Principal Software Engineer

Microsoft's COSMIC team, part of the M365 Substrate Core organization, is seeking a Principal Software Engineer to help build and evolve their global-scale, Kubernetes-based service platform. This strategic initiative aims to modernize Microsoft's compute platform and improve service agility, security, and compliance. The role involves working with cutting-edge technology to deliver high-quality solutions for Microsoft's productivity workloads.

As a Principal Software Engineer, you'll lead a team of talented engineers, working extensively with Microsoft Azure technologies and open-source tools like Kubernetes. You'll be responsible for building solutions that deliver a high-level, prescriptive geo-scale application platform, standardizing service delivery across Microsoft's cloud infrastructure.

The position offers significant impact potential, affecting hundreds of critical Microsoft services running on the COSMIC platform. You'll collaborate with numerous teams across Microsoft, providing technical leadership and mentoring while working on enterprise-level solutions. The role comes with competitive compensation ($137,600 - $267,000 base salary range) and comprehensive benefits including healthcare, educational resources, and parental leave.

This is a flexible work opportunity with the option to work fully remotely, making it ideal for experienced engineers who want to shape the future of cloud infrastructure while maintaining work-life balance. The ideal candidate will bring strong experience in cloud platforms, distributed systems, and modern containerization technologies, along with the ability to lead and mentor other engineers.