Posted 04 June, 2026
Network Architect
Tata Consultancy Services
Chennai, TN, IN
Full Time
Reference: eeb8ccb24ef35250
Job Description
Role: Network Architect (Cisco Catalyst SD‑WAN / Cisco Wireless)\n\nWe are seeking an experienced Network Architect to lead the enterprise architecture, design standards, and strategic roadmap for next‑generation campus and WAN networking. The role will own end‑to‑end architecture across Cisco Catalyst Switching (LAN) , Cisco Catalyst SD‑WAN or Cisco Wireless (one mandatory; both preferred) , and drive automation/assurance through Cisco DNA Center (DNAC) alongside identity and segmentation architectures using Cisco ISE / TrustSec .\n\nKey Responsibilities\nArchitecture & Strategy\nLead the architecture, design, and strategic roadmap for Cisco Catalyst SD‑WAN or Cisco Wireless solutions (either one mandatory; both preferred).\nDefine enterprise‑grade LAN, WAN, and WLAN architectures using Cisco Catalyst switching platforms .\nDesign scalable, resilient network solutions aligned with business, reliability, and security requirements .\nEstablish architecture guardrails to ensure compliance with enterprise, regulatory, and security standards .\nCisco DNAC (Automation, Assurance, Analytics)\nArchitect and integrate Cisco DNA Center (DNAC) for:\nNetwork automation and configuration standardization\nAssurance/health monitoring and analytics\nCompliance and lifecycle management (images, upgrades, patches)\nDefine operational and architectural standards for leveraging DNAC insights for proactive risk remediation.\nCisco ISE & Zero Trust Segmentation\nDesign Cisco ISE–based identity, access control, and segmentation architectures .\nDefine policies and architecture standards for:\n802.1X , SGT , TrustSec , Guest access , and Zero‑Trust frameworks\nEstablish routing, segmentation, QoS, and security standards across LAN/WAN.\nTransformation Leadership & Design Governance\nProvide technical leadership during SD‑WAN, wireless, and campus network transformations .\nReview HLD/LLD and guide engineering teams through implementation and rollout governance.\nAct as escalation point for complex design/integration issues; drive RCA‑based architectural improvements.\nCollaborate with security, cloud, and application teams for end‑to‑end network integration .\nInnovation & Continuous Improvement\nEvaluate new Cisco technologies and lead modernization initiatives.\nDrive measurable improvements in performance, scalability, availability, and operational efficiency .\n\nRequired Skills & Experience (Must Have)\nStrong hands‑on and architecture experience with Cisco Catalyst SD‑WAN OR Cisco Wireless (one mandatory).\nProven experience defining LAN/WAN/WLAN enterprise architectures using Cisco Catalyst switching .\nStrong architecture capability in Cisco DNAC (automation/assurance/analytics)\nStrong design experience with Cisco ISE , including 802.1X, policy enforcement, guest access , and segmentation (SGT/TrustSec)\nStrong understanding of:\nRouting & campus design principles\nSegmentation models and QoS standards\nSecurity architecture alignment (Zero Trust principles)