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 roadma p for Cisco Catalyst SD‑WA N or Cisco Wireles s solutions (either one mandatory; both preferred)
.Define enterprise‑grade LAN, WAN, and WLAN architecture s using Cisco Catalyst switching platform s
.Design scalable, resilient network solutions aligned with business, reliability, and security requirement s
.Establish architecture guardrails to ensure compliance with enterprise, regulatory, and security standard s
.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 architecture s
.Define policies and architecture standards for
:802.1 X, SG T, TrustSe c, Guest acces s, 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 transformation s
.Review HLD/LL D 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 integratio n
.Innovation & Continuous Improvemen
tEvaluate recent Cisco technologies and lead modernization initiatives
.Drive measurable improvements in performance, scalability, availability, and operational efficienc y
.Required Skills & Experience (Must Have)
:Strong hands‑on and architecture experience with Cisco Catalyst SD‑WAN OR Cisco Wireles s (one mandatory)
.Proven experience defining LAN/WAN/WLAN enterprise architecture s using Cisco Catalyst switchin g
.Strong architecture capability in Cisco DNA C (automation/assurance/analytics
)Strong design experience with Cisco IS E, including 802.1X, policy enforcement, guest acces s, 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 Wireles s 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/CCI E (Enterprise/Wireless/Security) (preferred

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