**Overview**

The **Copilot Security Engineering** team is at the core of Microsoft’s mission to deliver secured , trusted, human-centered AI experiences across the company’s Copilot offerings. We design, build, and operate systems that help identify, evaluate, and mitigate emerging AI security threats, covering adversarial testing frameworks, telemetry pipelines, evaluation systems, and production security defenses. Our goal is to be the industry leader in delivering best-in-class AI security protections for our enterprise customers.

We are looking for a **Senior Research Engineer (Machine Learning Engineer)** who is passionate about translating research ideas into scalable, reliable ML systems. This role is ideal for candidates with strong engineering fundamentals and experience in the security domain and working with machine learning systems, along with an interest in prototyping, experimentation, and system-building. You will partner closely with Applied Scient...