expression
in the course of one's duties; in an official capacity
Used to describe actions taken as part of one's job or official responsibilities, often in legal or formal contexts.
職務上知り得た秘密を漏らしてはいけない。
You must not disclose secrets learned in the course of your duties.
その行為は職務上の権限を超えている。
That action exceeds the authority of one's official duties.