Fluids Analyst II - Lunar Permanence

Blue Origin; Florida; On-site; USD 134,000 - 187,000; Full time

Benefits offered by this job

Relocation provided

Occasional travel up to 15%

1st Shift: 8am - 5pm

Job summary

Blue Origin is seeking a mechanical/aerospace professional to design, analyze, build, test, and operate fluids and propulsion subsystems for Lunar landers. The role focuses on thermo-fluids modeling, hardware optimization, and cross-functional collaboration with engineers and technicians.

Qualified candidates will have a B.S. in a related field, 3+ years of thermal fluids experience, and proficiency with Thermal Desktop FloCAD and Sinda/Fluint, plus FORTRAN.

Qualifications

• B.S. degree in Mechanical, Aerospace, or related field.
• 3+ years of experience in thermal fluids analysis and mechanical component design.
• Proficiency in Thermal Desktop FloCAD and Sinda/Fluint with strong FORTRAN user-logic skills.
• Deep understanding of Fluid Mechanics, Heat Transfer, and Thermodynamics.
• Hands‑on experience with first‑order and Excel‑level fluids calculations.

Responsibilities

• Generate and run thermo-fluids models of cryogenic propellant in spacecraft
• Provide guidance on optimizing hardware configuration, mission conops and control logic
• Quantitatively evaluate alternative trade studies and provide recommendations
• Work with a cross functional team to advance the state of the art of in space cryogenic fluid management

Skills

Thermal fluids analysis

Fluid mechanics

Heat transfer

Thermodynamics

Excel calculations

FORTRAN scripting

Python/MATLAB scripting

Education

B.S. degree in Mechanical, Aerospace, or related field

Tools

Thermal Desktop FloCAD

Sinda/Fluint

FORTRAN

Job description

Application close date:

Applications will be accepted on an ongoing basis until the requisition is closed.

At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight!

This role is part of the Lunar Permanence business unit, which develops Blue Origin's Blue Moon landers and related products. To further Blue Origin's mission of millions of people living and working in space for the benefit of Earth, we are building sustainable infrastructure for our transport of crew and cargo from Earth to the lunar surface.

As part of a hardworking team of specialists, technicians, and engineers, you will work to design, analyze, build, test, integrate, deliver, and operate fluids and propulsion subsystems on Lunar landers.

Special Mentions:

• Relocation provided
• Occasional travel up to 15% of the time
• 1st Shift: 8am - 5pm
• Interviews may include a technical assessment

Responsibilities include but are not limited to:

• Generate and run thermo-fluids models of cryogenic propellant in spacecraft
• Provide guidance on optimizing hardware configuration, mission conops and control logic
• Quantitatively evaluate alternative trade studies and provide recommendations
• Work with a cross functional team to advance the state of the art of in space cryogenic fluid management

Qualifications:

• B.S. degree in Mechanical, Aerospace, or related field
• 3+ years of experience in thermal fluids analysis and mechanical component design
• Proficiency in Thermal Desktop FloCAD and Sinda/Fluint with strong FORTRAN user-logic skills
• Deep understanding of Fluid Mechanics, Heat Transfer, and Thermodynamics
• Hands‑on experience with first‑order and Excel‑level fluids calculations

Desired:

• Advanced Engineering degree
• Prior spacecraft fluid systems experience
• CFD expertise (ANSYS Fluent, FLOW3D)
• Fluid network analysis tools (AFT Arrow/Fathom)
• Experience with cryogenic, two‑phase, and gaseous fluid systems
• Hydrogen and oxygen systems background
• Process automation scripting skills (VBA, MATLAB, Python, FORTRAN)

Base Pay Range for:

CO applicants is $133,500.00 - $186,898.95

Other site ranges may differ