Fluids System Engineer First Stage
About the role
MaiaSpace is a European space tech company, designing, manufacturing and operating competitive and sustainable solutions for space mobility. We are driven by the belief that access to space is a major enabler for a better and more sustainable life on Earth, addressing the challenges faced by humanity: climate, resources, connectivity, and data. Our aim is to successfully design and test a cost-effective and reusable mini-launch vehicle by 2026.
Fluids System Engineer
Within MaiaSpace Technical Team, you’ll be in charge of the First Stage Fluid Systems design :
- End-to-end definition of cryogenic and non-cryogenic fluid systems for ground, propulsive and orbital phases: architecture, products, operational concepts ;
- Fluidic and thermos-fluidic simulations (tanks and lines
- Support to technologies selection for the related hardware systems: tanks, thermal protections, fluid control equipment, sensors…
- System and functional engineering supporting design justification: pressurization and fluid budget, sloshing management, engine fluidic interface compliance, transversal interactions…
Your duties will include
- Design Functional concept studies, including trade-offs ;
- Detailed functional layout (PID) and justification ;
- Development of design tools for functional design and 1D / 3D simulation models for development, qualification and validation ;
- Test prediction and exploitation.
- Supplier management Sourcing
- Scope of work definition
- Contract management
- Support to Company technical strategy Support to the technology roadmap :
- Support to industrialization and operation ;
🛸 Specific competences & abilities
Sound knowledge in Fluids system architecture, design and development
Sound knowledge of cryogenic fluids behavior, hydraulic, heat transfer and phase change/two-phase flown processes, as well as related products/equipment
Sound knowledge of 1D correlation methods and computational fluid dynamics tools used for the analyses of steady and transient analysis
Sound knowledge in thermall behavior (tanks and lines) in cryogenic environment
Experience with test data analysis and database tools
Customers oriented
Autonomous, proactive attitude towards resolution of problem
Team player with the ability to collaborate with people from different disciplines
Curious and pragmatic
Knowledge or practice of Agile methodology
🎓 Qualification
Master degree or equivalent in aerospace engineering
5 years experience of professional experience in the field of liquid propulsion and fluidic systems
🎬 Working at MaiaSpace
You will be joining a friendly multi-disciplinary team, comprised of multi-skilled people, following Agile and Scrum methodologies. This means that your role and responsibility may evolve over time with varied assignments and challenges depending on priorities and competences. Your work will be hands-on and in close contact with the final product. We are open-minded, transparent, pragmatic, result oriented and people centric. Teamwork is at the heart of how we work together and our co-workers share the same fundamental values: respect, humility, reactivity and autonomy with a passion for technical excellence. Our newly acquired office space at La Defense is located within the heart of Europe’s largest purpose built business and commercial district with easy access to public transport.
Written and spoken communication is in French and English.
Copied from the listing MaiaSpace published, verified 31 Oct 2026.
About MaiaSpace
ArianeGroup's start-up for Maia, a partly reusable small launcher on methane engines.
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