Mechanical & Thermal Engineer

SpaceLocker makes satellite missions more efficient and sustainable through in-orbit payload hosting: any organization can send sensors or experiments into space without worrying about the technical side, while gaining performance and reducing emissions and debris. Our technology stack, combining proprietary hardware with cloud-inspired software, creates a true "space USB" with revolutionary plug-and-play.

Far from dog-picture blockchains or lunar hotels, we are building a solid company, a foundation for the next era of space exploration, driven by technical expertise, rapid prototyping, and a direct link to the market.

SpaceLocker is committed to diversity and inclusion — age, gender, origin, disability (with a slight irony, our founding team being the most "average white guys" imaginable 😀). Progress and inclusion require real effort and compromise, not just words.

You must hold citizenship from a country of the European Union, or listed under EU General Export Clause 1, to the exception of the USA, to apply to this position.

We are looking for a Mechanical and Thermal Engineer to design and develop the parts that make our space hardware real. You will take components from early concepts through detailed design and prototyping, while contributing to the simulations and tests that help us build reliable hardware for flight.

Your missions

Your missions

You will work closely with SpaceLocker’s engineering and AIT teams to:

• Design mechanical parts and assemblies for payload hosting hardware, from initial concepts to manufacturing-ready definition

• Create and maintain 3D models, drawings, bills of materials and related design documentation

• Make design choices that balance function, mass, manufacturability, assembly and cost

• Consider mechanical and thermal constraints, including launch loads, operating temperatures, heat transfer and interfaces with other subsystems

• Support mechanical and thermal analyses to assess design choices and identify areas that need iteration

• Contribute to prototype assembly, hardware integration and the investigation of mechanical or thermal issues

• Help prepare and participate in relevant test campaigns, such as thermal-vacuum or vibration testing, and analyze the results

• Work with suppliers and manufacturing partners to resolve design and production questions

• Contribute to design reviews and the continuous improvement of SpaceLocker’s products and engineering practices

This list is neither exhaustive nor exclusive. If you think you’re a good fit, even without matching every requirement, we’d love to hear from you.

Hard skills

• Engineering degree in mechanical engineering, aerospace engineering or a related field.

• Previous experience designing structural elements for satellites is required, including proficiency with 3D CAD and technical drawings.

• Familiarity with mechanical or thermal simulation and testing; spacecraft AIT experience is a plus. Fluent in English.

• Fluent in English

Soft skills

• Enjoys turning engineering requirements into practical, well-designed parts

• Hands-on and comfortable working between CAD, hardware and test activities

• Rigorous and attentive to detail, while keeping a sense of proportion

• Curious, autonomous and comfortable working across disciplines

• Communicates clearly and likes solving problems as a team