• Develop playbooks and address security-related tasks in our AWS serverless environments. • Drive improvements in our broader security posture, including application security, endpoint security, access management / just-in-time access, email and web gateways, browser security, and data loss prevention. • Collaborate with product engineering teams to raise the bar for security, supporting CI/CD pipelines, dependency management, and secure application design reviews. • Help secure and improve our AWS organization using infrastructure as code (CDK), enforcing security controls, and ensuring strong tenant isolation. • Continuously assess vulnerabilities and perform regular risk assessments.