The Cologne Institute for Information Systems (CIIS) at the University of Cologne is offering a PhD position focused on machine learning and data science applications for the sustainability transition of mobility and energy systems. The position is supervised by Professor Wolf Ketter and will start in February. The research group works on real-world problems related to sustainable mobility and energy, leveraging advanced computational and analytical methods. The contract is 75% TV-L E13, which is a standard German PhD salary. Applicants should be recent or soon-to-be graduates with a strong interest or background in machine learning or data science, and a passion for sustainability challenges. No specific requirements regarding GPA, language, or degree are mentioned, but a relevant academic background is expected. The application process is managed through the university's job portal, and direct applications are not possible yet; candidates should follow the instructions in the official advertisement. The deadline for applications is January 31, 2025. For more information, candidates can consult the provided links or contact the poster for informal queries.