Senior Thermal Analysis Engineer for Space Systems

Axiom Space; California; On-site; USD 130,000 - 185,000; Full time

Job summary

Axiom Space in California is seeking a Senior Thermal Analysis Engineer (Level III) to own the thermal design of AxEMU suit components (PLSS, PGS) and lead modeling, testing support, and design decisions. You will develop and validate thermal models (Thermal Desktop, SINDA/FLUINT, Ansys), perform CFD analyses, and collaborate across teams to ensure human-rated performance and mission success.

This role requires strong problem-solving, communication, and a hands-on approach to ensure design

Qualifications

• Bachelor’s degree in Mechanical or Aerospace Engineering with 4+ years of thermal engineering experience.
• Thermal analysis experience on crewed hardware.
• Proficiency with thermal modeling tools (Thermal Desktop, SINDA/FLUINT, Ansys).
• Strong conduction, radiation, and convection knowledge; comfortable with hand/calculation methods.
• Experience with thermal testing and model validation.
• CAD experience with SolidWorks/SpaceClaim.

Responsibilities

• Own the thermal design and documentation for AxEMU components.
• Develop, validate, and maintain detailed thermal models of PGS, PLSS, and other assemblies.
• Run system-level thermal models and integrate results into suit-level analyses.
• Perform CFD analysis of thermal-fluid problems and deliver usable results.
• Support thermal vacuum and human-in-the-loop testing, including test planning and correlation.
• Write analysis reports and present recommendations at design reviews.

Skills

Accountability

Technical Rigor

Execution Discipline

Pride of Delivery

Teamwork

Education

Bachelor’s degree in Mechanical or Aerospace Engineering

4+ years thermal engineering experience

Master’s degree (preferred)

Tools

Thermal Desktop

SINDA/FLUINT

Ansys

SolidWorks/SpaceClaim

Job description

Axiom Space in California is seeking a Senior Thermal Analysis Engineer (Level III) to own the thermal design of AxEMU suit components (PLSS, PGS) and lead modeling, testing support, and design decisions. You will develop and validate thermal models (Thermal Desktop, SINDA/FLUINT, Ansys), perform CFD analyses, and collaborate across teams to ensure human-rated performance and mission success.

This role requires strong problem-solving, communication, and a hands-on approach to ensure design