Working Student (m/f/d) HR Operational Excellence Hamburg Vollzeit Olympus Europa SE & Co. KG (OEKG) PhD student (f_m_x) Rock physics - GEOZEIT/HyPrepare project [english] Potsdam Vollzeit Deutsches GeoForschungsZentrum - GFZ Intern/ Working Student (f/m/d) - Project Management Walldorf Praktikum/Werkstudent SAP