Spacecraft Embedded Systems Engineer (Tumbleweed Microgravity, paid position)

About Us:
Tumbleweed Microgravity is on a mission to make sending anything to space and getting it back as easy as mailing a package, and ultimately making deep space accessible to everyone. Were building the worlds friendliest and easiest Microgravity research and manufacturing platform to bring Earth industries to space, and ultimately to Mars.

Were a small team building a space mission in record time, radically focused on executing as fast as we can, always pushing the envelope, and staying kind along the way. Were motivated by making a big impact on using space for good, and doing things that have never been done before.

To make a successful team, we strongly believe in working with the best and providing them with a trusting and enthusiastic environment, with everyone enabled and expected to take ownership and responsibility.

About the Job:
As a Spacecraft Embedded Systems Engineer, you will be working on the software and electronics system of our spacecraft and payload systems. Youll be designing payload controllers and integrating the off-the-shelf spacecraft systems with our in-house designed payloads from both an electronics and software perspective. Youll be involved throughout the entire development cycle, from initial design, through implementation, manufacturing, integration and testing all the way to launching a spacecraft in February 2026.

These are our Non-Negotiables:

• Being ambitious, kind and ready to learn.

• Experience in developing embedded systems, preferably for spacecraft.

• Experience with electronics design.

• Working proactively and reliably in a dynamic environment.

• Readiness to take ownership, and an entrepreneurial spirit.

These are important, but not 100% necessary:

• Experience in developing embedded systems with FreeRTOS

• Experience in all aspects of a spacecraft life cycle, especially testing.

• Portfolio in DIY projects related to embedded systems or robotics.

Responsibilities:

• Developing electronics and software architecture for the on-board computer and payload controller.

• Develop and test on-board software for the on-board computer and payloads controller.

• Design, assemble and test the payload controller, including PCB design, overseeing procurement/manufacturing and testing.

Job Details:

Time commitment: Full-time (40h/week), flexible working hours

Location: Delft, The Netherlands - Flexible Work From Home

Pay: EUR 3000, negotiable