This Principal Engineer role focuses on creating a stable, secure, and trustworthy integrated cloud AI platform. Responsibilities include balancing feature velocity with reliability and security, partnering with various teams to set technical direction for AI, trust, and security, and contributing to complex technical projects. The ideal candidate will challenge the status quo to improve platform reliability and resilience, making impactful decisions on scalable and future-proof Google systems. The role requires experience in architecting, designing, and developing distributed systems, as well as leadership experience in security, reliability, and resilience at scale. Strong collaboration and communication skills are essential for partnering with diverse teams across organizational boundaries.