noun
non-career civil servant
Refers to civil servants not on the elite fast-track for high-ranking positions, typically entering through lower-level exams.
彼はノンキャリアとして市役所に勤めている。
He works at the city hall as a non-career civil servant.
ノンキャリア組は昇進が遅いと言われている。
It is said that non-career employees are promoted slowly.