After graduating, you can look for a job. However, many students continue on to a master's program to prepare them for a varied career that can take all manner of directions in industry and government, or design and patents. You could start off as a researcher, research leader, process/product engineer, environmental consultant, policy assistant or maybe even a teacher or lecturer. Many managers in the chemical industry also have a chemical engineering background.
Tracks of the Master Chemical Engineering
After the Chemical Engineering and Chemistry Bachelor's program you can continue to Master's program at TU/e or another university.