Microsoft's RedTeam (MRT) organization is seeking a Senior Security Engineer to join their Gaming and AI team. This role focuses on identifying and exploiting security vulnerabilities that impact hundreds of millions of users across Microsoft's gaming studios and AI infrastructure, including the CoPilot product suite. The position involves emulating real-world advanced persistent threats, working with over 30 gaming studios, and contributing to Microsoft's mission of making the world safer through comprehensive security solutions. The role combines technical leadership with hands-on security work, requiring collaboration with developers and security personnel across Microsoft. The position offers competitive compensation, comprehensive benefits, and the opportunity to work in a hybrid environment with up to 50% work from home flexibility. The ideal candidate will have strong experience in security vulnerability assessment, penetration testing, and a passion for advancing Microsoft's security capabilities.