Security Software Engineer, OS Security

What you'll do

• Design and implement isolation and compartmentalization mechanisms for iOS and macOS internals.
• Develop and maintain label-based and mandatory access systems.
• Build and maintain sophisticated security policy languages and enforcement engines.
• Create secure, usable APIs for first-party and third-party developers to adopt containment technologies.
• Analyze high-level frameworks and apps to ensure security models apply pragmatically across the system.
• Break down multi-year security goals into tangible, deployable software steps.
• Write high-performance, secure code at the OS and systems programming level.

What we're looking for

• BS in Computer Science or equivalent experience/skills in systems programming and security.
• Strong C and low-level systems programming skills.
• Understanding of operating system internals such as macOS, iOS, BSD, or Linux.
• Ability to navigate and understand code across the software stack, including kernel and low-level userland.
• Familiarity with past, current, and emerging security exploits and mitigation techniques.
• Demonstrated readiness to balance concurrent priorities, manage technical debt, and deliver on tight schedules.
• Excellent partnership and communication skills to collaborate with a broad range of engineering teams.
• Real world kernel and/or hypervisor programming experience (preferred).