Role - Network Architects L3 - Control Tower [BIO]

Years of Experience - 8 to 12 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

)Solid design experience with Cisco ISE, including 802.1X, policy enforcement, guest access, and segmentation (SGT/TrustSec

)Strong 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 )

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