Working Student Business Controlling – Solar & Batteries (f/m/d)

Vattenfall is one of Europe’s largest producers and retailers of electricity and heat. With around 20,000 employees, we are committed to enabling fossil-free living within one generation. Our work connects technology, nature and people — and every role contributes to powering a more sustainable future. 

Within our  Business Area Wind , we bring together expertise across wind, solar and battery storage to accelerate the energy transition. By combining these technologies, we ensure a reliable and sustainable energy system for the future. Together, we develop and operate renewable energy solutions that make a real difference.  Do you want to actively shape the energy transition while gaining hands-on experience in financial controlling?  

As a Working Student in our Business Control team for Solar & Batteries, you will get a real insight into how financial processes support renewable energy projects — and how your work contributes to a more sustainable future. At Vattenfall, we believe:  there is a way .  Your role  In this position, you support the controlling team in managing financial processes for renewable energy projects. You contribute to daily operations while gaining valuable insights into how financial decisions shape the energy transition.  Your main tasks  Support procurement processes, especially invoice workflows 

Assist with billing and payment processes, including manual transactions 

Contribute to monthly closing activities and financial reporting 

Help keep daily controlling operations running smoothly 

Work closely with the Controlling Management Team and support ongoing projects 

Your profile  You are currently studying in a relevant field and want to gain practical experience in finance within a purpose-driven industry. You enjoy working together with others and bring a careful and structured way of working.  Enrolled in Business Administration, Economics, or a related field 

Master’s student (at the beginning of the program)

Living in Hamburg or Berlin

Spolid Excel skills; first experience with SAP is a plus 

Communicate well in English (written and spoken at least C1) and German language skills (A2–B1) is a plus

Open-minded, collaborative, and eager to learn in an international environment 

What we offer  The opportunity to actively contribute to the energy transition early in your career 

Hands-on experience in business controlling within the renewable energy sector 

Insight into financial processes at a leading European energy company 

A supportive, international environment where people learn from each other 

Flexible working hours that fit your studies 

The chance to grow, develop your skills, and take on meaningful responsibilities 

Application process  We welcome your application in English no later than  01.10.2026 . 

Please apply via our website, as we cannot guarantee the processing of applications submitted via other channels.  For more information about the role, please contact:  Sabrina Parsons   sabrina.parsons@vattenfall.de   At Vattenfall, we believe that diversity strengthens our company. We are committed to creating an inclusive workplace where everyone has equal opportunities, regardless of background, identity or experience.  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. The screening will be performed by a third party, DISA. 

We look forward to receiving your application!