Principal Software Engineer

Join Microsoft's Substrate SHIELD Team as a Principal Software Engineer to help protect over a billion users worldwide. This role focuses on cybersecurity for Microsoft 365, the world's largest productivity service. You'll be responsible for building security strategy, developing prototypes, and driving architectural improvements to enhance security at scale.

The position involves working with high-performing engineering teams to protect customers from online threats, taking input from bug bounty programs, internal penetration testing, and customer feedback. You'll be part of a team that continuously innovates to stay ahead of global security challenges.

As a Principal Engineer, you'll lead complex projects, mentor team members, and work closely with Product Managers and Architects. The role requires expertise in distributed systems, cloud platforms, and security systems. You'll be implementing features for Microsoft 365 products while ensuring they meet rigorous quality and security standards.

The position offers competitive compensation ($137,600 - $267,000), comprehensive benefits, and the opportunity to work in a hybrid environment (3 days onsite in Redmond, WA). You'll join a culture that values growth mindset, innovation, and collaboration, working on solutions that impact users worldwide.

This is an excellent opportunity for a seasoned security-focused engineer who wants to make a significant impact on global cybersecurity while working with cutting-edge technologies and leading teams at Microsoft.