когда-то работал

once worked; used to work there/somewhere in the past

→ когда
phrase Rare #29,639
once worked; used to work there/somewhere in the past Used to say that someone had a job or worked somewhere at some point in the past, but does not necessarily do so now. The word order can vary in Russian, so the exact phrase may appear in different positions in a sentence.
RU: Том здесь когда-то работал.
EN: Tom once worked here.

Том когда-то работал в Австралии.

Tom once worked in Australia.

Вы не знали, что Том когда-то работал в Австралии?

Didn't you know that Tom once worked in Australia?

Том когда-то работал переводчиком.

Tom once worked as a translator.

Ты знал, что Том когда-то работал в том же месте, где сейчас работает Мэри?

Did you know that Tom once worked at the same place where Mary works now?

Том когда-то работал официантом.

Tom once worked as a waiter.

Том здесь когда-то работал.

Tom used to work here.