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Fluids Analyst III – Fluids & Propulsion – Crew Lunar Lander

Blue Origin
United Statesfull_timeVerifiedPosted 6 Aug 2026
💰 $169,432/yr($121,023/yr$169,432/yr)

About the role

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.

We are looking for a Lead Fluids Analyst to support development of the Thermodynamic Vent System (TVS) on the MK2 Crewed Lander in support of NASA's Artemis & HLS programs. The TVS is responsible for thermal management of the Main Propulsion System (MPS) cryogenic propellants (LH2 & LOX).

The selected candidate will follow TVS through the complete development lifecycle from preliminary design through build, test, integration and on console operation

You will work with NASA and our National Team Partners as part of the Human Landing System (HLS) program. You will play a key role in developing the MK2 Crewed Lunar Lander that will return humans to the Moon and extend human presence permanently beyond the bounds of Earth.

Responsibilities:

  • Generate and run thermo-fluids models of cryogenic propellant
  • Work with a cross functional team to advance the state of the art of in space cryogenic fluid management in propulsion systems

Qualifications:

  • B.S. in Mechanical Engineering, Aerospace Engineering, or related field
  • 5+ years of thermal/fluids analysis experience
  • Proficiency using common CFD tools such as Thermal Desktop or Sinda/Fluint
  • Understanding of Fluid Mechanics, Heat Transfer, and Thermodynamics
  • Hands-on experience with first-order and Excel-level fluids calculations

Desired:

  • Expertise in Thermal Desktop
  • Experience with LH2 and/or LOX
  • Experience supporting propulsion system ground testing
  • Experience with zero boiloff solutions
  • CFD expertise (ANSYS Fluent, FLOW3D)
  • Experience with cryogenic, multi-phase, or gaseous fluid systems
  • Spacecraft, space vehicle or launch vehicle fluid systems experience


 

Base Pay Range for:

CA applicants is $121,023.00 - $169,432.20 CO applicants is $110,938.00 - $155,312.85 WA applicants is $121,023.00 - $169,432.20

Other site ranges may differ


Culture Statement

Don’t meet all desired requirements? Studies have shown that some people are less likely to apply to jobs unless they meet every single desired qualification. At Blue Origin, we are dedicated to building an authentic workplace, so if you’re excited about this role but your past experience doesn’t align perfectly with every desired qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles.


Export Control Regulations

Applicants for employment at Blue Origin must be a U.S. citizen or national, U.S. permanent resident (i.e. current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.


Background Check

  • Required for all positions: Blue’s Standard Background Check
  • Required for Certain Job Profiles:  Defense Biometric Identification System (DBIDS) background check if at any time the role requires one to be on a military installation
  • Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs. and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training.
  • Required for certain Job Profiles: Ability to obtain and maintain Merchant Mariner Credential, which includes pre-employment and random drug testing as well as DOT physical

Benefits

  • Benefits include:  Medical, dental, vision, basic

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Company

Blue Origin

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