CERN offers a training period during the European summer (June – September) for a Bachelor or Master degree in Physics, Engineering, Computer Science or Mathematics.
More information at: https://jobs.smartrecruiters.com/CERN/743999862723722-cern-summer-student-programme-2023-member-and-non-member-state.
The application deadline is Monday 30th January 2023 12 noon CET time.