These positions are managed by the InSHS and are not the subject of a specific announcement, but are filled every year according to the procedures provided by the InSHS for the various categories of positions (see the InSHS page for more information).
Assignment of CNRS statutory researchers to IRASEC
The mobility file to be submitted to the InSHS management in February-March for an assignment in September.
The mobility file must include :
a research project an updated CV a letter (...)

Approach in your University
Delegations abroad follow the normal procedure of the reception campaign as a teacher-researcher delegation, generally launched in October November. The schedule of delegation requests is specific to each university and necessarily involves successive votes by the UFR Council and UFR Scientific Council and then by the university authorities (CA and Scientific Council). The teacher-researcher must obtain a favourable opinion from his university for his departure (...)

Within the framework of the SMI, Support for International Mobility, and in support of the development of scientific projects with an international dimension, InSHS offers researchers, including teacher-researchers and research engineers, units that it co-manages, assistance for carrying out research activities abroad.
This assistance covers all disciplines and all types of research missions (field work, consultation of sources, project development, collaborative writing of books or (...)

The InSHS opens a call for applications for the award of 4 doctoral contracts of 36 months in autumn for a submission of the application is usually mid-December. The purpose of the call is to examine applications submitted by a supervisor or co-supervisors qualified to supervise a thesis in a doctoral school, who propose a doctoral subject.
These dossiers must always be designed on the principle of a scientific set-up developed jointly between a research unit in France whose CNRS is (...)