The "ingénieurs d'études" are recruited by external and internal concours (competitions), by list of aptitude or detachment. The concours are organized by branch of professional activity (BAP) and standard jobs. They consist of a selection based on the applications and a job interview in front of a scientific committee
The diplomas required for applying go from a Bachelor degree level to a Master level. French and foreign candidates holding a French diploma of the same level issued by a public or private educational institution or a foreign diploma (including those from the European Community or from another State part to the agreement on the European Economic Area) may apply for equivalence.
No nationality requirement is required for access to the body of Ingénieurs d'études.