Pumps Fluids Analyst Sr – Lunar Permanence

Role Overview

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.

• Perform fluid and thermal analysis on Lunar vehicle pump components.
• Use analysis insights to provide design recommendations to responsible engineers so they can create optimal pump designs.
• Apply a range of analysis tools and methodologies to design and analyze primary flowpath performance at various stages in the product lifecycle.
• Generate and run secondary flow analysis models, providing design feedback.
• Provide test support to anchor analytical models and assist product development.
• Offer expert guidance on pump design and quantify performance across diverse environments.
• Optimize and co‑develop pump designs for efficiency, power consumption, system integration, manufacturability, cost, mass, leakage, and reliability.
• Provide technical leadership to a small team focused on fluid analysis.
• Support the complete pump life cycle from definition, interfaces, conceptual design, component development, assembly, verification, to operation.
• Work through the product lifecycle and see hardware mature from an initial CAD model to flight‑qualified hardware installed on a lunar vehicle.
• Apply technical expertise, leadership, communication, and dedication to quality to positively impact safe human spaceflight.

• M.S. degree in Mechanical Engineering, Aerospace Engineering, or a related field.
• 5+ years of experience in thermal and/or fluids analysis and mechanical component design.
• 5+ years of experience with classical hand calculations for thermal and/or fluids analysis based on common aerospace reference materials (Shigley, Bruhn, Roark, etc.).
• 3+ years of experience with Ansys CFX, Ansys Fluent, Workbench, or other CFD analysis software.
• 2+ years of experience with thermal desktop, FloCAD, or other thermal analysis software.
• Experience with a wide variety of manufacturing methods, material selection, testing, characterization, and allowable development.

• Experience analyzing cryogenic components.
• Experience with script automation in Ansys Workbench.
• Experience working on human‑rated space hardware.
• Experience working with NASA requirements.

• Medical, dental, vision, basic and supplemental life insurance.
• Paid parental leave, short‑ and long‑term disability, 401(k) with a company match of up to 5%, and an Education Support Program.
• Stock options for all regular employees (working at least 20 hours/week).
• Paid Time Off:
  Up to four weeks per year based on weekly scheduled hours, and up to 14 company‑paid holidays.
• Bonus and other incentive compensation may be available at the company's discretion.

Applicants must be a U.S. citizen or national, a U.S. permanent resident (Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

• Required for all positions:
  Blue's Standard Background Check.
• Required for certain job profiles:
  Defense Biometric Identification System (DBIDS) background check if the role involves a military installation.
• Other additional screening may be required for specific job functions.

Blue Origin is an Equal Opportunity/Affirmative Action Employer committed to a diverse and inclusive workforce. All qualified applicants are considered for employment irrespective of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, military or veteran status, or any other protected characteristic. For more information on your rights, please see here.

Contact  for information on affirmative action plans or to request reasonable accommodations for the application and interview process.