Network Architect (NSX)

Tata Consultancy Services Limited; Chennai; On-site; INR 3,000,000 - 6,000,000; Full time

Job summary

Tata Consultancy Services is hiring a Network Architect (NSX) to lead end-to-end network design across enterprise, private cloud, and hybrid cloud environments. The role demands 10-20 years in enterprise networking with deep NSX-T and Cisco ACI expertise.

You will design secure, highly available data center fabrics, enforce segmentation and Zero Trust, and guide multi-site deployments. Expertise in NSX, ACI, BGP/ECMP, and integration with Kubernetes and VMware cloud tools is essential.

Qualifications

• 10-15+ years of experience in enterprise networking and data center architectures.
• Expert hands-on with VMware NSX (NSX-T).
• Strong understanding of Cisco ACI and integration with NSX.

Responsibilities

• Provides end to end network architecture leadership across enterprise, private cloud, and hybrid cloud environments using Cisco ACI for physical SDN and VMware NSX T for virtualized networking and security.
• Designs highly available, resilient, and secure data center fabrics supporting multi tier applications, east west and north south traffic, multi site deployments, and disaster recovery.
• Defines and enforces advanced segmentation and Zero Trust security models using ACI EPGs, contracts, and VRFs, along with NSX Tier 0/Tier 1 gateways, micro segmentation, and Distributed Firewall (DFW).
• Acts as the technical authority for Cisco ACI, including fabric design (spine leaf, multi pod, multi site), APIC operations, L4-L7 service integration, lifecycle upgrades, and deep troubleshooting.
• Serves as an NSX subject matter expert, architecting overlay networks, edge clusters, routing (BGP/ECMP), multi tenancy, VPC based isolation, and integration with VMware Cloud Foundation, vSphere, vSAN, and Kubernetes.
• Drives network security, compliance, and audit readiness, integrating network controls with IAM, SIEM, and SOC platforms while enforcing least privilege and application centric access controls.

Skills

VMware NSX (NSX-T)

Cisco ACI

vSphere

VMware Cloud Foundation

Kubernetes

Tools

VMware NSX (NSX-T)

Cisco ACI

vSphere

vSAN

VMware Cloud Foundation

Job description

TCS is Hiring for the role "Network Architect (NSX)"

Job Title: Network Architect (NSX)

Experience: 10-20 years

Mode of Interview: Virtual Interview

Key Responsibilities:

• Provides end to end network architecture leadership across enterprise, private cloud, and hybrid cloud environments using Cisco ACI for physical SDN and VMware NSX T for virtualized networking and security.
• Designs highly available, resilient, and secure data center fabrics supporting multi tier applications, east west and north south traffic, multi site deployments, and disaster recovery.
• Defines and enforces advanced segmentation and Zero Trust security models using ACI EPGs, contracts, and VRFs, along with NSX Tier 0/Tier 1 gateways, micro segmentation, and Distributed Firewall (DFW).
• Acts as the technical authority for Cisco ACI, including fabric design (spine leaf, multi pod, multi site), APIC operations, L4-L7 service integration, lifecycle upgrades, and deep troubleshooting.
• Serves as an NSX subject matter expert, architecting overlay networks, edge clusters, routing (BGP/ECMP), multi tenancy, VPC based isolation, and integration with VMware Cloud Foundation, vSphere, vSAN, and Kubernetes.
• Drives network security, compliance, and audit readiness, integrating network controls with IAM, SIEM, and SOC platforms while enforcing least privilege and application centric access controls.

Job Requirements:

10-15+ years of experience in enterprise networking and data center architectures,

Expert level hands on experience with:

• VMware NSX (NSX T)

Strong understanding of:

• L2/L3 networking, BGP, OSPF, ECMP
• Overlay/underlay architectures
• Proven experience integrating physical (ACI) and virtual (NSX) networks
• Deep troubleshooting skills across control plane, data plane, and management plane