Job Summary:
Tata Consultancy Services is a leading IT services and consulting company, and they are seeking a Network Architect to define enterprise network architecture aligned with business goals. The role involves designing scalable, secure solutions across various network environments, implementing Zero Trust principles, and driving automation and innovation in network management.
Responsibilities:
• Defines enterprise network architecture aligned with business goals.
• Designs scalable, secure solutions across WAN, LAN, DC and cloud with HLD/LLD.
• Manages both legacy WAN (MPLS/DMVPN) and Cisco SD-WAN environments.
• Ensures stable multi-region connectivity and optimizes traffic performance using Application-Aware Routing.
• Architects hybrid and multi-cloud connectivity across AWS, Azure, and GCP.
• Implements modern data center fabrics ensuring seamless integration.
• Implements Zero Trust principles with strong segmentation, encryption, and firewall policies.
• Designs and manages Palo Alto firewalls (policies, NAT, VPNs, Panorama) and Zscaler integration.
• Utilizes Cisco Catalyst Center, ThousandEyes, Cisco ISE, Opengear (OOB) for network visibility, proactive monitoring and high availability during outages.
• Drives automation using Python, Ansible and infrastructure-as-code tools.
• Builds CI/CD pipelines and promotes intent-based and self-healing networks.
• Establishes standards, conducts design reviews and ensures compliance.
• Mentors teams and acts as a technical SME for key initiatives.
• Leads resolution of complex network issues using deep analysis techniques.
• Optimizes performance and cost through continuous monitoring and tuning.
Qualifications:
Required:
• Deep expertise in Cisco SD-WAN (Viptela) components – vManage, vSmart, vBond, OMP, TLOC, BFD.
• Multi-region fabric design and scalability planning
• Expert-level knowledge of BGP (including EVPN), EIGRP, OSPF, IS-IS, MPLS, Segment Routing and advanced traffic engineering
• Expertise in Zero Trust Architecture, IPsec, Secure Access (ZTNA), Micro-segmentation and firewall technologies including Palo Alto (policy, NAT, VPN, Panorama) and Zscaler integration
• Hybrid cloud networking (AWS, Azure, GCP), VPC/VNet design, multi-cloud connectivity, DC fabric (VXLAN EVPN, ACI)
• Experience with enterprise-grade hardware (Cisco ISR/ASR Router, Catalyst 9000/8000V, Nexus series) and virtualization platforms
• Experience with Cisco wireless (enterprise environments) and OOB management tools like Opengear
• Experience with F5 load balancers, Cisco tools like Catalyst Center & ThousandEyes and monitoring platforms for performance visibility and troubleshooting
• Advanced automation using Python, Ansible, REST APIs, Terraform; CI/CD pipelines for network deployments
• Enterprise network strategy, cost optimization, vendor management, compliance and architectural governance
Company:
Tata Consultancy Services is a business solutions company that specializes on information technology services and consulting. It is a sub-organization of Tata Group. Founded in 1968, the company is headquartered in Mumbai, IND, with a team of 10001+ employees. The company is currently Late Stage.