Tcs hiring Network Domain Architect For Chennai

Job description

**Job Description Network Domain Architect** **Role Overview** We are seeking an experienced **Network Domain Architect** responsible for defining, designing, and governing enterprise network architecture across on-premises, data center, and cloud environments. The role focuses on building secure, scalable, and high-performance networking solutions aligned with business and IT strategy. This is a senior technical leadership role involving architecture design, transformation initiatives, and governance across global network landscapes. **Key Responsibilities** **1. Network Architecture & Strategy** - Define and maintain **enterprise network architecture roadmap** aligned with business needs - Design end-to-end architectures across: - LAN / WAN / WLAN - Data Centre Networks - Cloud & Hybrid Connectivity - Develop **HLD / LLD documentation** and design standards - Ensure scalability, resilience, and high availability **2. Core Networking & Infrastructure** - Architect solutions using technologies such as: - Routing & Switching (BGP, OSPF, MPLS, VRF) - Load balancers, DNS, DHCP - VPNs and network segmentation - Oversee deployment and lifecycle of network infrastructure (routers, switches, firewalls) **3. Network Security Architecture** - Design and enforce secure network architecture including: - Firewalls, IDS/IPS, NAC - VPN and Zero Trust network principles - Collaborate with security teams to ensure compliance with enterprise standards - Define network segmentation and access control **4. Cloud & Hybrid Networking** - Design and integrate network solutions across: - Azure / AWS cloud environments - Hybrid connectivity (ExpressRoute, VPN Gateway, SD-WAN) - Lead migration and modernization initiatives (legacy to cloud-enabled networks **5. Performance & Capacity Planning** - Define network performance benchmarks and SLAs - Conduct **capacity planning and optimization** across network landscapes - Monitor network health and recommend improvements **6. Automation & Innovation** - Drive automation using Python, Ansible, or similar tools - Evaluate and implement modern technologies such as: - SD-WAN / SASE - Network automation & observability tools - Continuously improve operational efficiency **7. Governance & Stakeholder Management** - Define and enforce network standards, policies, and best practices - Lead architecture review boards and design governance - Act as a **trusted advisor** to stakeholders and business teams - Collaborate with vendors and service providers **8. Leadership & Delivery** - Provide technical leadership to network engineers and delivery teams - Support large-scale deployments, migrations, and transformations - Mentor team members and drive knowledge sharing **Required Skills & Experience** **Technical Skills** - Strong expertise in: - Enterprise networking (LAN, WAN, WLAN, Data Centre) - Routing protocols (BGP, OSPF, MPLS) - Network security (Firewalls, VPN, Zero Trust) - Hands-on experience with: - Cisco, Aruba, Juniper, or similar OEM technologies - Cloud networking (Azure / AWS) - Strong understanding of: - SD-WAN, SASE, and modern network **Experience** - 10–15 years of experience in enterprise networking - Proven expertise in **network architecture design and transformation** - Experience working in large-scale, global environments **Certifications (Preferred)** - CCNP / CCIE - AWS Advanced Networking / Azure Networking - Security certifications (e.g., CISSP – optional) **Soft Skills** - Strong stakeholder and communication skills - Leadership and mentoring capabilities - Analytical thinking and problem-solving **Nice to Have** - Experience in retail or distributed enterprise environments (stores, warehouses) - Exposure to network automation and DevNet practices - Experience in multi-vendor environments