As you might know, there is a very active community of PhD students and postdocs at the MPI for biophysical chemistry. You can follow their activities on their Facebook page. It’s especially worth to keep watch upcoming career seminars to which they invite guests who have done a PhD in the natural sciences and now are working in diverse work fields. For examples in the past have a look here. You can learn a lot about what’s possible for you in the future!
Moreover, they provide an information desk on their web page which includes among others information about formalities such as insurances or everyday life in Germany and Göttingen.
If you are interested in organizing similar events at your institute, contact me to discuss your options!