Scientist Engineer

CosineAgglomeratie Leiden en BollenstreekEURESavaldatud 12.08.2026

X-Ray Optics

Sassenheim, The Netherlands Full-time Fixed-term Apply for this job

Your (space) mission

As the Scientist Engineer - X-Ray Optics at cosine you will push the boundaries of X-ray and high-energy optics for some of the most challenging applications in space exploration, astrophysics and advanced measurement systems. You combine scientific curiosity with hands-on engineering, translating complex physics into innovative optical solutions that perform in real-world environments.

Working in multidisciplinary R&D teams, you will design, analyse, build and validate next-generation optical systems, collaborating closely with scientists, engineers and customers. Your work will contribute directly to cutting-edge technologies that help unlock new insights into our universe and enable ground-breaking scientific missions.

Tasks & responsibilities

In this role you will:

  • Design and develop innovative X-ray and high-energy optical systems for space, astrophysical and measurement applications
  • Perform analytical and numerical modelling, execute experiments, analyse measurement results and translate findings into tangible project outcomes
  • Build and operate experimental setups, document research activities and contribute to technical reports, publications and customer deliverables
  • Collaborate with project teams, customers and external experts, presenting results and identifying new technical opportunities
  • Take ownership of project activities, monitoring progress, managing deliverables and, depending on experience, contributing as a consultant and/or project manager

Your profile

We are looking for candidates with the following qualifications:

  • MSc or PhD in Physics, Applied Physics, Optics or a related scientific discipline
  • At least 4 years of experience in X-ray optics, high-energy optics or a closely related field
  • Strong analytical and numerical modelling skills, combined with hands-on...