AOI (Automated Optical Inspection) jobs involve operating and maintaining inspection systems to detect defects in printed circuit boards (PCBs) or other manufactured components. AOI technicians or engineers use specialized equipment to analyze surface features, solder joints, and component placements for quality control. They may also troubleshoot inspection systems, adjust parameters, and collaborate with production teams to ensure manufacturing accuracy. These roles are essential in industries like electronics manufacturing, automotive, and medical devices.