Network Architect - SDWAN Versa specialist

Tata Consultancy Services; Chennai District; On-site; INR 1,800,000 - 2,600,000; Full time

Job summary

Tata Consultancy Services in Chennai seeks an experienced network engineer to design, deploy and support Versa SD-WAN solutions across branches, hubs, data centers and cloud. The role demands hands-on expertise with Versa Director, analytics, and FlexVNF.

You will optimize routes, manage templates and policies, handle ZTP onboarding, and work with ISPs on circuit issues, while applying Zero Trust concepts and Versa SASE features to ensure secure, reliable WAN connectivity.

Qualifications

• Strong hands-on experience with Versa Director, Analytics, and FlexVNF.
• Design, deployment, and support of Versa SD-WAN (Branch, Hub, DC, Cloud).
• Zero-touch provisioning (ZTP) and branch onboarding.
• Configuration and management of device templates, workflows, and policies.
• Knowledge of Versa SASE features (Firewall, Secure Web Gateway, IPS, URL filtering).
• Strong fundamentals in TCP/IP, routing, and switching.
• Hands-on experience with BGP, OSPF, static routing, and route redistribution.
• Understanding of underlay/overlay network architecture.
• Experience with MPLS, DIA, Broadband, LTE/5G WAN links.
• Knowledge of QoS, traffic steering, link health monitoring, and SLA policies.
• Experience with integrated firewall, NAT, zones, and security policies in Versa.
• Understanding of segmentation, secure internet breakout, and Zero Trust concepts.
• Basic exposure to IPsec, certificates, and encryption mechanisms.

Responsibilities

• Design, configure, and support enterprise-grade WAN and SD-WAN solutions.
• Perform end-to-end deployment and administration of Versa SD-WAN devices, controllers, policies, and service profiles.
• Optimize routing and implement traffic engineering, QoS, and performance tuning across WAN links.
• Manage L2/L3 switching infrastructure and ensure seamless integration with WAN/SD-WAN environments.
• Conduct firmware upgrades, device onboarding, and network migrations with minimal downtime.
• Work closely with ISPs for circuit issues, escalations, and provisioning new WAN links.
• Maintain accurate documentation including network diagrams, configs, standards, and change records.
• Provide technical guidance during major incidents, RCA documentation, and architectural improvements.
• Help maintain code quality, organization, and automatization.
• Ability to act as L3 escalation point for SD-WAN incidents (P1/P2).
• Strong troubleshooting skills for connectivity, performance, routing, and policy issues.
• Experience performing Root Cause Analysis (RCA) and driving preventive actions.
• Working knowledge of Versa logs, analytics, and packet-level troubleshooting.

Skills

Versa Director

Versa SD-WAN

ZTP

BGP over WAN

OSPF

MPLS

IPSec

TCP/IP

QoS

L2/L3 Switching

NAT/Firewall

Zero Trust

Security policies

Tools

Versa logs

Job description

Exp:- 8 to 12Yr

Key responsibility-

Job Requirements*

• Strong hands‑on experience with Versa Director, Analytics, and FlexVNF.
• Design, deployment, and support of Versa SD‑WAN (Branch, Hub, DC, Cloud).
• Experience with zero‑touch provisioning (ZTP) and branch onboarding.
• Configuration and management of device templates, workflows, and policies.
• Knowledge of Versa SASE features (Firewall, Secure Web Gateway, IPS, URL filtering).
• Strong fundamentals in TCP/IP, routing, and switching.
• Hands‑on experience with BGP, OSPF, static routing, and route redistribution.
• Understanding of underlay/overlay network architecture.
• Experience with MPLS, DIA, Broadband, LTE/5G WAN links.
• Knowledge of QoS, traffic steering, link health monitoring, and SLA policies.
• Experience with integrated firewall, NAT, zones, and security policies in Versa.
• Understanding of segmentation, secure internet breakout, and Zero Trust concepts.
• Basic exposure to IPsec, certificates, and encryption mechanisms.

Key Responsibilities*

• Design, configure, and support enterprise‑grade WAN and SD‑WAN solutions
• Perform end‑to‑end deployment and administration of Versa SD‑WAN devices, controllers, policies, and service profiles
• Optimize routing and implement traffic engineering, QoS, and performance tuning across WAN links
• Manage L2/L3 switching infrastructure and ensure seamless integration with WAN/SD‑WAN environments
• Conduct firmware upgrades, device onboarding, and network migrations with minimal downtime
• Work closely with ISPs for circuit issues, escalations, and provisioning new WAN links
• Maintain accurate documentation including network diagrams, configs, standards, and change records
• Provide technical guidance during major incidents, RCA documentation, and architectural improvements
• Help maintain code quality, organization, and automatization
• Ability to act as L3 escalation point for SD‑WAN incidents (P1/P2).
• Strong troubleshooting skills for connectivity, performance, routing, and policy issues.
• Experience performing Root Cause Analysis (RCA) and driving preventive actions.
• Working knowledge of Versa logs, analytics, and packet‑level troubleshooting.

Mandatory Skill:-

WAN Technologies (MPLS, IPSec, BGP over WAN, QoS)

Routing Protocols (BGP, OSPF, Static Routing)

Switching Technologies (L2/L3 Switching, VLANs, STP, QoS)

Network Troubleshooting & Monitoring Tools