In your opinion, what are the best traits for a computer service technician to have that would show high-quality customer service as well as reputable quality in his/her work?

Probably the best indication that a technician’s customer service is above standard is that the users are consistently satisfied with the results provided. In your opinion, what are the best traits for a computer service technician to have that would show high-quality customer service as well as reputable quality in his/her work?