Kernel Engineer, Core OS

London, England, United Kingdom

Are you a big-picture thinker who loves setting ambitious goals? Do you have a passion for understanding how each line of code affects all the others? In the Core Operating Systems group, you’ll ensure the OS is inseparable from each device’s identity as a whole. That’s because this group is committed to building fully integrated operating systems that combine hardware, software, and apps into a single Apple experience. Your dedication to cross-disciplinary collaboration will help develop groundbreaking technologies, such as iOS, macOS, watchOS, and tvOS. By crafting these distinct, holistic user experiences, you’ll continue to uphold and advance the excellence people expect from Apple devices. The Darwin Kernel Technologies team within Apple's CoreOS organization is responsible for delivery of a high-quality and performant kernel into just about every one of Apple’s products. Our software runs on your wrist as part of watchOS; in your pocket with iOS; on your desk in macOS; in your living room with tvOS; on the devices owned by your friends and family; and hundreds of millions of devices beyond those. Darwin Kernel Technologies team focuses on key kernel areas such as IPC, process management and security which are key to delivering great performance and user privacy across all Apple devices. This position requires a solid understanding of operating systems fundamentals, including kernel design and implementation. We deal in all of the traditional kernel subsystems, e.g. virtual memory, scheduling, IPC, etc, and also serve as expert system sleuths up and down the entire Apple stack. Our company is one of the last vertically integrated systems shops remaining, and as such our engineers have the unique opportunity to roam the system freely, from iOS silicon design all the way up to Apps and the cloud.

Work with a highly skilled engineering team in the design, implementation and support of numerous kernel technologies. The role includes interacting with cross-functional teams across Apple to bring state-of-the art kernel and security enhancements to Apple’s products. Engineers also use various debugging tools and techniques to identify system issues and improve quality.

Proven experience working on low level systems or devices
Solid understanding of Operating System implementation fundamentals
Proficient with C
Basic computer architecture

BS/MS in Computer Science or equivalent knowledge and experience
iOS or macOS exposure
Familiarity with software security principles
Proficiency with ARM assembly language

At Apple, we're not all the same. And that's our greatest strength. We draw on the differences in who we are, what we've experienced and how we think. Because to create products that serve everyone, we believe in including everyone. Therefore, we are committed to treating all applicants fairly and equally. As a registered Disability Confident employer, we will work with applicants to make any reasonable accommodations. Apple will consider for employment all qualified applicants with criminal backgrounds in a manner consistent with applicable law. Learn more

At Apple, we believe accessibility is a fundamental human right. You’ll find that idea reflected in everything here — in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong.

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