Demo

CoreOS Kernel Performance Engineer

Apple
Cupertino, CA Other
POSTED ON 8/21/2026
AVAILABLE BEFORE 10/20/2026
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. Minimum Qualifications: 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.).

Hourly Wage Estimation for CoreOS Kernel Performance Engineer in Cupertino, CA
$52.00 to $60.00
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a CoreOS Kernel Performance Engineer?

Sign up to receive alerts about other jobs on the CoreOS Kernel Performance Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$85,996 - $102,718
Income Estimation: 
$111,859 - $131,446
Income Estimation: 
$110,457 - $133,106
Income Estimation: 
$105,809 - $128,724
Income Estimation: 
$122,763 - $145,698
Income Estimation: 
$93,348 - $109,523
Income Estimation: 
$112,230 - $133,397
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Apple

  • Apple Michigan, MI
  • Apple Retail is where the best of Apple comes together. We bring our expertise to help people do what they love, delivering an only-at-Apple experience. We... more
  • 8 Days Ago

  • Apple Fairfax, VA
  • Summary Apple Retail is where the best of Apple comes together. We bring our expertise to help people do what they love, delivering an only-at-Apple experi... more
  • 8 Days Ago

  • Apple Greensboro, NC
  • Summary Apple Retail is where the best of Apple comes together. We bring our expertise to help people do what they love, delivering an only-at-Apple experi... more
  • 8 Days Ago

  • Apple Columbus, OH
  • Summary Apple Retail is where the best of Apple comes together. We bring our expertise to help people do what they love, delivering an only-at-Apple experi... more
  • 8 Days Ago


Not the job you're looking for? Here are some other CoreOS Kernel Performance Engineer jobs in the Cupertino, CA area that may be a better fit.

  • Apple Cupertino, CA
  • Are you a big-picture problem solver who loves setting high-reaching goals? Do you have a passion for understanding how each line of code affects all the o... more
  • 2 Months Ago

  • Advanced Micro Devices, Inc Santa Clara, CA
  • ADVANCE YOUR CAREER. ADVANCE THE WORLD. At AMD, we believe technology has the power to solve the world’s most important challenges. From advancing healthca... more
  • 28 Days Ago

AI Assistant is available now!

Feel free to start your new journey!