Network Switching(LAN Technology)

Tata Consultancy Services; Chennai District; On-site; INR 600,000 - 900,000; Full time

Job summary

Tata Consultancy Services is seeking a network engineering professional to design, implement, and support Enterprise LAN and WLAN environments. You will configure Aruba LAN and switching infrastructure and support data center networking including SpineLeaf and VXLAN architectures.

The role also covers implementing Layer2/Layer3 technologies, Aruba Wireless solutions, and Palo Alto firewall security, along with NAC via Aruba ClearPass and ITIL-aligned incident management.

Qualifications

• Experience with Aruba LAN/Aruba Switching in enterprise networks.
• Knowledge of STP, VLAN, VXLAN, and SpineLeaf architectures.
• Familiarity with Arista switching and data center networking concepts.

Responsibilities

• Design, implement, and support Enterprise LAN and WLAN environments.
• Configure, manage, and troubleshoot Aruba LAN and switching infrastructure.
• Support Data Center networking including SpineLeaf and VXLAN architectures.
• Implement and manage Layer2 and Layer3 technologies including STP and VLANs.
• Operate and support Aruba Wireless solutions for optimal performance.
• Manage firewall security using Palo Alto, including zoning and segmentation.
• Administer Aruba ClearPass for NAC, authentication, authorization, and policy enforcement.
• Perform incident, problem, and change management in line with ITIL processes.
• Conduct RCA and support continuous service improvement.
• Maintain accurate network documentation, diagrams, and configuration records.
• Collaborate with crossfunctional teams, vendors, and stakeholders during transitions and BAU operations.

Skills

Aruba LAN / Aruba Switching

STP, VLAN, VXLAN

SpineLeaf architecture

Arista switching

Data Center networking concepts

Job description

Key Responsibilities

• Design, implement, and support Enterprise LAN and WLAN environments.
• Configure, manage, and troubleshoot Aruba LAN and switching infrastructure.
• Support Data Center networking including modern architectures such as SpineLeaf and VXLAN.
• Implement and manage Layer2 and Layer3 technologies including STP and VLANs.
• Operate and support Aruba Wireless solutions, ensuring optimal performance and availability.
• Manage Firewall security using Palo Alto, including zoning and segmentation.
• Administer Aruba ClearPass for Network Access Control (NAC), authentication, authorization, and policy enforcement.
• Perform incident, problem, and change management activities in line with ITIL processes.
• Conduct root cause analysis (RCA) and support continuous service improvement.
• Maintain accurate network documentation, diagrams, and configuration records.
• Collaborate with crossfunctional teams, vendors, and stakeholders during transitions and BAU operations.

Technical Skills

LAN & Data Center Networking

• Aruba LAN / Aruba Switching
• STP, VLAN, VXLAN
• SpineLeaf architecture
• Arista switching (preferred)
• Data Center networking concepts

WLAN

• Aruba Wireless
• Aruba Central
• Instant Access Points (IAP)

Firewall & Security

• Palo Alto Firewalls
• Network zoning and segmentation

Network Access Control

• Aruba ClearPass
  • Authentication and authorization
  • Policy enforcement
  • Profiling and access control