Network Architect
Tata Consultancy Services
2 - 5 years
Chennai
Posted: 07/05/2026
Job Description
Job Requirements*
- Design and implement spineleaf data center architectures for highperformance, lowlatency workloads.
- Develop routing strategies including BGP EVPN, VXLAN overlays, OSPF/ISIS underlays, and trafficengineering methodologies.
- Optimize fabric performance, scalability, redundancy, and convergence.
- Evaluate and introduce automation frameworks for fabric provisioning and lifecycle management.
- Architect northsouth (edge perimeter) and eastwest (internal microsegmentation) security frameworks.
- Implement segmentation patterns using firewalls, EVPN, VRFbased segregation, and zerotrust principles.
- Develop security policies to protect workloads, tenants, and multi-tier applications.
- Integrate network security with threatdetection, IDS/IPS, and compliance requirements.
- Engineer firewall insertion models (routed, transparent, service insertion, PBR, or SDNdriven).
- Ensure seamless integration of security devices into EVPN/VXLAN fabrics.
- Collaborate with application and security teams to ensure reliability and operational consistency.
- Design DCI architectures using EVPN, VXLAN, MPLS, OTV, SDWAN, or IPsec/GREbased solutions.
- Develop strategies for stretched networks, L2/L3 interconnect, and workload mobility across sites.
- Implement disaster recovery and activeactive multisite patterns.
- Ensure highavailability, deterministic behavior, and consistent policy propagation across sites.
Key Responsibilities*
- Design, build, and maintain the Network Setup
- Exposure to hybrid cloud networking and cloud security (Azure/AWS/GCP).
- Familiarity with SDN and intentbased networking solutions.
- Strong documentation, design, and communication skills.
- Ability to lead architecture reviews, deliver HLD/LLD, and support implementation teams
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