Power & Performance Control Engineer (Kernel/OS)

Apple Inc.; Austin (TX); Hybrid; USD 150,000 - 190,000; Full time

Job summary

Apple Inc. is seeking a Performance Control Software Engineer to measure, analyze and control power and performance across Apple silicon. You will design experiments, develop in-kernel performance control algorithms, and collaborate across OS, silicon and application teams to deliver scalable performance features.

The role emphasizes kernel development in C/C++, system-level performance profiling, and data-driven optimization to enhance power efficiency on hundreds of millions of devices.

Qualifications

• BS in Computer Science, Electrical and Computer Engineering or similar engineering degree.
• Kernel software development experience in C or C++.
• Knowledge of computer architecture and hardware performance monitoring instrumentation.

Responsibilities

• Participate in the design, prototyping, implementation and code review of kernel features related to performance control, power management and scheduling.
• Design and conduct experiments to characterize execution efficiency and the effects of physical constraints such as temperature or power delivery.
• Use excellent empirical methodology to illuminate power–performance tradeoffs.
• Influence a broad cross-functional audience spanning processor architecture, silicon engineering, system integration, OS development and application software performance evaluation.
• Find opportunities to improve the measurement and control capabilities of Apple silicon.

Skills

Kernel development

C/C++

OS performance analysis

Data visualization

Python

Education

BS in Computer Science or Electrical/Computer Engineering

MS in CS or ECE (preferred)

Tools

DTrace

Instruments

Perf

Job description

Apple Inc. is seeking a Performance Control Software Engineer to measure, analyze and control power and performance across Apple silicon. You will design experiments, develop in-kernel performance control algorithms, and collaborate across OS, silicon and application teams to deliver scalable performance features.

The role emphasizes kernel development in C/C++, system-level performance profiling, and data-driven optimization to enhance power efficiency on hundreds of millions of devices.