Mastered comprehensive hardware and software knowledge. Skillfully diagnosed and resolved issues of different complexity levels. Able to determine if on-site technical support was needed based on issue severity. According to issue severity, liaised with suppliers to arrange on-site repairs. Assisted in on-site repairs to determine hardware faults, replace components, and reinstall systems. Regularly followed up repaired machines for reoccurrence and timely feedback to suppliers. Collected fault data from different business lines to summarize models with high repair rates.