Thorlabs is seeking a Design Engineer to join their team in Dortmund, Germany. This role involves collaborating with development and production teams to create mechatronic components, assemblies, and devices in photonics. Key responsibilities include executing assembly testing, providing preproduction troubleshooting support, designing optomechanical components, and preparing manufacturing and customer drawings. The ideal candidate should be skilled in 3D-CAD software (preferably SolidWorks), have experience in project management, and possess strong organizational and communication skills. This position offers a variety of challenging tasks, insight into all company departments, mentoring, opportunities for international experience, and the freedom to implement your own ideas. Benefits include flexible working hours, free beverages, annual employee events, company pension plans, and leasing options for e-bikes, e-scooters, and job bikes.