Senior Propulsion Thermal Engineer – Thruster Analysis

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

Benefits offered by this job

Medical, dental, vision

Stock options

Paid time off

Holidays

Education support program

Job summary

Blue Origin LLC is seeking a Thermal Analysis Engineer to support design and development of thruster systems. You will perform detailed thermal analyses, build detailed models, and validate results through testing data, influencing design decisions across the full development cycle.

You will collaborate with propulsion, materials, manufacturing, and test teams, lead design reviews, and drive improvements in modeling approaches while ensuring safety margins and system reliability.

Qualifications

• 4+ years of professional experience related to thermal analysis.
• Strong fundamentals in fluids and thermodynamics.
• Experience with industry-standard tools: Thermal Desktop, SINDA FLUINT, ANSYS.

Responsibilities

• Perform detailed thermal analysis of thrusters and subassemblies, including design trade studies, component sizing, and design verification.
• Develop detailed thermal models using industry-standard tools to predict thruster and subsystem thermal behavior.
• Analyze thermal test data to anchor, validate, and refine thermal models and analyses.
• Support component design from a thermal perspective throughout the development cycle.
• Lead and support thermal design reviews and verification activities throughout the product lifecycle.
• Collaborate cross-functionally with propulsion, materials, manufacturing, and test teams to ensure designs meet thermal margins and safety requirements.
• Document analysis methods, assumptions, results, and recommendations.
• Contribute to the continuous improvement of thermal analysis processes, tools, and best practices within the team.

Skills

Thermal analysis

Heat transfer

Thermodynamics

Thermal modeling tools

Thermal Desktop

SINDA FLUINT

ANSYS

1-D/0-D thermal/fluid analysis

Hand calculations

Project leadership

U.S. citizenship or permanent resident

Education

MS degree in mechanical or aerospace engineering

Tools

Thermal Desktop

SINDA FLUINT

ANSYS

Job description

Blue Origin LLC is seeking a Thermal Analysis Engineer to support design and development of thruster systems. You will perform detailed thermal analyses, build detailed models, and validate results through testing data, influencing design decisions across the full development cycle.

You will collaborate with propulsion, materials, manufacturing, and test teams, lead design reviews, and drive improvements in modeling approaches while ensuring safety margins and system reliability.