Presently, Roger Schlim occupies the position of Managing Director at Peiner Träger GmbH.

He is also Head-Plate & Sections Steel Business Unit at Salzgitter AG.

In his past career he occupied the position of Chairman-Management Board at Salzgitter Mannesmann Grobblech GmbH, Chairman-Management Board at Ilsenburger Grobblech GmbH and Managing Director at HSP Hoesch Spundwand und Profil GmbH.