Senior Thermal Engineer (Aerospace)

Location: Luxembourg; Workplace: On-site

Company

hirify.global develops lunar rovers and spacecraft to enable sustainable lunar exploration and build the foundations of a lunar economy.

What you will do

• Lead the design, development, and verification of spacecraft thermal control systems, including radiators, heaters, MLI, coatings, and thermal straps.
• Develop and review detailed thermal models using Thermal Desktop and ESATAN, including 0D/1D thermal network models.
• Perform thermal analyses across launch, cruise, lunar orbit, and surface operations, and correlate models with test results.
• Plan and oversee component- and system-level thermal vacuum testing, including setup definition, data analysis, and reporting.
• Integrate thermal requirements with mechanical, electrical, and systems engineering teams and contribute to design reviews.
• Identify thermal risks, lead mitigation strategies and trade studies, and prepare technical documentation.

Requirements

• Bachelor’s or Master’s degree in Aerospace Engineering, Mechanical Engineering, Physics, or a related field.
• 5–8+ years of experience in spacecraft thermal design, analysis, and testing.
• Expertise with Thermal Desktop or ESATAN and proficiency in 0D/1D thermal network modeling.
• Strong understanding of active and passive thermal control systems for spacecraft and surface vehicles.
• Hands-on experience with thermal vacuum testing and correlation activities.
• Excellent communication and documentation skills in English; the role is based on-site in Luxembourg.

Culture & Benefits

• Work alongside engineers, business experts, and creatives on lunar exploration missions.
• Collaborate with a global team spanning Japan, Luxembourg, the US, and Europe.
• Contribute directly to rover design, development, and operations.
• Work in a fast-moving, multidisciplinary engineering environment.