Arm is the industry's leading supplier of microprocessor technology, offering the widest range of microprocessor cores to address the performance, power, and cost requirements for almost all application markets. With a vibrant ecosystem of over 1,000 partners and more than 150 billion processors shipped, our technology is at the heart of a computing and connectivity revolution that continues to transform the way people live and businesses operate. The CPU Performance team is part of Arm's worldwide CPU development group. This diverse, engineering-focused team defines, designs, and validates Arm processor IP, collaborating with the world's leading technology companies to enable innovation across billions of devices. We are seeking an Architecture Performance Engineer to join our CPU Performance team in Austin or Raleigh. In this role, you will focus on ensuring new Architecture extensions are performant for next-generation Arm CPUs. You will work closely with architects and designers to analyze performance trade-offs, build models, and validate architectural concepts prior to implementation. This position is ideal for candidates who enjoy bridging the gap between architecture definition and microarchitecture realization.