Network Architect
Tata Consultancy Services · Chennai · onsite · Posted 39d ago
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About this role
Job Title: Senior Network Architect
Experience: 12-20 Years
Interview Mode: Virtual
Interview Date: 16-Sep-26
Work Location: Chennai
Must Have :
We are seeking an experienced Network Architect / Senior Network Engineer to lead the design, transformation, and implementation of global enterprise network infrastructure across Data Centers, Cloud, WAN, LAN, and SD-WAN environments. The ideal candidate will be responsible for defining network strategy, architecture standards, and driving large-scale transformation initiatives leveraging technologies including Cisco SD-WAN, Cisco ISE, Cisco ACI, Cisco Meraki, Palo Alto, Prisma Access, NetScaler Load Balancers, and Multi-Cloud Networking, Data center
- 10+ years of experience in Enterprise Networking.
- Minimum 5+ years in Network Architecture, Solution Design, or Technical Leadership roles.
- Proven experience delivering global network transformation and modernization projects.
- Strong experience in SD-WAN, Cloud Networking, Data Center Networking, and Security technologies.
- Experience managing multi-region deployments and globally distributed teams.
- Strong stakeholder management and client-facing consulting experience.
- Define and maintain the organization's network architecture roadmap aligned with business objectives.
- Design enterprise-wide WAN, LAN, Data Center, Cloud, and SD-WAN solutions.
- Lead network transformation and modernization initiatives across global locations.
- Develop architecture standards, design principles, and governance frameworks.
- Ensure network scalability, reliability, performance, and security.
- Lead architecture workshops and technical discussions with customers, vendors, and stakeholders.
- Create High-Level Design (HLD) and Low-Level Design (LLD) documents.
- Provide technical leadership throughout design, implementation, migration, and operational transition phases.
- Mentor regional network engineers and provide architectural guidance.
- Review and approve network designs to ensure consistency and adherence to standards.
- Design and implement hybrid and multi-cloud networking architectures.
- Integrate on-premises Data Centers with Azure, AWS, and GCP environments.
- Implement secure connectivity using ExpressRoute, Direct Connect, and VPN solutions.
- Lead Cisco ACI and Data Center transformation projects.
- Architect secure network solutions utilizing Cisco ISE, Palo Alto, and Prisma Access.
- Implement Zero Trust and SASE-based security architectures.
- Ensure compliance with enterprise security standards and regulatory requirements
- Act as the primary technical advisor for network transformation programs.
- Work closely with customers, architects, project managers, and service providers.
- Present architecture recommendations and technology roadmaps to senior leadership.
- Participate in vendor evaluations, Proof of Concepts (PoCs), and technology assessments.
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Tata Consultancy Services
IT Services & Consulting
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