There are 2 postdoc positions at Jena, ideally for GW data analysis/parameter estimation and/or GW modeling.

http://www.tpi.uni-jena.de/~bernuzzi/news-jobs.html

https://hyperspace.uni-frankfurt.de/2019/08/20/postdoc-positions-in-gravitational-waves-and-numerical-relativity-at-the-university-of-jena-germany/