An NDT (Non-Destructive Testing) Technician inspects materials, components, and structures for flaws without causing damage, using techniques like ultrasonic, radiographic, magnetic particle, and dye penetrant testing. Responsibilities include setting up and calibrating equipment, interpreting test results, documenting findings in reports, ensuring safety compliance, and collaborating with engineers. Key requirements are experience with NDT technologies and relevant certifications, such as those from ASNT.