Lunar Gas Subsystems Fluids Analyst II

Blue Origin LLC; Alabama; On-site; USD 90,000 - 140,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

Parental leave

401(k) with company match

Education Support Program

Stock Options

Paid Time Off

Job summary

Blue Origin is hiring a Fluids Analyst to design and optimize the Gas Subsystem for the Lunar Transfer Stage. You will own the complete lifecycle from requirements and interface definition through design, testing, and operations, applying thermal/fluids expertise to enable Moon missions.

The role emphasizes modeling, trade studies, and hardware optimization within the Lunar Permanence unit, with a focus on safe, reusable propulsion and cryogenic fluid systems.

Qualifications

• B.S. in Mechanical Engineering or Aerospace Engineering or related field.
• 3+ years of thermal/fluids analysis experience.
• Proficiency in Thermal Desktop FloCAD and Sinda/Fluint with FORTRAN knowledge.

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

Thermal Desktop FloCAD

Sinda/Fluint

FORTRAN

Fluid mechanics

Heat transfer

Thermodynamics

Excel

CFD

ANSYS Fluent

FLOW3D

AFT Arrow

AFT Fathom

Hydrogen/oxygen systems

VBA

MATLAB

Python

Education

B.S. in Mechanical Engineering

B.S. in Aerospace Engineering

Tools

None

Job description

Blue Origin is hiring a Fluids Analyst to design and optimize the Gas Subsystem for the Lunar Transfer Stage. You will own the complete lifecycle from requirements and interface definition through design, testing, and operations, applying thermal/fluids expertise to enable Moon missions.

The role emphasizes modeling, trade studies, and hardware optimization within the Lunar Permanence unit, with a focus on safe, reusable propulsion and cryogenic fluid systems.