Role - Network Architects L3 - Control Tower [BIO] (Walk-in)

Years of Experience - 6 to 13 years

Location - Chennai

- Key Responsibilities - :Architecture & Strateg - yLead the architecture, design, and strategic roadmap for Cisco Catalyst SD‐WAN or Cisco Wireless solutions (either one mandatory; both preferred) - .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 - .Cisco DNAC (Automation, Assurance, Analytics - )Architect and integrate Cisco DNA Center (DNAC) for - :Network automation and configuration standardizatio - nAssurance/health monitoring and analytic - sCompliance and lifecycle management (images, upgrades, patches - )Define operational and architectural standards for leveraging DNAC insights for proactive risk remediation - .Cisco ISE & Zero Trust Segmentatio - nDesign Cisco ISE–based identity, access control, and segmentation architectures - .Define policies and architecture standards for - :802.1X, SGT, TrustSec, Guest access, and Zero‐Trust framework - sEstablish routing, segmentation, QoS, and security standards across LAN/WAN - .Transformation Leadership & Design Governanc - eProvide technical leadership during SD‐WAN, 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 RCA‐based architectural improvements - .Collaborate with security, cloud, and application teams for end‐to‐end network integration - .Innovation & Continuous Improvemen - tEvaluate new Cisco technologies and lead modernization initiatives - .Drive measurable improvements in performance, scalability, availability, and operational efficiency - .

Required

Skills &

Experience (Must Have) - :Strong hands‐on and architecture experience with Cisco Catalyst SD‐WAN 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 - )Robust understanding of - :Routing & campus design principle - sSegmentation models and QoS standard - sSecurity architecture alignment (Zero Trust principles - )Good to Have (Preferred) - :Both Cisco Catalyst SD‐WAN + Cisco Wireless architecture experience - .SDA / fabric-based campus design exposure with DNAC + ISE integration - .Working knowledge of enterprise security integrations and cross-domain architecture governance - .ITIL/ITSM process exposure (incident/problem/chang - eCertifications (Preferred / Nice to Have - )Cisco certifications such as CCNP/CCIE (Enterprise/Wireless/Security) (preferred

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📌 Network ArchitectsControl Tower [BIO] (Walk-in) (Chennai)
🏢 Tata Consultancy Services
📍 Chennai