traineeship for trainee civil servants of an administration in a Member State as part of their compulsory professional training.traineeship for students of national administration schools of Member States.unfunded compulsory traineeship for students already residing and studying in the host country.funded traineeship for young graduates with less than one year of professional experience.traineeships are offered under four different pillars:.Traineeship opportunities in EU Delegations around the world are offered to students, young graduates and trainee civil servants. It helps the EU's foreign affairs chief, the High Representative for Foreign Affairs and Security Policy, to carry out the Union's Common Foreign and Security Policy. The European External Action Service ( EEAS) is the European Union's diplomatic service.