Universitat de les Illes Balears seeks a First Stage Researcher to provide technical support for a state-of-the-art non-linear photonics lab. The role includes maintaining optical components, aligning free-space optical paths and fibre-based setups, and supporting data acquisition and instrumentation. Master’s degree in Photonics/Optics/Physics is required or closely related; basic programming (Python/MATLAB) and CAD/3D printing skills are desirable.