Engineer

エンジニア

enjinia

(person engaged in designing, constructing, or maintaining engines or machinery; (more generally) a person qualified or professionally engaged in any branch of engineering, or studying to do so)

技師

gishi

(person engaged in designing, constructing, or maintaining engines or machinery; (more generally) a person qualified or professionally engaged in any branch of engineering, or studying to do so)

技術者

gijutsusha

(person engaged in designing, constructing, or maintaining engines or machinery; (more generally) a person qualified or professionally engaged in any branch of engineering, or studying to do so)

機関士

kikanshi

(person who drives or operates a locomotive)