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 and debugging support, designing optomechanical components, and preparing manufacturing, assembly, and customer drawings. The ideal candidate will have strong skills in 3D-CAD software (preferably SolidWorks), experience in project management, and excellent communication abilities. This position offers a variety of challenging tasks, insights into all company departments, mentoring, opportunities for international experience, and the freedom to implement your own ideas. Thorlabs provides a supportive work environment with flexible working hours, continuous education through internal and external training, and various employee benefits.