The Apple Services Engineering Security team is looking for a passionate and skilled Security Software Engineer that will focus on securing the software supply chain across the organization. In this role, you will help build and scale automated security tooling to identify and remediate critical software vulnerabilities at scale. You will partner closely with engineering teams to ensure secure development practices are embedded throughout the lifecycle. This role is ideal for someone with a strong background in application security, code analysis, and a deep understanding of modern software development ecosystems, particularly GitHub and GitHub Advanced Security (GHAS). You will play a key role in developing and deploying custom CodeQL queries to detect vulnerabilities and reduce risk across Apple Services codebases.