The Performance Modeling Engineer will join the GPU Performance Modeling Team at Apple, focusing on defining and optimizing GPU micro-architecture. This role involves collaborating with experienced designers to analyze workloads and identify bottlenecks while developing new simulator features. The engineer will work closely with GPU and SoC Architects to enhance performance models and simulation environments. This position requires a strong understanding of computer architecture and the ability to work in a challenging and innovative environment.

• Minimum of a Bachelor's degree in a relevant field.
• Experience with programming in C and C++.
• Familiarity with performance and power simulation environments.
• Strong coding skills including object-oriented programming with C and C++.
• Knowledge of common data structures and algorithms.
• Familiarity with software design patterns.
• Knowledge of scripting languages such as Perl, Python, or Ruby.
• Strong knowledge of computer architecture and micro-architecture.
• Ability to work through ambiguities in uncertain environments.
• Strong communication, influence, and negotiation skills.

• Perform C++ performance modeling of proposed architectural solutions and features.
• Gather, analyze, and validate measured and simulated results to compare architectural design alternatives.
• Analyze and present results to enable data-driven architecture and design decisions.
• Write architectural specification documents in collaboration with engineers across different disciplines.
• Work with multi-functional teams to develop architectural solutions.
• Improve Apple's modeling platform by developing APIs, tools, and optimal standard examples.

• 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.