The CPU Processor Performance Verification Engineer will play a crucial role in chip design, focusing on silicon performance verification and tuning for CPUs. This position involves collaboration with architects, RTL designers, and software developers to identify performance bottlenecks and enhance software performance. The engineer will develop test plans and tools for performance verification and work on debugging and correlating performance issues. This role is essential for ensuring that Apple delivers high-performing products to millions of customers.

• Minimum BS degree and 3+ years of relevant industry experience
• Experience in performance modeling, processor verification, or RTL design
• Knowledge of digital logic design, CPU architecture, and microarchitecture
• Proficiency in developing performance test plans and writing/debugging assembly tests
• Programming skills in assembly, C/C++, Verilog, System Verilog, or scripting
• Experience in benchmark and workload analysis and CPU performance profiling
• Familiarity with compiler techniques and OS for performance optimization
• Knowledge in developing instruction profiling tools on silicon
• Experience in performance modeling for advanced CPU designs
• Experience in silicon validation
• Ability to work across teams to optimize silicon performance
• Excellent communication and presentation skills

• Work closely with architects and RTL designers to verify performance features of the design and correlate with performance models
• Collaborate with software and application developers to identify performance bottlenecks and tune the software
• Develop test plans and test infrastructure/tools for performance tuning, correlation, and verification
• Improve and maintain architectural performance models
• Develop tests in assembly, C/C++, or vectors to debug and correlate the RTL and performance model
• Create C or Verilog-based checkers for verifying performance features
• Develop coverage monitors and analyze coverage to ensure all performance features are covered
• Debug performance issues and conduct performance tuning on silicon
• Benchmark, correlate, and compare CPU performance across silicon/OS/compiler versions
• Present CPU performance results to multi-functional teams
• Work closely with OS and compiler teams on system and application performance tuning

• Employees at Apple are often offered comprehensive benefits that support physical and mental well-being—flexible medical plans, confidential counseling, onsite wellness centers at major campuses, and resources for fitness and daily life. Families typically receive fertility support, paid parental leave with gradual return, caregiving leave, and dependent-care guidance, while financial perks commonly include stock grants (with purchase discounts), 401(k) matching, and income-protection coverage. Employees also see robust time off, Apple University learning and tuition reimbursement, donation matching and paid volunteer hours, and deep product and partner discounts.