AWS Security is seeking a Senior Security Engineer to join their Proactive Security team, focusing on validating and securing cloud services, IoT, identity management, and more at massive scale. The role combines technical expertise in security engineering with leadership responsibilities, requiring both hands-on security work and mentorship of junior engineers. You'll conduct application security reviews, threat modeling, and build security automation while working with cutting-edge technologies. The position offers growth opportunities within Amazon's security organization, which is central to maintaining customer trust across all Amazon products and services. The team values diverse experiences and promotes an inclusive culture with ongoing DEI initiatives. You'll have the chance to work on complex security challenges while maintaining work-life harmony through flexible arrangements. The role offers comprehensive benefits and competitive compensation, reflecting Amazon's commitment to being Earth's Best Employer.