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 new 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 .Robust 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

)

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