In 1925 he tried to join the Reichswehr but failed and returned to the rifle factory in Munich, but he couldn’t settle down and after taking up similar positions in other factories in Berlin, Bremen and Cologne he became unemployed. Throughout the period 1926 to 1929, Aumeier moved from one job to another, and was in and out of employment, taking part-time work and summer jobs in order to survive. He was an early member of the Nazi Party, joining in December 1929, and in 1931 he joined the SA and was soon employed as a driver at the SA headquarters in Berlin.