraki and SDWAN devices
7. 7 Work closely with support teams, vendors (Cisco TAC, Meraki support), and service providers for escalations and troubleshooting to maintain a continual Support and service for the Infra
8. 8 Identify and resolve SD-WAN path failures, tunnel issues, or policy misconfigurations impacting application performance or site connectivity.
9. 9 Validate routing tables, ACLs, VPN configurations, QoS settings, and firewall policies to ensure they are correctly implemented as intended.
10. 10 Managing and remediate Meraki device issues, such as AP connectivity problems, switch port errors, or security appliance alerts, through the cloud management platform.
11. 11 Leverage Cisco IOS logs, Meraki event logs, SD-WAN troubleshooting dashboards, syslogs, and SNMP traps for in-depth troubleshooting.
12. 12 Validate routing tables, ACLs, VPN configurations, QoS settings, and firewall policies to ensure they are correctly implemented as intended.
13. 13 Update network documentation and incident logs with troubleshooting steps, resolutions, and lessons learned.
14. 14 Recommend upgrades or design changes to minimize common faults or simplify troubleshooting efforts.