Since 2019, Ms Rennebeck has worked as a special secretary in the Department of Social Policy/Occupational Safety and Health of the IGBCE (Mining, Chemical and Energy Industrial Union). Her responsibilities include pensions, rehabilitation, occupational health management and dealing with the representatives of employees with severe disabilities.
Since November 2022, Ms Rennebeck has been a regular member of the Board of Directors of the German Pension Insurance for Miners, Railway Workers and Seamen and alternating chair of the Federal Committee for Rehabilitation of the German Pension Fund (Deutsche Rentenversicherung Bund).
Aline Rennebeck has been a member of the Social Advisory Council since 2023.