Your contacts Kerstin Schneider HR Department bewerbung@hahn-bau-gruppe.de Write to us at Hahn Service GmbH Hommelstraße 2 55743 Idar-Oberstein Phone 0 67 81 - 93 29 5 - 0 Fax 0 67 81 - 93 29 5 - 99 Apply now! Our Mission We are convinced that building should be a positive experience. We? This i