Lunar Gas Subsystem Fluids Engineer

BLUE ORIGIN; Huntsville (TN); On-site; USD 95,000 - 135,000; Full time

Job summary

Blue Origin in Huntsville is seeking a Fluids Analyst to design and optimize the Gas Subsystem for the Lunar Transfer Stage. You’ll own the complete lifecycle—from requirements and interface definition through conceptual design, detailed design, component development, assembly, verification testing, and operations.

This high-impact role leverages thermal/fluids expertise to enable crew and cargo transport to the Moon, including modeling, trade studies, and verification planning.

Qualifications

• 3+ years of thermal/fluids analysis experience.
• Proficiency in Thermal Desktop FloCAD and Sinda/Fluint with FORTRAN.
• Strong understanding of Fluid Mechanics, Heat Transfer, and Thermodynamics.

Responsibilities

• Build and maintain transient fluids simulation models of the gas subsystem using Thermal Desktop FloCAD and Sinda/Fluint
• Provide strategic guidance on hardware optimization, mission operations, and control logic
• Lead trade studies across Gas Subsystem and neighboring subsystems
• Define requirements and plan verification testing to validate hardware performance in relevant environments
• Support the complete lifecycle of the Transporter vehicle from initial definition through in-flight operations
• Drive design iteration through data-informed feedback and optimization

Skills

Thermal/fluids analysis

Fluid mechanics

Heat transfer

Education

B.S. in Mechanical or Aerospace Engineering

Tools

Thermal Desktop FloCAD

Sinda/Fluint

ANSYS Fluent

FLOW3D

AFT Arrow/Fathom

VBA

MATLAB

Python

Excel

FORTRAN

Job description

Blue Origin in Huntsville is seeking a Fluids Analyst to design and optimize the Gas Subsystem for the Lunar Transfer Stage. You’ll own the complete lifecycle—from requirements and interface definition through conceptual design, detailed design, component development, assembly, verification testing, and operations.

This high-impact role leverages thermal/fluids expertise to enable crew and cargo transport to the Moon, including modeling, trade studies, and verification planning.