As I wan to change job in Gemany, how to change my work permit in Germany?

I want to change my job and work for another company in Germany. As a foreigner, how do I change my registration of work permit in Germany? How long will the process take?



Thanks.As I wan to change job in Gemany, how to change my work permit in Germany?
Well I don't see this as a problem.When you are given a work permit for any country.the permit does'nt determine you occupation or employer.Providing you have another job,You should be free to accept it.As soon as you've worked your notice with present employer.You are able to seek new employment