Principal Security Engineer - Red Agent Team

Security represents one of the most critical priorities for our customers in a world of evolving digital threats, increasing regulatory requirements, growing estate complexity, and rapid advances in AI. Microsoft Security aspires to make the world a safer place by empowering every user, customer, and developer with integrated security solutions that protect across heterogeneous environments. Perception is an advanced AI platform designed to empower security and IT teams to operate at the speed and scale of AI while adhering to Microsoft's Responsible AI principles. Within Perception, the Red Agents team builds autonomous, AI-powered offensive security agents that continuously emulate real-world adversaries.

We are looking for a Principal Security Engineer to lead and build secure, reliable and safe agentic red teaming capabilities at enterprise scale. You will set technical direction and execution strategy for multi-agent systems that combine Generative AI, reasoning, memory and planning with deep security domain expertise, all operating within strict safety, authorization and scope guardrails. You will partner closely with Product, Applied Science, Responsible AI and Microsoft's internal red teams to turn emerging adversary tradecraft and industry frameworks into customer-ready agent capabilities. You will also drive engineering excellence across architecture, service health, compliance and security hygiene. You will also navigate ambiguity across organizational boundaries to ship innovative, trustworthy AI-driven security experiences for Microsoft's customers.