Job Description: Network Architect (Cisco Catalyst SD‑WAN / Cisco Wireless) Role Title Network Architect – Cisco Catalyst SD‑WAN / Cisco Wireless (DNAC + ISE) Role Summary We are seeking an experienced

Network Architect

to lead the

enterprise architecture, design standards, and strategic roadmap

for next‑generation campus and WAN networking. The role will own end‑to‑end architecture across

Cisco Catalyst Switching (LAN) ,

Cisco Catalyst SD‑WAN or Cisco Wireless (one mandatory; both preferred) , and drive

automation/assurance through Cisco DNA Center (DNAC)

alongside

identity and segmentation architectures using Cisco ISE / TrustSec .

Key Responsibilities Architecture & Strategy Lead 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 standardization Assurance/health monitoring and analytics Compliance and lifecycle management (images, upgrades, patches) Define operational and architectural standards for leveraging DNAC insights for proactive risk remediation. Cisco ISE & Zero Trust Segmentation Design





Cisco ISE–based identity, access control, and segmentation architectures . Define policies and architecture standards for: 802.1X ,

SGT ,

TrustSec ,

Guest access , and

Zero‑Trust frameworks Establish routing, segmentation, QoS, and security standards across LAN/WAN. Transformation Leadership & Design Governance Provide 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 Improvement Evaluate recent 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) Strong design experience with

Cisco ISE , including

802.1X, policy enforcement, guest access , and segmentation (SGT/TrustSec) Strong understanding of: Routing & campus design principles Segmentation models and QoS standards Security architecture alignment (Zero Trust principles)

📌 Network Architect (Chennai)
🏢 Tata Consultancy Services
📍 Chennai