**Overview**

Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) powers the infrastructure behind Microsoft's Intelligent Cloud, delivering the foundational technologies that support services including Azure, Microsoft 365, Teams, Bing, Xbox Live, and more. As Microsoft continues to advance AI innovation, SCHIE is developing AI-native silicon and system-level solutions that enable next-generation AI training and inference at hyperscale.

The Platform Systems Engineering (PSE) team is seeking a Principal AI Network Hardware Systems Engineer to lead the architecture, bring-up, validation, optimization, and deployment of networking infrastructure for Microsoft's MAIA AI platform. This role combines networking hardware, systems architecture, AI infrastructure, and large-scale deployment to deliver industry-leading AI performance and reliability.

You will work across the networking stack, spanning high-speed SerDes, optics, cables, NICs, PHYs,...