ステップアップ

noun, noun or participle which takes 'suru', intransitive verb

step up; advance; progress; increase

Used for moving to a higher level, improving skills, or increasing something in a positive direction. Often used in business, self-improvement, and sports contexts.

• 彼かれはキャリアアップのためにステップアップを目め指ざしている。

  He is aiming for a step up in his career.