The Touch ID team is seeking a Sensing System HW Engineer to develop sensors for fingerprint biometrics in Apple products. This role involves schematic capture, module and flex design, leading integration discussions, and validating the module design throughout the supply chain. The engineer will be responsible for analog and digital circuit design, PCB design (flexible and rigid), signal integrity and power integrity evaluation, lab validation, and electrical failure analysis. Collaboration with multi-functional teams is key for developing, characterizing, validating, and integrating TouchID sensors. Experience in high-volume mass production is a plus.