That will very much depend on where you want to live and work. In my area (M3 / M4 corridor and surrounding area) there have been very few vacancies for German at all, and most of those required either French or Spanish alongside. I have acquaintances who have found getting any MFL job in this area very competitive, and some have left teaching altogether and not by choice. Some schools are phasing out German in favour of more global languages, which isn't helping the situation. However, there are areas where German is still taught in many schools. It might be worth keeping an eye on the job vacancies to see where those are. Sorry this is a bit downbeat, maybe other MFL teachers have different news for you.