As a Product Security Engineer, Principal, you will be responsible for implementing security policies, conducting risk assessments, and performing vulnerability testing. You will conduct design and architecture reviews, threat modeling, and secure code reviews to ensure strong security measures. You will provide technical guidance to engineering teams, manage security vulnerability resolution, and respond to security incidents promptly. Collaboration with internal and external security professionals is also crucial. Staying updated on emerging threats and improving security processes are essential. You will serve as a subject matter expert on information security.