(someone) works at (a company or location)

You can talk about the company where someone works with the word "at":

Don't you work at IBM?

You can also use "at" to talk about the location where someone works, even if it's not a company:

I've worked at the same school for over 30 years.

No, I think he works at the store on 8th Street.

This phrase appears in these lessons: