Principal Software Engineering Manager

The Spartans (Special Projects and Resources Team) are a part of the Substrate Platform organization—the foundational backbone that powers Microsoft 365 workloads such as Exchange, SharePoint, Teams, and more. Substrate is responsible for delivering reliable, scalable, highly available, secure, and compliant clouds for Microsoft 365 applications. As an Engineering Manager on the Spartans team, you will lead and grow a team focused on tackling high-impact, cross-cutting challenges that unblock agility and modernization across Substrate. Spartans take on complex, organization-wide initiatives that enable engineers to move faster, adopt modern platforms and technologies, and operate services more efficiently at cloud scale. The team drives strategic efforts such as building the Substrate Context Layer to enable intelligent agents, leading large-scale platform and language modernizations, enabling cost efficiencies through Linux and ARM adoption, and supporting engineering excellence through initiatives like the Substrate Bootcamp. This role offers the opportunity to lead technically deep work, influence platform-wide direction, and deliver capabilities that power Microsoft 365 experiences for first-party partners, enterprise customers, and consumers worldwide.