Ralf Rangnick and
Rangnick has been linked with several coaching vacancies across
He has now been named as Salzburg's sporting director, while former Liverpool and Aston Villa boss Houllier will serve as the club's global sports director.
Schmidt arrives from Germany 2 Bundesliga side Paderborn, having guided it to a surprise fifth place last year.
UEFA president Michel Platini has warned of mafia involvement in match-fixing - but his call for a Europe-wide sports police force has fallen on deaf ears.