Yes, international MBA students at RWTH Aachen can work part-time under German student visa regulations. Students are allowed to work up to 120 full days or 240 half days per year, which often equals around 20 hours per week during the semester. Part-time roles typically pay approximately €12–€16 per hour. Many students work as research assistants (HiWi), in university projects, or with local companies to gain industry exposure and manage living expenses.