noun
senior vice president
A high-ranking executive title in a company, above a regular vice president.
彼は上級副社長に昇進した。
He was promoted to senior vice president.
副社長 is a vice president; 上級副社長 is a higher rank, often translated as 'senior vice president'.
Compound of 上級 (じょうきゅう, 'senior' or 'upper grade') and 副社長 (ふくしゃちょう, 'vice president').