All researchers recruited in an ITN must be Early-Stage Researchers (ESRs). Researchers can be of any nationality. Applicants have to ensure compliance with the Marie-Curie mobility requirement: At the time of recruitment, the applicant must have resided or carried out their main activity outside of the country of the institution for more than 24 months in the 3 years immediately prior to their recruitment.
For instance, when applying for a position at Volkswagen AG in Germany with a starting date of April 1st, 2021, the applicant must not have lived in Germany for more than one year since April 1st, 2018. Short stays, such as holidays, are not taken into account.