noun, noun or participle which takes 'suru', intransitive verb
being in office; holding a position; employment
Refers to the state of being employed or holding a specific post, often used in formal or business contexts. Can be used as a noun or with する to mean 'to be in office' or 'to hold a position'.
彼は現在、外務省に在職している。
He is currently employed at the Ministry of Foreign Affairs.
在
I gained a lot of experience while in that position.