noun
deputy manager; acting section chief
A corporate title for someone who acts on behalf of or assists a 課長 (section chief/manager). The exact English equivalent depends on the company's hierarchy.
彼は課長代理として会議に出席した。
He attended the meeting as the deputy section chief.
課長代理の田中さんがご説明します。
Mr. Tanaka, the acting manager, will explain.
Compound of 課長 (section chief) and 代理 (deputy, acting).