The role is for an innovative engineer to join Apple's Platform Architecture GPU Modeling Team, focusing on the development and improvement of GPU simulators for next-generation architectures in iPhone, iPad, and Mac products. This position requires strong analytical skills and collaboration with various disciplines to deliver high-performance products. The engineer will work on creating and maintaining a high-performance C++ model of GPUs, implementing modern hardware features, and ensuring model accuracy. This is an opportunity to be part of a world-class team driving advancements in GPU technology.

• Bachelor's degree in a related field.
• Experience writing and debugging C++ code.
• Experience with scripting languages such as Python or Ruby.
• 3+ years of experience modeling GPUs, CPUs, or similar.
• MS or PhD degree in a related field.
• Experience coding components such as processing cores, texturing units, caches, and memory hierarchies.
• Understanding of GPU/CPU architectures.
• Experience debugging performance issues and correlating multiple models.
• Understanding of data analysis tools such as Tableau, pandas, Excel, and matplotlib.
• Experience working with cutting-edge machine learning and/or graphics applications, games, or benchmarks.
• Strong troubleshooting skills.

• Create and maintain a high-performance C++ model of next-generation GPUs.
• Code and debug a performance and functional model of the GPU.
• Implement modern hardware features such as machine learning for AI, ray tracing, and mesh shading.
• Work with the team to ensure model accuracy and feature validation.
• Correlate model results against other models and RTL.
• Develop and utilize diverse tools for analyzing data generated by the models.
• Collaborate with experienced architects, modeling engineers, compiler engineers, and software teams.
• Assess the feasibility of new hardware and software features.
• Run performance experiments and analyze results.
• Propose architectural changes based on analysis.

• 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.