Do employment agencies work for people that don't speak German?

I'm having extreme difficulty finding a job in Germany while not knowing German.

9 out of 10 job postings are in German, and the English ones still require you to know German 90% of the times.

I am in the process of learning German, but this will take years. I'm currently taking A2 classes.

In the meantime, a friend of mine suggested trying an employment agency.

Is this an actual option for people that do not speak German in Germany? Do they work? Or will I just watse my time contacting one?