Opportunities at DESY can be found following these links:
all job offers at DESY
DESY Fellowship Program
Topics for diplom/master theses in Zeuthen (page in German)
PhD positions in the Gradiertenkolleg Mass, Spectrum, Symmetry of DESY (Zeuthen), HU Berlin and TU Dresden
Jobs in the group of U. Husemann (TOP physics)
Opportunities at Humboldt-University
Thesis possibilities and offers for post-doc positions within the Humboldt University group are listed here.
Opportunities at University Hamburg
Thesis possibilities and offers for post-doc positions at Hamburg University are listed here.