> Markdown version of [/jobs/ext/4566103-security-software-engineer-os-security-sear](https://www.wearedevelopers.com/jobs/ext/4566103-security-software-engineer-os-security-sear). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Security Software Engineer, OS Security, SEAR - **Company:** Apple Inc. - **Location:** Cupertino, CA, United States - **Salary:** $129,300.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Apple IOS, Apple Mac Systems, BSD Operating System, Linux, FreeBSD, Human-Computer Interaction, Open Source Technology, Security Software, Software Engineering, Software Systems, System Programming, Technical Debt, Information Technology, Operating System Security - **Published:** November 4, 2026 - **Apply:** https://www.juju.com/job/7_1ACEEB3E6C158FCCC477A9C3FE42C562 ## About the Role Come help us push the boundaries of pragmatic, user-focused security.Minimum QualificationsBS 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 (macOS, iOS, BSD, or Linux).Ability to navigate and understand code up and down the software stack (comfortable diving into kernel, low-level userland, framework, and application code).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.Preferred QualificationsExposure to iOS and macOS (end user, administrator, and/or developer).Involvement in open source technologies and development communities such as FreeBSD and Linux.Real world kernel and/or hypervisor programming ## Description As part of the Security Engineering and Architecture group, you will develop the foundational technologies-including compartmentalization, mandatory access control, and robust policy engines-that ensure our platforms are resilient and never just one mistake away from compromise. Our goal is for users to feel confident that our devices have their back every time they interact with an Apple product.DescriptionIn this hands-on software engineering role, you will design robust software systems and craft secure, high-performance code, collaborating across the company with everyone from our Silicon Engineering group to our Human Interface designers. We build technology deep within macOS and iOS internals, but we also lift it up through the software stack, creating ergonomic APIs that connect world-class security engineering directly to developers and users. You will have the autonomy to invest your time into the most promising areas of research and development, seeing your work scale to protect millions of people in their daily lives.