Senior Machine Learning (ML) Engineer

Our team is looking for a Senior Machine Learning (ML) Engineer to join us. Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them with end to end, simplified solutions. The Microsoft Security organization accelerates Microsoft’s mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers’ heterogeneous environments, as well as ensuring the security of our own internal estate. Our culture is centered on embracing a growth mindset, a theme of inspiring excellence, and encouraging teams and leaders to bring their best each day. In doing so, we create life-changing innovations that impact billions of lives around the world.

The AI Personalization, Feedback, and Analytics team ensures that Security Copilot, Microsoft's GenAI platform, delivers adaptive and intelligent experiences by leveraging feedback loops, analytics, and personalization techniques. Our focus areas include: Building AI-driven personalization engines that dynamically tailor responses, recommendations, and learning experiences based on user interactions. Developing tools that enable human-in-the-loop manual tagging, automated tagging, and signal generation to refine model quality through reinforcement learning. Delivering user analytics and predictive insights to empower multiple stakeholders: Product teams for strategic decision-making. Engineering teams to optimize AI-driven customer interactions. Developers to enhance user experiences through guided recommendations. Role Overview We are seeking a Senior Machine Learning (ML) Engineer to help drive AI personalization and intelligence for Security Copilot. In this role, you will leverage data-driven insights to refine AI models, enhance user-specific experiences, and inform product strategy. You will collaborate with engineers, product managers, and researchers to define key metrics, conduct experiments, and analyze data that shape the evolution of our platform.

Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.