A Defect Management job involves overseeing the identification, tracking, resolution, and prevention of defects in software, hardware, or manufacturing processes. Professionals in this role work closely with development, testing, and quality assurance teams to ensure that defects are logged, analyzed, and resolved efficiently. They also establish defect management processes, track trends, and implement corrective actions to improve overall product quality. Effective defect management helps maintain reliability, reduce risks, and enhance customer satisfaction.