Spacecraft Thermal Engineer: High-Performance Radiators

Blue Origin; Seattle (WA); On-site; USD 107,000 - 150,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) with company match

Paid time off

Education Support Program

Job summary

Blue Origin is seeking a passionate Thermal Engineer to design, analyze, and integrate advanced heat rejection systems for in-space hardware. You will develop radiators, heat pipes, cold plates, and pumped loops, applying CFD and thermal modeling to ensure mission success in the harsh space environment.

You will work with cross-disciplinary teams, perform orbital-thermal analyses, and support hardware lifecycle from concept through testing.

Qualifications

• BS in Mechanical or Aerospace Engineering (or related field).
• 2+ years in thermal design/analysis or advanced degree focus.
• Strong understanding of conduction, convection and radiation.
• Experience with at least one CFD/thermal tool.

Responsibilities

• Design and analyze high-performance radiators for spacecraft.
• Develop thermal models to predict component/system performance.
• Perform orbital-thermal analyses including solar and albedo heating.
• Support lifecycle from concept to testing and verification.
• Collaborate with interdisciplinary teams on thermal requirements.

Skills

Thermal design

Heat transfer

CFD analysis

Team collaboration

Education

Bachelor of Science in Mechanical Engineering or Aerospace Engineering

Master's or PhD preferred

Tools

Thermal Desktop

Sinda/Fluint

Star-CCM+

Ansys Fluent

Job description

Blue Origin is seeking a passionate Thermal Engineer to design, analyze, and integrate advanced heat rejection systems for in-space hardware. You will develop radiators, heat pipes, cold plates, and pumped loops, applying CFD and thermal modeling to ensure mission success in the harsh space environment.

You will work with cross-disciplinary teams, perform orbital-thermal analyses, and support hardware lifecycle from concept through testing.