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Powertrain Mechanical Designer

📍 France

Génie et Technique Beyond Aero

Description du Poste

Aviation will be electric

We believe that aviation will only be electric in the next decades, and we are fully committed to making this a reality, by building the first electric business aircraft using hydrogen propulsion to fly up to 800 NM, five times further than a battery-powered aircraft.

We deeply value caring for our team of Beyonders fostering a culture of trust and collaboration. We constantly aim to explore new horizons and continuously raise our standards, while maintaining a pragmatic mindset. Above all, we are all driven by one mission :

Make possible, certifiable and profitable the first private aircraft designed for hydrogen-electric propulsion.

About The Role We are seeking a powertrain mechanical designer with proven experience in the design and integration of turbomachinery in aircraft engines and/or aerostructures. The ideal candidate will possess an excellent understanding of the physical constraints related to the integration of engine components (volume, weight, vibration, loads…), as well as good awareness of certification requirements. As a Powertrain Mechanical Design Engineer, you will work closely with the Lead Propulsion Engineer.

Valuable member of the team your role will be :

Deliver the CAD design of the engine, including sub-systems and components

Evaluate different physical integration of the engine components (fan, gearbox, cooling pumps, e-motor…), considering inputs from different teams

Track engine component weights and update the e-BOM

Estimate component dimensions and masses using the most appropriate method at each stage of the development (hand calculations, semi-empirical methods, supplier data, detailed simulation, etc)

Prepare technical requirements for suppliers and participate in meetings with suppliers

Integrate individual engine components into the larger engine assembly, taking into account all the relevant physical constraints (vibration, thermal, electrical, clearances, etc)

Work in close coordination with Propulsion structural engineers to optimize the design of the structural elements within the engine

Participate in design reviews and safety reviews

Compile and deliver all the documentation associated with the mechanical design (drawings, checklists…)

The mission will be successful if Beyond has a robust, certifiable, and efficient hydrogen-electric propulsion system ready for the entry into service of the aircraft.

About You

You have a degree in Aerospace Engineering, Mechanical Engineering or a related field with focus on Propulsion Systems

You are proficient in CAD modelling and product integration

You have at least 5 years of experience on mechanical design and physical integration of aerospace propulsion systems or similar high-performance rotating machinery.

You have a proven experience on at least one aircraft engine Program (e.g. turbofan, turboprop, electric, hybrid)

You have knowledge of Hydrogen-Electric or Hybrid-Electric powertrain components (fan, gearbox, cooling pumps, e-motor, etc) and of certification requirements applicable to aircraft engines (e.g. CS-E, SC E-19)

You have a holistic approach to mechanical design, with a good understanding of how design choices affect the overall weight and dimensions of the Propulsion system

You are autonomous, curious, and a good team player

You are able to challenge existing process and your management in a spirit of continuous improvement

You have an experience in a multi-cultural environment and understand international diversity

Thrive at Beyond Aero Joining us will allow you to :

Work in an international and friendly work environment (10 nationalities)

Learn from Experts in the Aerospace field

Work in a flexible work organization and access to partial remote work

If you thrive in a fast-paced, pioneering & flexible environmment where care and hunger for growth are celebrated, join us !

Beyond Aero is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, sex, gender, sexual orientation, age, colour, religion, national origin, protected veteran status or on the basis of disability.

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Détails du Poste

Date de Publication: February 24, 2026
Type de Poste: Génie et Technique
Lieu: France
Company: Beyond Aero

Ready to Apply?

Don't miss this opportunity! Apply now and join our team.