Network Architect

Tata Consultancy Services Limited; Pune District, Chennai; On-site; INR 2,500,000 - 4,200,000; Full time

Job summary

Tata Consultancy Services Limited in Pune, Maharashtra is seeking a Network Architect to lead architecture, design, and strategic roadmaps for Cisco Catalyst SDWAN or Cisco Wireless solutions, with a preference for both.

You will define enterprise-grade LAN/WAN/WLAN architectures using Cisco Catalyst switching, and drive DNAC and ISE-based security and zero-trust implementations across complex campus networks.

Qualifications

• Strong hands-on and architecture experience with Cisco Catalyst SDWAN or Cisco Wireless (one mandatory).
• Proven experience defining LAN/WAN/WLAN enterprise architectures using Cisco Catalyst switching.
• Strong architecture capability in Cisco DNAC (automation/assurance/analytics).
• Strong design experience with Cisco ISE, including 802.1X, policy enforcement, guest access, and segmentation (SGT/TrustSec).
• Strong understanding of routing, campus design, segmentation models, QoS, and Zero Trust security.

Responsibilities

• Lead architecture, design, and strategic roadmap for Cisco Catalyst SDWAN or Cisco Wireless solutions.
• Define enterprise-grade LAN, WAN, and WLAN architectures using Cisco Catalyst switching platforms.
• Design scalable, resilient network solutions aligned with business, reliability, and security requirements.
• Establish architecture guardrails to ensure compliance with enterprise, regulatory, and security standards.
• Architect and integrate Cisco DNAC for automation, assurance, analytics, and lifecycle management.
• Define operational standards for leveraging DNAC insights for proactive risk remediation.
• Design Cisco ISE-based identity, access control, and segmentation architectures.
• Define policies for 802.1X, SGT, TrustSec, guest access and Zero Trust frameworks.
• Provide technical leadership during SDWAN, wireless, and campus network transformations.
• Review HLD/LLD and guide engineering teams through implementation and rollout governance.
• Collaborate with security, cloud, and application teams for end-to-end network integration.
• Evaluate new Cisco technologies and drive modernization initiatives.

Skills

Cisco Catalyst SDWAN

Cisco Wireless

LAN/WAN/WLAN architectures

Cisco Catalyst switching

Cisco DNAC

Cisco ISE

802.1X

SGT/TrustSec

Zero Trust

Network security architecture

Job description

Role : Network Architect Cisco Catalyst SDWAN / Cisco Wireless (DNAC + ISE)

Key Responsibilities

Architecture & Strategy

• Lead the architecture, design, and strategic roadmap for Cisco Catalyst SDWAN or Cisco Wireless solutions (either one mandatory; both preferred).
• Define enterprisegrade LAN, WAN, and WLAN architectures using Cisco Catalyst switching platforms.
• Design scalable, resilient network solutions aligned with business, reliability, and security requirements.
• Establish architecture guardrails to ensure compliance with enterprise, regulatory, and security standards.

Cisco DNAC (Automation, Assurance, Analytics)

• Architect and integrate Cisco DNA Center (DNAC) for:
• Network automation and configuration standardization
• Assurance/health monitoring and analytics
• Compliance and lifecycle management (images, upgrades, patches)
• Define operational and architectural standards for leveraging DNAC insights for proactive risk remediation.

Cisco ISE & Zero Trust Segmentation

• Design Cisco ISEbased identity, access control, and segmentation architectures.
• Define policies and architecture standards for:
• 802.1X, SGT, TrustSec, Guest access, and ZeroTrust frameworks
• Establish routing, segmentation, QoS, and security standards across LAN/WAN.

Transformation Leadership & Design Governance

• Provide technical leadership during SDWAN, wireless, and campus network transformations.
• Review HLD/LLD and guide engineering teams through implementation and rollout governance.
• Act as escalation point for complex design/integration issues; drive RCAbased architectural improvements.
• Collaborate with security, cloud, and application teams for endtoend network integration.

Innovation & Continuous Improvement

• Evaluate new Cisco technologies and lead modernization initiatives.
• Drive measurable improvements in performance, scalability, availability, and operational efficiency.

Required Skills & Experience (Must Have)

• Strong handson and architecture experience with Cisco Catalyst SDWAN OR Cisco Wireless (one mandatory).
• Proven experience defining LAN/WAN/WLAN enterprise architectures using Cisco Catalyst switching.
• Strong architecture capability in Cisco DNAC (automation/assurance/analytics)
• Strong design experience with Cisco ISE, including 802.1X, policy enforcement, guest access, and segmentation (SGT/TrustSec)
• Strong understanding of:
• Routing & campus design principles
• Segmentation models and QoS standards
• Security architecture alignment (Zero Trust principles)