Network Architects L3 - Control Tower [BIO] (Walk-in)

Job description

**Role - Network Architects L3 - Control Tower [BIO] (Walk-in)** **Years of Experience - 8 to 12 years** **Location - Chennai** - **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 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) - 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) - **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/change - **Certifications (Preferred / Nice to Have)** - Cisco certifications such as **CCNP/CCIE** (Enterprise/Wireless/Security) (preferred)