Principal Software Engineer

The Software-Defined Datacenter (SDD) team at Microsoft is seeking a Principal Software Engineer to drive innovation in cloud infrastructure efficiency. This role combines hands-on technical leadership with architectural vision, focusing on optimizing Azure's datacenter operations through software and machine learning solutions. The team has already saved Microsoft billions through initiatives in power efficiency, ML systems, and intelligent resource management.

As a Principal Software Engineer, you'll be at the forefront of enabling AI-training supercomputers and software-optimized cooling at hyperscale. You'll write production code, architect solutions, and collaborate across hardware, firmware, and platform teams. The position requires expertise in cloud infrastructure, ML deployment, and distributed systems, with opportunities to mentor junior engineers and shape Microsoft's datacenter future.

The role offers competitive compensation ($137,600 - $267,000 base salary, higher in SF/NYC), comprehensive benefits, and the chance to work on critical infrastructure powering Microsoft Azure. You'll join a team that publishes in prestigious venues like ISCA and Nature, while directly impacting Microsoft's sustainability goals and operational efficiency.

This is an ideal opportunity for a senior engineer who combines technical excellence with collaborative leadership, offering up to 100% remote work with 0-25% travel. You'll be part of Azure Core, working on fundamental improvements to Microsoft's cloud infrastructure while mentoring the next generation of engineers in an inclusive environment.