Working Student – Sales

• Support the Sales team with day-to-day operational activities
• Prepare revenue projections and financial viability analyses for battery storage projects
• Present results for customers and partners
• Compile and maintain customer and project data
• Support the preparation of proposals, presentations, and other sales materials
• Process new customer and partner inquiries and prepare relevant information
• Maintain and update customer, partner, and project data in the CRM system
• Support sales processes and follow-ups
• Track outstanding tasks and next steps
• Work closely with Sales Managers, Account Managers, and colleagues in Energy Markets and Operations

• Currently pursuing a degree in Business, Business Administration, Energy Economics, Industrial Engineering, Finance, or a comparable field
• Interest in the energy industry, battery storage, and energy trading
• Enjoy working with numbers and data, with the ability to quickly understand business relationships
• Structured, careful, and reliable approach to work across multiple projects in parallel
• Very good written and spoken German skills, at least C1 level, required
• Good command of English
• Proficiency in Microsoft Office, particularly Excel and PowerPoint
• Initial experience with CRM systems, data analysis, the energy industry, or sales is an advantage but not required
• Willingness to take on responsibility and quickly familiarize yourself with new topics
• Interest in the fast-paced environment of a young startup and in being part of an established corporate group

• Remote, on-site, or hybrid work options
• Office in Berlin available for use
• Monthly team onsites
• Opportunity to shape the product, processes, and scaling of a growing startup
• Fast decision-making and the opportunity to contribute and implement ideas
• Stability and experience of the TESVOLT AG parent company
• Dynamic, young startup environment