Overview: Security is a critical priority for customers as threats evolve. Microsoft Security aims to empower users, customers, and developers with integrated security solutions across heterogeneous environments. Perception is an advanced AI platform designed to help security and IT teams operate at the speed and scale of AI while following Microsoft's responsible AI principles. We are seeking a Principal Software Engineer to provide technical leadership for the evolution of the Perception Platform and to drive foundational AI and platform investments across Microsoft Security. You will define the architecture and engineering strategy for sophisticated Generative AI, Retrieval-Augmented Generation (RAG), memory, reasoning, agentic and multi-agent systems, identity and authorization, AI safety, and distributed cloud platforms operating in security-sensitive enterprise environments. Bringing together deep distributed systems and cloud platform expertise with strong AI systems architecture experience, you will establish architectural patterns that enable multiple engineering teams and Microsoft Security products to build secure, reliable, compliant, and scalable AI-powered experiences on common platform foundations. You will operate across organizational and product boundaries to translate ambiguous business and product requirements into durable technical architectures, drive alignment among senior technical leaders, and identify opportunities for Microsoft Security engineering leverage. Microsoft’s mission is to empower every person and every organization on the planet to ach

Overview: Security is a critical priority for customers as threats evolve. Microsoft Security aims to empower users, customers, and developers with integrated security solutions across heterogeneous environments. Perception is an advanced AI platform designed to help security and IT teams operate at the speed and scale of AI while following Microsoft's responsible AI principles. We are seeking a Principal Software Engineer to provide technical leadership for the evolution of the Perception Platform and to drive foundational AI and platform investments across Microsoft Security. You will define the architecture and engineering strategy for sophisticated Generative AI, Retrieval-Augmented Generation (RAG), memory, reasoning, agentic and multi-agent systems, identity and authorization, AI safety, and distributed cloud platforms operating in security-sensitive enterprise environments. Bringing together deep distributed systems and cloud platform expertise with strong AI systems architecture experience, you will establish architectural patterns that enable multiple engineering teams and Microsoft Security products to build secure, reliable, compliant, and scalable AI-powered experiences on common platform foundations. You will operate across organizational and product boundaries to translate ambiguous business and product requirements into durable technical architectures, drive alignment among senior technical leaders, and identify opportunities for Microsoft Security engineering leverage. Microsoft’s mission is to empower every person and every organization on the planet to ach