**Overview**

As a Principal Engineering Manager on the GitHub Developer Experience (DX) team, you will lead a team responsible for foundational systems and services that power GitHub’s internal engineering and development workflows. DX focuses on improving how GitHub engineering teams build, test, and ship software across the company—operating at significant scale and complexity. Our work spans CI/CD platforms, developer tooling, virtualized infrastructure, and the paved paths that enable teams to move quickly while maintaining reliability and security. 

We provide the tooling, services, and operational support that allow engineers to deliver changes to production safely and efficiently. This includes running highly available, company-wide CI platforms; partnering closely with application and platform teams to improve reliability and performance; and continuously reducing friction in the developer workflow. The team plays a critical role in maintaining trust in GitHub...