Intro For our location in Freiburg in Breisgau, we are looking for a Senior Mechanical Design Engineer (f/m/d) At NexWafe, we are developing a pioneering process to produce silicon wafers for PV appliances with fewer process steps, resulting in significant savings in production costs, energy consumption and CO₂ emissions. As a Senior Mechanical Design Engineer (f/m/d) you have the unique opportunity to actively contribute to the commercialisation of this breakthrough technology. Join our global team, shape the future of renewable energy and discover your career opportunities at NexWafe. Tasks Leading innovative 3D/2D design concepts and creating precise manufacturing drawings. Collaborating closely with suppliers and stakeholders to translate requirements into actionable designs. Managing the testing, commissioning, and assembly of equipment, ensuring operational excellence. Driving continuous improvement by optimizing existing plants and evaluating new equipment. Applying material science knowledge for high-temperature caustic applications to select proper design materials and provide useful input in design reviews and team collaboration. Proactively managing supplier relationships and overseeing technical specifications for procurement. Utilizing advanced CAD skills and supporting the development of digital manufacturing documents. Requirements Master's degree in Mechanical Engineering or a related field. Expertise in Material Science, particularly in furnace and CVD applications. Graphite vacuum furnace experience highly desirable Over 5 years of experience as a Mechanical Engineer. Excellent communication skills with proficiency in English. Strong knowledge of the MS Office suite Benefits A diverse team: Short decision-making processes, flat hierarchies and collaboration with experts from different areas await you. A diverse and exciting job: A company that contributes to the commercialisation of environmentally friendly solar energy with a low carbon footprint. Stability with a certain degree of flexibility: A permanent position with flexible working hours Attractive remuneration programme: An attractive salary, a company pension scheme and profit-sharing for employees. Healthy balance: Take your physical and mental health to the next level with an annual health budget and a HanseFit membership Expand your language skills: Optimise your career prospects with the English and German courses offered. Closing We are a culturally colourful team with individual and ambitious minds who are passionate about innovation, technology and our planet. And what inspires you?