Role - Network Architects L3 - Control Tower (BIO)
Years of Experience - 8 to 12 years
Location - Chennai
Key Responsibilities
: Architecture & Strateg
y Lead 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
n Assurance/health monitoring and analytic
s Compliance and lifecycle management (images, upgrades, patches
)Define operational and architectural standards for leveraging DNAC insights for proactive risk remediation
. Cisco ISE & Zero Trust Segmentatio
n Design Cisco ISE–based identity, access control,



and segmentation architecture s
. Define policies and architecture standards for
:802.1 X, SG T, Trust Se c, Guest acces s, and Zero‐Trust framework
s Establish routing, segmentation, Qo S, and security standards across LAN/WAN
. Transformation Leadership & Design Governanc
e Provide 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
t Evaluate current Cisco technologies and lead modernization initiatives
. Drive measurable improvements in performance, scalability, availability, and operational efficienc y
.
Required
Skills & Experience (Must Have)
: S

📌 Network architects l3 (Chennai)
🏢 Tata Consultancy Services
📍 Chennai