Role - Network Architects L3 - Control Tower [BIO]

Years of Experience - 8 to 12 years

Location - Chennai

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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
- )Robust 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

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