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The Exploration Company is building Nyx, a modular and reusable space orbital vehicle designed for cargo transport and eventual human missions, with in-orbit refueling capability. As a Thermal Analysis Engineer, you will lead the thermal modeling and simulation efforts supporting the vehicle's design definition and validation.
You will own the development of thermal and fluids models at appropriate complexity levels for each study phase, determine thermal load cases across the entire system lifecycle, and provide technical solutions for optimizing spacecraft thermal management and architecture. Working closely with mechanical, CAD, avionics, and mechanism engineers, you will collaborate on design optimization and participate in co-engineering sessions with internal teams and external suppliers to ensure technical consistency.
Key responsibilities include: generating thermal models and simulations; determining thermal load cases; optimizing design and thermal management in collaboration with other subsystems; supporting test campaign preparation including test plan definition and simulation correlation; contributing to thermal analysis tool development; validating and verifying requirements; communicating technical findings and recommendations; and preparing technical documentation for design reviews.
You will be part of the Nyx Thermal and ECLSS Team, reporting to the Space Vehicle Thermal Team Leader. This is a hands-on technical role with evolving responsibilities as the vehicle development progresses.
REQUIREMENTS:
- Advanced degree (Master of Science or PhD) in aerospace engineering, heat transfer and fluid mechanics, or related field
- Minimum 4 years of experience in thermal analysis
- Strong knowledge of thermal management for active and passive thermal control systems
- Deep expertise in thermal and fluid analysis
- Experience with multiple thermal software packages (Thermal Desktop, ESATAN, Systema)
- Programming experience (Python, MATLAB, or similar)
- CFD analysis experience is a plus
- Fluent in English; German, French, or Italian are assets
- Strong oral and written communication skills
- Strong analysis and problem-solving capabilities
- Excellent task organization and prioritization
- Positive and flexible attitude; alignment with company values (Vision, Competence, Integrity, Passion)
