**Overview**

Join the team powering the foundational messaging platform behind Microsoft Teams, Microsoft 365, and Copilot experiences used by hundreds of millions of users worldwide. The M365 Core Messaging organization builds and operates the large-scale distributed systems that enable real-time communication, collaboration, AI orchestration, and enterprise productivity at global scale.

As an engineering leader, you will help define and execute the next generation of messaging and AI infrastructure that powers Microsoft Copilot experiences across the M365 ecosystem. This role sits at the center of Microsoft’s AI transformation, requiring deep technical expertise, strong organizational leadership, and the ability to drive large-scale platform investments critical to the future of enterprise productivity.

You will lead highly strategic initiatives across messaging infrastructure, distributed systems scalability, AI-driven platform evolution, operational excel...