Performance and Modeling Engineer

APPLE INC has the following available in Austin, Texas. Model GPU architectural functionality to a pixel-accurate level using C++ for feature validation and performance studies; Collaborate with cross-functional teams across sites to define GPU feature coverage, validation strategies, and execution plans; Develop and maintain GPU software testing and regression infrastructure using Python and Kotlin; Triage of model and simulation regressions; Analyze logs and traces to root-cause architectural, functional, or test environment failures; Enhance model infrastructure, including writing or enhancing debugging tools, logging systems, and other utilities to improve validation efficiency; Write and maintain testbenches and validation scenarios for new GPU architectural features; Review architecture specifications and provide feedback from a validation perspective; Contribute to automated workflows and Cl systems to streamline regression testing and improve validation throughput; and Participate in weekly syncs with design, software, and performance teams to align validation priorities and resolve cross-domain issue. 40 hours/week.