Principal Software Engineer

Microsoft's Security Copilot Base Platform Team is seeking a Principal Software Engineer to spearhead the development of foundational elements for their world-class security platform. This role combines cutting-edge AI technology with cybersecurity, focusing on building scalable solutions that enable both internal and external engineers to develop more secure and efficient systems.

The position sits at the intersection of artificial intelligence and security, working specifically on Security Copilot - an innovative tool that leverages generative AI to enhance threat detection, defense hardening, and rapid response capabilities. The team tackles complex challenges including AI system security, hallucination prevention, and prompt injection protection.

As a Principal Software Engineer, you'll be responsible for defining architectural direction and leading key projects that form the backbone of Microsoft's security infrastructure. The role requires deep technical expertise in distributed systems, with hands-on experience in technologies like .NET, C#, and Azure. You'll work in a hybrid environment (up to 50% work from home) with competitive compensation ranging from $137,600 to $267,000 per year.

Microsoft offers a comprehensive benefits package including industry-leading healthcare, educational resources, parental leave, and investment opportunities. The company's culture emphasizes respect, integrity, and accountability, with a strong focus on innovation and personal growth. This is an opportunity to join a collaborative, mission-driven team working on technology that impacts billions of users while addressing some of the most challenging problems in cybersecurity and AI.