Propulsion Thermal Engineer – Heat Modeling & Validation

Blue Origin LLC; Seattle (WA); On-site; USD 121,000 - 169,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401k with match

Paid time off

Job summary

Blue Origin LLC in Seattle, WA is seeking an engineer to perform detailed thermal analysis of thrusters and subassemblies across the full development cycle, from design trades to hot-fire testing. You will build and validate thermal models, contribute to design reviews, and collaborate with propulsion, materials, manufacturing, and test teams.

The role requires strong fundamentals in fluids and thermodynamics, hands-on computation, and the ability to lead projects independently. U.S.

Qualifications

• 4+ years of professional thermal analysis experience.
• Strong fundamentals in fluids and thermodynamics.
• Experience with 0-D and 1-D thermal/fluids analysis.
• Ability to lead projects and work independently.

Responsibilities

• Perform detailed thermal analysis of thrusters and subassemblies.
• Develop detailed thermal models to predict behavior.
• Analyze thermal test data to validate models.
• Lead thermal design reviews and cross-functional collaboration.
• Document methods, results, and recommendations.

Skills

Thermal analysis

Fluids

Thermodynamics

Numerical analysis

Project leadership

Independent work

Education

Bachelor's degree in mechanical or aerospace engineering

Tools

Thermal Desktop

SINDA FLUINT

Ansys

Job description

Blue Origin LLC in Seattle, WA is seeking an engineer to perform detailed thermal analysis of thrusters and subassemblies across the full development cycle, from design trades to hot-fire testing. You will build and validate thermal models, contribute to design reviews, and collaborate with propulsion, materials, manufacturing, and test teams.

The role requires strong fundamentals in fluids and thermodynamics, hands-on computation, and the ability to lead projects independently. U.S.