Senior Mechanical Engineer (f/m/d)

eleQtron develops and operates full-stack quantum computers based on trapped-ion technology. Quantum computing is a new computing paradigm rapidly approaching commercial viability. Our unique approach combines laser-cooled trapped ions with microwave control and tailored magnetic fields. Our next-generation computing machines under development will be able to find solutions to problems that are out of reach today, thus enabling new innovative products and services for a brighter future. About the Role: We are looking for a highly experienced and technically strong Senior Mechanical Engineer (f/m/d) who can take ownership of complex mechanical designs from concept through detailed engineering, manufacturing, assembly, and validation. This is a hands-on engineering role for someone with strong mechanical engineering fundamentals, extensive practical design experience, and advanced SolidWorks capabilities. Responsibilities: Take technical ownership of complex mechanical components, assemblies, and subsystems from concept through manufacturing, assembly, and validation Develop robust mechanical designs for high-precision scientific and industrial equipment Create and maintain high-quality SolidWorks parts, assemblies, manufacturing drawings, BOMs, and technical documentation Perform tolerance analysis and define appropriate fits, interfaces, geometric tolerances, and dimensional requirements Translate system-level requirements into clear mechanical requirements, interfaces, and manufacturable design solutions Define manufacturing requirements and work closely with suppliers and Procurement on manufacturability, materials, tolerances, and quality Develop, test, and improve prototypes and actively contribute to design reviews and technical decision-making