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# CoreOS Kernel Performance Engineer

- **Company:** Apple Inc.
- **Location:** Cupertino, CA, United States
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Profiling, Computer Engineering, Linux Kernel, Performance Tuning, System Programming, Information Technology, Coreos
- **Published:** August 21, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3361183032&tx=YT606CYT&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* Bachelor's degree in Computer Science or equivalent professional experience
 * Proficiency in C programming language
 * Strong understanding of OS fundamentals
 * Ability to collaborate across teams to drive development and performance optimizations

Preferred Qualifications

 * Experience with kernel development and low-level performance analysis.
 * Knowledge of modern CPU and memory architectures
 * Expertise with profiling tools and analysis (Instruments, VTune, etc.).

## Description

The CoreOS Kernel team within Apple's CoreOS organization is looking for an exceptional OS kernel performance engineer to push the boundary of performance on Apple Silicon platforms - from iOS to macOS, visionOS and beyond. If you have a passion for low-level programming, performance optimization, and working at the intersection of software and hardware, this is your opportunity to have a major impact on end-user experience across Apple's products., As part of the CoreOS Kernel engineering team, you will work on the core layers of the operating systems. In this role you will analyze and optimize the OS performance on upcoming platforms for responsiveness and efficiency. Drive innovative kernel and runtime design optimizations that improve scheduling, memory, and power efficiency. Collaborate with hardware architects and chip design teams to drive optimizations for Apple Silicon, and influence next generation CPU, GPU and memory subsystems. Engage across many teams, from hardware engineering to compiler, application and frameworks teams, to drive world-class end-to-end system performance.


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