Your mission You will work hands-on in our pilot line and assist with the primary and secondary shredding of battery modules and shredder scrap. You will carry out systematic sampling of raw materials and sample handling, including sorting and preparation for analysis. Your tasks will also include the careful evaluation and documentation of the shredding processes as well as the evaluation and discussion of the results. You will carry out literature research for the optimization of comminution and sorting processes. You will support communication with machine vendors to select the right equipment and technologies for shredding and sorting. You will work closely with the entire team and assist with process optimization in mechanical processing. You will actively contribute suggestions to improve order and safety in the production environment. Your profile You are enrolled in a degree program in the field of resource engineering or a related field of study. Ideally, you have already gained initial practical experience through internships in the field of resource technology or in related disciplines. You have practical experience in the areas of sampling, sample handling and analysis. You enjoy practical tasks, have manual dexterity and work precisely and carefully. A high level of accuracy and pronounced quality awareness are among your strengths. You are flexible, a team player and have a proactive, solution-oriented approach to work. You work in a structured, goal-oriented and independent manner. You are available for at least 12 hours per week. Very good written and spoken German and English skills complete your profile. Why us? Working in a young and interdisciplinary scale-up team A lot of responsibility and creative freedom from the outset Active contribution to climate protection and the circular economy Team spirit and a family atmosphere About us cylib is a research-based German startup for holistic battery recycling - starting from discharging to recovery of all components of the lithium battery - that was founded in Aachen in 2022 by three visionary founders, including a female CEO. Our process The cylib process offers a complete end-to-end process from battery pack to green battery material by employing a combination of mechanical and thermal pre-treatments and an innovative water-based lithium and graphite recovery. Unlike incumbents, cylib can therefore recover battery materials such as lithium, graphite or manganese. The process was developed over several years of research at the renown RWTH Aachen University and offers an efficient, resource- and climate friendly recovery of all battery materials from end-of-life batteries. cylib's technology enables the recovery of all battery components regardless of whether it is an end-of-life battery or not. Recovery of green secondary raw materials from the cylib process enables the realization of the true Circular Economy on the European market. Interested? Please upload your documents and answer the questions in the application form (annual gross salary expectations, a cover letter is not necessay). We look forward to receiving your application