Principal Security Engineer

Microsoft Security is seeking a Principal Security Engineer to join their Autonomous Defense and Protection Team (ADAPT). This role is at the forefront of defending Microsoft and its customers through applied AI innovation. As part of the Microsoft Security AI Research team, you'll lead the design and deployment of infrastructure supporting cutting-edge security research and autonomous simulation environments.

The position offers a unique opportunity to work with Microsoft's complex digital estate and leverage emerging generative AI capabilities for autonomous defense. You'll collaborate with elite teams like the Microsoft Threat Intelligence Center (MSTIC) and contribute to building a comprehensive knowledge graph linking risk, investigation, and response.

Your responsibilities will focus on developing scalable, secure research environments through infrastructure as code, enabling advanced testing and simulation of adversarial techniques. Working closely with security researchers, applied scientists, and red team operators, you'll enhance experimentation capabilities and streamline operational workflows.

The role offers competitive compensation ranging from $137,600 to $294,000 (location dependent) and comprehensive benefits. Microsoft's culture emphasizes growth mindset, excellence, and innovation, impacting billions of lives worldwide. This is an exceptional opportunity for a security professional to shape the future of cybersecurity at a global scale while working with cutting-edge AI technology and world-class security teams.

The ideal candidate will bring 6+ years of technical engineering experience, strong expertise in multiple programming languages, and extensive experience with cloud platforms. You'll be part of Microsoft's mission to make the world a safer place through end-to-end security solutions, working in an environment that values continuous learning and innovation.