"Career worker" 职场工人 can be used to refer to someone who works in a professional or white-collar setting. It can also refer to someone who has a long-term career in their job, as opposed to someone who is just starting out or only working temporarily.

例句：

She's been a career worker in the finance industry for over 20 years.
她在金融行业已经当了20多年的职场工人了。

He's a career worker who's committed to cpmbing the corporate ladder.
他是一位职场工人，致力于攀登公司的阶梯。

Note: 职场工人 is not a commonly used term in Engpsh, and "career worker" might not be recognized or understood by native Engpsh speakers.