Thermal Engineer Verified today

Aerospacelab · Mechanical · first seen 2026-07-16

About Aerospacelab

Aerospacelab designs and manufactures small satellites combined with earth observation services. Founded in 2018, the company now has more than 300 full-time employees across offices in Louvain-la-Neuve (Belgium), Toulouse (France), Lausanne (Switzerland), and the US West Coast. The team brings together over 25 engineering specialisms in hardware design, software development, and data science.

Role overview

As a Thermal Engineer at Aerospacelab, you will play a critical role in designing and implementing thermal control solutions for satellites across various missions. You will ensure all components remain within their operational temperature ranges throughout their missions. Collaborating with multidisciplinary teams, you will guide the thermal design from concept through launch, focusing on thermal stability and performance.

Key activities

  • Drive the architecture, sizing, and development of thermal control systems
  • Develop thermal models and perform analyses to predict the thermal behavior of satellites and subsystems
  • Offer guidance on design choices to hardware development teams
  • Define and assist in thermal and vacuum testing for satellites and their subsystems
  • Perform thermal model validation using test and in-flight data
  • Create and update technical documentation, such as design specs and test reports
  • Communicate with external vendors and partners

Requirements

  • MSc degree in Mechanical Engineering, Aerospace Engineering, Physics, or a related field
  • Experience in thermal system design and analysis
  • Good knowledge of the space environment
  • Experience in thermal modeling and analysis using Systema-Thermica or ESATAN
  • Proven ability to independently lead thermal design projects to completion
  • Excellent communication skills
  • Fluency in English

Nice to have

  • Experience with FEM analysis software (e.g., Simcenter)
  • Good knowledge of the ECSS standard
  • Ability to automate tasks using scripting languages like Python