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Principal AI Network Architect

United States, Washington, Redmond💼 Full-time🗓 2026-09-22 → 2026-09-25

Core

Architect next-generation scale-up switches and define network architectures for AI clusters, racks, and multi-rack domains to support AI training and inference workloads.

Role type

Principal AI Network Architect

Builds

End-to-end AI infrastructure solutions including switch silicon, optics, interconnect technologies, and control planes.

Domain

Hardware engineering, AI infrastructure, high-performance networking

Deliverable

production ML models | product features | infrastructure

Required skills

System-level architecture for networking, compute, storage, and accelerators; AI scale-up and scale-out networking design; High-performance switch architecture; ASIC and SerDes technology expertise; Optical networking technologies (OCI, XPO, CPO, OBO); Architecture tradeoff analysis; Distributed systems and collective communication patterns; Rack integration and thermal management.

Preferred skills

Experience with RDMA/RoCE, SONiC, and network operating systems; Knowledge of AI workload patterns and inference systems.

Technologies

Ethernet, RDMA/RoCE, SONiC, switch ASICs, SerDes, retimers, PHYs, OCI, XPO, CPO, OBO

Responsibilities

Define network architectures for AI clusters and multi-rack scale-up domains; Lead architecture studies for switch silicon, optics, and control planes; Develop performance, capacity, reliability, and TCO models; Provide technical direction to switch development teams and partners; Evaluate emerging networking technologies and influence industry roadmaps.

Seniority

Principal, hands-on IC with strategic leadership

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