Principal Network Planning Engineer

L3 – Senior Data Center Network Planning & Architecture Engineer

Experience: 8 – 12+ years

Role Overview

The L3 engineer owns end-to-end TELCO Data Center network planning and architecture, ensuring long-term scalability, standardization, and technology evolution.

Key Responsibilities

• Define and evolve Cisco ACI–based DC fabric architecture using Nexus 9K.
• Lead multi-year capacity planning, DC buildouts, and technology refresh initiatives.
• Design EVPN/VXLAN, Multi-Pod, and Multi-Site ACI architectures.
• Own routing and segmentation strategy using BGP underlay/overlay.
• Define network standards, reference architectures, and planning guidelines.
• Perform design-level risk analysis and RCA for major incidents.
• Drive automation-ready, repeatable planning frameworks.
• Mentor L1/L2 planners and review HLD / LLD deliverables.

Skills & Qualifications

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