noun
personnel change; staff reassignment; reshuffle
Refers to organizational changes in staffing, such as transfers, promotions, or rotations, often occurring at fixed times (e.g., annual spring reshuffles). Common in corporate and government contexts.
来月、人事異動で大阪支社に転勤になります。
Next month, I will be transferred to the Osaka branch due to a personnel change.
春の人事異動で部長が交代した。
The department head was replaced in the spring personnel reshuffle.