As a Security Software Engineer in Apple Services Engineering, you will develop, deploy, and maintain automated tools to detect and help developers fix critical security vulnerabilities across our services. You will drive the adoption and scaling of GitHub Advanced Security across engineering teams, ensuring broad coverage and impact. You will also write and maintain custom CodeQL queries tailored to Apple’s codebases and threat model. You will contribute to internal tooling and frameworks that support scalable, automated supply chain risk reduction. You will continuously evaluate and improve the effectiveness of our vulnerability detection and remediation capabilities and stay current with the latest supply chain security threats and techniques and help Apple proactively respond to them.