There are several different Salary Orders (Besoldungsordnungen): A (for most Beamte and soldiers), B (for ministerial officials), C (for university professors and lecturers; now replaced by W for newly employed lecturers), R (for public prosecuters and all judges) and W for university lecturers and professors.
Beamte of the Middle Service are required to have passed their Realschulabschluss, preferably some further experience.