Working Student in Renewables Customer & Contract Management (f/m/d)

Within Business Area Markets, the Customers Business Unit is responsible for the Commodity and Renewables Origination business. Through our digital market access platforms, we enable our customers to trade in relevant energy markets. In addition, we optimize and integrate renewable energy assets into the market. These activities form the foundation for effectively managing risks for our customers while optimizing procurement and generation portfolios. We are a market-leading player in the growing fields of Green PPAs (Power Purchase Agreements) and Corporate PPAs . For Vattenfall Energy Trading GmbH , we are looking to hire a Working Student in Renewables Customer & Contract Management (f/m/d) for our office in Hamburg , as soon as possible. We firmly believe that diversity makes our company stronger and more attractive. We welcome applications from people of all ages, gender identities, sexual orientations, and ethnic and cultural backgrounds. Applicants with disabilities will be given special consideration if equally qualified. Your Tasks Maintain, optimize and further develop Power BI reports and dashboards for the energy markets in Germany, the Netherlands and the UK Monitor and improve Microsoft Fabric dataflows and pipelines to ensure reliable reporting processes Work with complex data models and integrate time series and master data Investigate data quality issues, identify root causes and support the implementation of sustainable solutions Contribute to modern data engineering topics such as SQL, Python and PySpark What You Bring Interest in data analytics, business intelligence and complex business processes Strong analytical thinking and an interest in solving challenging data problems First experience with data analysis, reporting or visualization tools such as Power BI SQL knowledge is a plus, but not required Curiosity, proactivity and a willingness to learn new topics Fluent English Fixed-term contract (starting as soon as possible) 20 hours per week during the semester Up to 40 hours per week during semester breaks Minimum contract duration: one year Flexible working arrangements with a mix of home office and office presence in Hamburg We welcome your application in English, no later than 06.10.2026. We kindly request that you do not send applications by any means other than via our website as we cannot guarantee that we will be able to process applications that are not made via our website. The following documents are needed: CV, enrolment certificate, and current overview of grades . For more detailed information regarding the recruitment process, please contact our recruiter Sabrina Parsons : At Vattenfall we are convinced that diversity contributes to building a more profitable and attractive company and we strive to be a good role model regarding diversity. Vattenfall works actively for all employees to have the same opportunities and rights regardless of gender, ethnicity, age, transgender identity or expression, religion or other belief, disability or sexual orientation. Click here for further information. The security of Vattenfall and its employees is essential. For that reason, a pre-employment screening will be part of your recruitment process. The screening is based on the role you will fulfill within Vattenfall and will be performed by a third party, DISA. We look forward to receiving your application! Vattenfall is a European energy company with approximately 21.000 employees. For more than 100 years we have electrified industries, supplied energy to people’s homes and modernized our way of living through innovation and cooperation. We are looking for talented individuals who, in addition to their passion for their own role, also have strong team spirit and want to contribute to supporting a meaningful corporate mission.