Fuel Cell Stack Architect

Fuel Cell Stack Architect H3 Dynamics Toulouse, France As part of its ambition to decarbonise air mobility, H3 Dynamics is looking for a Fuel Cell Stack Architect to support the development of the next generation H3 Dynamics fuel cell stack adapted to aerospace requirements. About the Role Support the development of next-generation aerospace PEM open and closed cathode fuel cell stacks. Cascade fuel cell system requirements to fuel cell stack requirements. Define the architecture of the new fuel cell stack including electrochemical and material choices, considering thermal and mechanical aspects. Participate in the selection of stack component suppliers: membrane, GDL, bipolar plates and gaskets. Participate in fuel cell stack test campaigns by contributing to protocol development, test execution, and data analysis to support design validation and iteration. Collaborate with the manufacturing team to ensure correct assembly protocols are followed and with the simulation team to ensure the adequate models and hypotheses are taken. Support the company in the development of the technical strategy roadmap regarding fuel cell stacks. Support HR on recruitment activities in the fuel cell stack team. Support IP development and technical documentation. Your Profile MSc or PhD in Mechanical Engineering, Electrochemistry, Chemical Engineering, Energy Systems, or related fields. 5 year experience in designing and developing fuel cell stacks for mobility applications. Proven track record in testing and delivering functional fuel cell stacks prototypes. Familiarity with CAD, CFD, FEA and multiphysics electrochemical softwares. Prior experience in aerospace applications is a strong plus, especially in the context of lightweight design, high-reliability systems, and compliance with aviation standards. Experience with systems engineering methodologies (e.g., requirement flow-down, interface definition, functional architecture) is a significant asset. Ability to thrive in a fast paced environment bringing innovative solutions. Strong team spirit with great communication skills across technical and non technical audiences. High level of written and spoken English mandatory. French and other languages would be a bonus. Apply Now