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

- Solid 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

📌 Tcs hiring Network Domain Architect For Chennai
🏢 Tata Consultancy Services
📍 Chennai