Workload: 15-20 h/week Are you passionate about data and the energy sector? As a Working Student in Portfolio Management, you'll support our team in leveraging data-driven insights and innovative solutions to shape the future of energy trading. Join us to gain hands-on experience in a dynamic and collaborative environment. What you will do: Support portfolio management tasks, focusing on machine learning applications and AI-powered solutions. Develop and maintain IT interfaces to ensure seamless data integration. Process and manage data, ensuring the accuracy and integrity of energy profiles and price time series. Apply data imputation techniques to address missing or incomplete datasets. Monitor system performance, troubleshoot issues, and manage third-party access for security and compliance. Assist with customer interactions to deliver high-quality service and support. Conduct market analysis and document insights for reporting purposes. What you bring & who you are: Currently enrolled in a program in mathematics, science, or IT, with a strong interest in data and analysis. A collaborative team player with a willingness to learn and grow. Analytical mindset with a strong affinity for numbers and high attention to detail. Interest in the energy market and data-driven dynamics. Fluent in German and English. About the team: You'll be part of a team dedicated to driving innovation in the energy sector. We value accuracy, collaboration, and continuous improvement, offering a hands-on learning environment where you can develop your skills and make a meaningful impact. Ready to shape the future of energy with us? We look forward to your application! At Axpo Group, we are dedicated to fostering a culture of non-discrimination, tolerance, and inclusion. As an equal opportunity employer, we welcome applications regardless of race and ethnicity, gender identity and expression, sexual orientation, age, disability, as well as socioeconomic, cultural, and religious background. We are committed to ensuring a respectful and inclusive recruiting process and workplace for everyone.