Apple's OS Security team is seeking a motivated software engineer to develop containment and isolation mechanisms for their operating systems. This role involves designing robust software systems and crafting secure, high-performance code while collaborating with various engineering teams. The engineer will work on foundational technologies that enhance platform resilience and user confidence. The position offers the opportunity to influence security measures that protect millions of users.

• BS in Computer Science or equivalent experience 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.
• Familiarity with past, current, and emerging security exploits and mitigation techniques.
• Excellent partnership and communication skills to collaborate with a broad range of engineering teams.
• Exposure to iOS and macOS as an end user, administrator, or developer.
• Involvement in open source technologies and development communities such as FreeBSD and Linux.
• Real world kernel and/or hypervisor programming experience.
• Experience designing and implementing security policy languages.

• Design, build, and deploy containment and isolation mechanisms throughout Apple's operating systems.
• Develop foundational technologies including compartmentalization and mandatory access control.
• Collaborate with teams from Silicon Engineering to Human Interface design.
• Create ergonomic APIs that connect security engineering to developers and users.
• Invest time into promising areas of research and development.
• Balance concurrent priorities and manage technical debt to meet tight schedules.

• Employees at Apple are often offered comprehensive benefits that support physical and mental well-being—flexible medical plans, confidential counseling, onsite wellness centers at major campuses, and resources for fitness and daily life. Families typically receive fertility support, paid parental leave with gradual return, caregiving leave, and dependent-care guidance, while financial perks commonly include stock grants (with purchase discounts), 401(k) matching, and income-protection coverage. Employees also see robust time off, Apple University learning and tuition reimbursement, donation matching and paid volunteer hours, and deep product and partner discounts.