Software Development Engineer in Test - Kernel Quality Engineering, Core OS

Cupertino, CA, United States • Posted June 02, 2026

Job Type: Full-time
Location: Cupertino, CA
Posted: June 02, 2026
Category: other-general
Application Deadline: June 08, 2026

Role Description

**Role Number:** 200659294-0836

**Summary**
The Darwin Kernel organization plays a vital role in Apple's success. We are responsible for the XNU kernel running at the heart of the operating systems deployed across all iPhone, iPad, Mac, Watch, Apple TV, and Vision devices. As a member of Darwin Kernel, you'll have the opportunity to qualify innovative kernel technologies that run on billions of devices worldwide. You'll be given the ownership and agency to influence the future direction of our products. As a member of the Darwin Kernel Quality Engineering team, you will have the unique opportunity to help validate kernel features that support our silicon and product roadmap. This includes kernel areas such as memory management, concurrency, scheduling, power transitions, kernel/user boundaries, CPU tracing, and more. You will also have the opportunity to develop the validation infrastructure that supports qualification. Join the Darwin Kernel Quality Engineering team and...

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