What is the fine-grained topic of the following text: In the east of Switzerland we offer jobs in the regions Bern (BE/SO/Biel), Oberwallis, Zentralschweiz (LU/OW/NW/UR), Basel (BS/BL), Aarau/Olten, Grossraum Baden, Freiamt, Zürich (ohne Winterthur), Zug, Schwyz/Graubünden, Winterthur / Schaffhausen, Thurgau, St. Gallen / Appenzell and Rheinthal / Liechtenstein. Only return the topic.
Job opportunities in various regions of eastern Switzerland