A good knowledge of German is usually very important for most jobs. You will often work in a team and also have to understand the instructions of your superiors or your team management. These will also include safety instructions or quality guidelines. You must of course understand these.
Language, the key to a good job!
In addition, you can only work in many occupations, such as hairdresser, telephonist or in the catering industry, if you can communicate with your customers. Make sure you attend the language courses on offer. Try out the job you like in a work placement. Don't be shy: practise your new language in everyday life when you go shopping or need to ask someone for directions! Ask your family and friends for vocabulary.
A tip: Children learn new languages much faster than adults, so they can also help you. This app also offers great language training.