Create and/or modify design and manufacturing plans, Ensure the calculations (structures, etc.) necessary for the optimization of the solutions chosen, Participate in the continuous improvement of methods and tools; Be responsible for the maintenance of technical definition files for products and nomenclatures (3D models, 2D plans, technical specifications), Define and monitor component quality control specifications, qualification and verification plans in collaboration with Engineers, Define and guarantee the functional conditions of the product by analyzing the coast chains and sizing of the components, Program IT tools for the transport office. In accordance with the commitments made by the CEA in favor of the integration of people in situations of disability, this job is open to everyone. Participating in national protection, an administrative investigation is carried out for all CEA employees in order to ensure the integrity and security of the nation.