technician

noun
1
a person whose job is keeping a particular type of equipment or machine in good condition
تکنسین, فنی‌کار
see also chief technician, junior technician
2
a person who shows skill at the technical aspects of an art, a sport, etc.
تکنسین, فنی‌کار, تکنیک‌دان
As a pianist, she’s a brilliant technician, but she lacks passion.