BS in Electrical Engineering, Physics, Mechanical Engineering, Computer Science, or a related field and a minimum of 10 years relevant industry experience Experience with debugging and troubleshooting issues with complex systems Experience with laboratory instrumentation including oscilloscopes, spectrum analyzers, optical power meters, lock-in amplifiers, and precision current/voltage sources Experience with scripting languages (Python or Matlab preferred) for test automation, data acquisition, and analysis10+ years of hands-on experience in design, systems integration, hardware validation, or a related engineering role involving complex electronic or electro-optical systems Demonstrated experience with optical or photonic systems, including photodetectors, laser sources (VCSEL, LED, IR), imaging sensors, or LiDAR/proximity sensing technologies Experience with wearable health devices or medical technologies Experience with structured debug methodologies and root cause analysis across multi-domain hardware systems Solid understanding of analog and mixed-signal circuit design principles as they relate to sensor front-end performance (noise, bandwidth, dynamic range) Familiarity with embedded firmware concepts and the ability to collaborate effectively with firmware engineers during system-level debug Experience developing or maintaining automated test equipment (ATE) or custom bench test fixtures Detail-oriented and organized with excellent written and verbal communication skills. As a member of our dynamic group, you will have the unique and rewarding opportunity to craft upcoming products that will delight and inspire millions of Apple's customers every single day.