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CPU Performance Engineer, Platform Architecture

Apple· Hardware
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Beaverton, OR, Austin, TX, Santa Clara, CAfull-timePosted 2w ago

About the role

CPU Performance Engineer focused on CPU micro-architecture, collaborating with CPU designers to explore and evaluate ideas for next-generation iPhone, iPad, and Mac CPU architectures. Responsibilities include modeling, data collection, performance and power analysis, and maintaining a data-driven simulation environment to improve productivity and identify bottlenecks across single-threaded and multi-threaded workloads.

Responsibilities

  • Analyze single-threaded and multi-threaded workloads across existing and new product categories to identify bottlenecks and opportunities for improvement
  • Collaborate with CPU designers in micro-architecture and RTL to assess feasibility of ideas through modeling, refine ideas and model correlation, and seed new ideas
  • Maintain and improve the simulation environment to enable data driven decisions and boost team productivity
  • Collect data and measurements to confirm or rule out hypotheses about performance and power improvements
  • Explore areas such as branch prediction, code/data prefetchers, novel prediction schemes and CPU pipelines

Qualifications

  • BS degree
  • MS or PhD in Electrical or Computer Engineering or Computer Science
  • Experience with CPU architecture and micro-architecture
  • Experience in performance and/or power simulation environments
  • Coding experience including object-oriented programming with C and C++
  • Experience in scripting languages such as Perl or Python
  • Understanding of common data structures and algorithms
  • Knowledge in software design patterns
  • Familiarity with SIMD and vector architectures
  • Knowledge of OS internals and compiler technologies
  • Comfortable in an environment of uncertainty and able to walk through ambiguities
  • Communication, influence and negotiation skills

Skills

Required:CPU architecturePerformance/power simulationC and C++ programmingScripting (Python/Perl)

Benefits

  • Equal opportunity employer commitments to inclusion and diversity
  • Accessibility and accommodations information provided in job description
Last updated Oct 9, 2026. Interested? Apply on the company site.

About Apple

Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support.

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