キーパンチャー

noun

keypunch operator; keypuncher

A person who operates a keypunch machine, historically used for data entry on punched cards. Now mostly a historical or niche term.

• 彼かの女じょは若わかい頃ころ、キーパンチャーとして働はたらいていた。

  When she was young, she worked as a keypunch operator.