I'm not doing this job for the rest of my life.

我不会一辈子干这种工作。

《牛津词典》

There's no such thing as a job for life any longer.

不再有像终身职位这样的事了。

《牛津词典》

If you kept your nose clean, you had a job for life.

你要是规规矩矩的，就一辈子会有工作。

《柯林斯英汉双解大词典》

They see it as freeing them from the drudgery of the job-for-life and full-time employment contract that was frequently their parents' main ambition.

ECONOMIST: A vision of the way people will work in the future

This insecurity - not knowing whether his job is safe - means he is considering evading tax for the first time in his life.

BBC: Italy faces stark choices ahead of election

At any rate, she must not allow Zaak to make her question the motives of her visit, what has prompted her to leave her peaceful life, husband, and job in Toronto, where she has been resident for three-quarters of her life, and come to the war-torn country.

NPR: Somalia's Farah: Humanizing a Broken Place