Wireless sensor networks is a technology that has been used in a vast number of applications and environments with successful results in the past. Therefore increasing nowadays the number of users of this type of devices and their new applications. In this thesis we worked hand-in-hand with the ISIS B.V. Company to provide a proper WSN design to be deployed inside a spacecraft structure and satisfy a group of defined requirements. ISIS or Innovative Solutions in Space is a private company founded in January 2006 that focus on the development of nanosatellites and several space related services.