CPU Power Management Engineer

Apple Inc. Cupertino , CA 95014

Posted 2 months ago

The Core OS team is looking for an exceptional software engineer to lead, design and implement new application processor's (CPU) power/performance algorithms. In this unique and highly visible role, you will be at the center of power/performance optimization efforts interfacing with multiple hardware and software teams and leading the adoption of your algorithms. You will also be required to prototype and explore novel CPU/SoC power management schemes. The influence of the proposed innovations will span across CPU micro-architecture, driver design, kernel scheduling schemes, global operating system and applications behavior, striving to satisfy both word class system performance and energy efficiency at the same time.

Key Qualifications

  • Knowledge of microprocessor architectures and hardware/software dependencies

  • Previous experience in writing and debugging complex kernel drivers

  • Experience in performance tuning and analysis of systems

  • Demonstrated innovative, critical thinking and troubleshooting skills

  • Highly professional, with the ability to deliver solid work on tight schedules

  • Excellent collaborative skills

  • Outstanding written and verbal communication

  • Knowledge of C and C++. ARM/x86 assembly is a plus.


Invent new CPU power/performance management algorithms Design, implement and optimize CPU/SoC power/performance management software Demonstrate and explain cross functionally system power/performance trade-offs Influence software design and specifications of future SoC hardware platforms

Education & Experience

MS in Computer Science or equivalent experience

Additional Requirements

  • 3+ years of experience in the embedded power management

  • Proven track record leading new technology development with hardware/software dependencies

  • Understanding of system and silicon power management, including clock management and DVFS

  • Understanding of common kernel scheduling schemes

  • Knowledge of control system theory

  • Knowledge of data analysis languages such as R, Matlab, etc.

  • Experience with system and silicon power modeling Experience with IOKit drivers on OS X or iOS is a plus

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CPU Power Management Engineer

Apple Inc.