The higher-class career of the half-left attacker Gerd Schirrmacher at SpVgg Röhlinghausen 1949/50 in the 2nd Oberliga West . In his debut year in the 2nd division, the striker scored eight goals in 28 games and Röhlinghausen was 9th. After the season, the WFLV withdrew the license from Röhlinghausen for financial reasons, and Schirrmacher switched to Sportfreunde Wanne-Eickel . Here Schirrmacher could not really assert himself despite five goals in only eight games, so that he returned to Röhlinghausen after the rise of the game association in the summer of 1951. In the 1951/52 season , the athletic descent of Röhlinghausen followed as third from bottom. Together with his team mates Richard Duddek , Heinz Liebers and Herbert Sturm , Schirrmacher moved to VfL Bochum in the summer of 1952.
With Bochum, Schirrmacher was champions of the 2nd Oberliga West in the 1952/53 season and rose to the Oberliga West. Ernst Koch had scored the Bochum club on April 26, 1953 in a 7-2 win in the catch-up game at the VfB Marathon Remscheid with five goals in the top division. Schirrmacher played his first league game away on August 9, 1953 at FC Schalke 04 . Together with Werner Ocker , Ernst Koch, Helmut Kalinka and Herbert Sturm, Schirrmacher formed the attack at the Bochum Oberliga premiere. The team from Castroper Strasse had to admit defeat 1-0 by a goal from Hans Krämer in the 23rd minute. Bochum finished 8th in the table at the end of the 1953/54 season .
After the 1954/55 season , VfL had to start relegating to the second division together with Meidericher SV after only six home wins . The 1955/56 season ended Bochum first in the table before the MSV. In the deciding match on May 6, 1956 at the home stadium against the STV Horst-Emscher the opposing keeper injured Helmut Traska already in the fifth minute and midfielder Heinz Grzeszak had to replace his goalkeeper. In the 75th minute, the Bochum veteran Erwin Schneider decided the game 1-0 for Bochum with a shot from 40 meters in front of 30,000 spectators. Karl-Heinz Bunzendahl and Gerd Schirrmacher carried the winning goal scorer on their shoulders after the game. Schirrmacher played all 30 league games and with his 19 goals, as Bochum's most successful goalscorer, played a key role in the direct resurgence of VfL.
In the 1960/61 round , VfL lost their home game with 1: 4 goals against Hamborn 07 on the last day of the match and were relegated from Oberliga West together with Rot-Weiss Essen . Under coach Fritz Silken , Schirrmacherin scored four goals in 21 games, including the last Bochum top division against Hamborn. Since Bochum could not qualify for the new Regionalliga West for the 1963/64 season, Gerd Schirrmacher's high-class career ended in the summer of 1963.