changing jobs; changing one's occupation or workplace.
最近、転職を考えて履歴書を更新した。
Recently I considered changing jobs and updated my resume.
転職活動は早めに始めたほうがいい。
It's better to start job-hunting for a career change early.
彼女は転職して、IT企業で働き始めた。
She changed jobs and began working at an IT company.