Senior Spacecraft Thermal Systems Engineer

Blue Origin; Seattle (WA); On-site; USD 131,000 - 183,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) with company match

Stock options

Paid time off

Education support program

Job summary

Blue Origin is seeking an experienced Thermal Engineer to help drive the development of spacecraft thermal systems for the Lunar Permanence program. The role emphasizes architecture, modeling, hardware design, and test planning, with a focus on reliability across ground ops, TVAC, launch, and orbital environments.

The candidate will lead analytical efforts, perform hand calculations, validate models, and contribute to system-level documentation.

Qualifications

• Bachelor’s degree in mechanical or aerospace engineering.
• Solid understanding of thermal physics fundamentals.
• 7+ years of experience in design, analysis, and test of spacecraft thermal systems.
• Experience in thermal analysis, including model validation and test correlation.
• Ability to lead projects and teams, earn trust, and maintain professional relationships.
• Experience in design, analysis, and testing of spacecraft thermal systems.
• U.S. citizen or national, U.S. permanent resident, or lawfully admitted into the U.S.

Responsibilities

• Drives the development of thermal systems including system architecture, modeling, sizing, and design.
• Perform trade studies on material and subsystem hardware.
• Perform hand calculations to screen concepts and sanity check FE results.
• Develop vehicle-level thermal models using SINDA/FLUINT with Thermal Desktop.
• Develop and maintain system analysis documentation.
• Conduct steady state & transient thermal analyses across ground ops, TVAC testing, launch, and orbital phases.
• Provide leadership for TVAC test procedures, scripts, and installation designs.
• Support thermal hardware design, documentation, procurement, planning, and AI&T efforts.

Skills

Thermal physics

Team leadership

Modeling

Problem solving

Thermal analysis

Education

B.S. in mechanical or aerospace engineering

Tools

SINDA/FLUINT

Thermal Desktop

Python

C/C++

CREO/Windchill

Job description

Blue Origin is seeking an experienced Thermal Engineer to help drive the development of spacecraft thermal systems for the Lunar Permanence program. The role emphasizes architecture, modeling, hardware design, and test planning, with a focus on reliability across ground ops, TVAC, launch, and orbital environments.

The candidate will lead analytical efforts, perform hand calculations, validate models, and contribute to system-level documentation.