TCS is Hiring for Arista L3 Network Engineer /n Exp:

- 8to 12yr. /n Location:
- Chennai /n /n JD /n Arista Switching (EOS, EVPN-VXLAN, Leaf-Spine, MLAG) /n /n Routing & L3 Technologies (BGP, OSPF, VRF, Route Redistribution) /n /n Data Center Architecture & Fabric Design (CLOS, Spine-Leaf) /n /n Job Requirements* /n /n
- Design, deploy, and support Arista EOS-based data center networks

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- Configure and manage Leaf-Spine architecture with EVPN-VXLAN overlays

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- Robust experience with BGP (underlay/overlay), OSPF, and route redistribution

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- Implement and manage VXLAN, VTEPs, VRFs, and multi-tenant segmentation

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- Configure and troubleshoot MLAG, LACP, VLANs, and Layer 2/3 forwarding

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- Work on high-availability and redundancy mechanisms in DC networks

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- Perform traffic analysis, packet capture, and latency troubleshooting

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- Integrate Arista solutions with firewalls, load balancers, and WAN/SD-WAN

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- Use Arista CloudVision (CVP)



for centralized management, telemetry, and automation

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- Support automation initiatives using Python, Ansible, or REST APIs

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- Troubleshoot routing loops, convergence issues, packet loss, and asymmetric routing

/n /n Key Responsibilities* /n /n

- Act as L2/L3 escalation point for Data Center and network-related incidents

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- Provide end-to-end support for DC network fabric (underlay & overlay)

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- Participate in LCM activities, upgrades, and change implementation

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- Perform Root Cause Analysis (RCA) and drive permanent fixes

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- Collaborate with cross-functional teams (security, application, cloud teams)

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- Ensure high availability, performance optimization, and design compliance

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- Maintain documentation, network diagrams, and SOPs

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📌 AristaNetwork Engineer (Madurai)
🏢 Tata Consultancy Services
📍 Madurai