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Fluids Systems Designer - Lunar Permanence

Blue Origin
life insurance, parental leave, paid time off, paid holidays, 401(k)
United States, Washington, Seattle
Jan 06, 2026

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.

In this role you will be the Fluids Systems Design Lead, to design and deliver the fluids systems that supply our main propulsion for the Cargo Lunar Lander. Scope includes the complete life cycle from system definition, interfaces, conceptual design, detailed design, component development, assembly, verification, and operations. You will lead cross-functional trade studies, run integrated analyses, and define interfaces that impact the design and integration of the spacecraft. A successful candidate will understand fluid systems, components, fluid dynamics, and compressible flow for space vehicles. You should expect that this foundational part of our vision will require your excellent communication and teamwork.

We are seeking someone to bring their technical expertise, leadership abilities, and dedication to quality to make a positive impact on safe human spaceflight. Passion for our mission and vision is essential!

Responsibilities include but are not limited to:

  • Build and maintain transient fluids simulation models of the subsystem in the spacecraft primarily using Matlab.
  • Optimize hardware configuration, mission conops and control logic to drive overall vehicle performance
  • Drive requirements definition and test planning to validate system performance in relevant environments.
  • Lead trade studies across the vehicle in a multi-functional capacity representing the Fluids Subsystem.
  • Project planning for iterative design cycles and integrated schedules leading to hardware delivery.
  • Support internal and external gated reviews, documenting design maturation.

Minimum Qualifications:

  • B.S. degree in Mechanical Engineering, Aerospace Engineering, or a related field.
  • Demonstrated experience in fluids design and analysis.
  • Strong understanding of Fluid Mechanics, Heat Transfer and Thermodynamics.
  • Strong ability and desire to analyze complex systems and deliver solutions to problems passionate about achieving specific outcomes
  • Highly knowledgeable of systems engineering practices, integration processes, and mission/safety critical systems
  • Excellent verbal, written, and graphical communication skills
  • Ability to work collaboratively in a fast paced, dynamic work environment

Desired:

  • Prior experience on spacecraft fluid systems
  • CFD experience (ANSYS Fluent and FLOW3D preferred).
  • Knowledge of standard installation and fabrication methods of fluid systems (tube stock, fittings, connections, fasteners, welding, etc.)
  • Experience with hydrogen and oxygen systems.
  • Direct experience providing feedback for design iteration and optimization.
  • Process automation experience using scripting (VBA, Matlab, Python, FORTRAN, etc.)

Compensation Range for:

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 (CDL drivers only), 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 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.

  • Paid Time Off: Up to four (4) weeks per year based on weekly scheduled hours, and up to 14 company-paid holidays.

  • Dependent on role type and job level, employees may be eligible for benefits and bonuses based on the company's intent to reward individual contributions and enable them to share in the company's results, or other factors at the company's sole discretion. Bonus amounts and eligibility are not guaranteed and subject to change and cancellation. Please check with your recruiter for more details.

Equal Employment Opportunity

Blue Origin is proud to be an Equal Opportunity/Affirmative Action Employer and is committed to attracting, retaining, and developing a highly qualified and dedicated work force. Blue Origin hires and promotes people on the basis of their qualifications, performance, and abilities. We support the establishment and maintenance of a workplace that fosters trust, equality, and teamwork. We provide all qualified applicants for employment and employees with equal opportunities for hire, promotion, and other terms and conditions of employment, regardless of their race, color, religion, sex, sexual orientation, gender identity, national origin/ethnicity, age, physical or mental disability, genetic factors, military/veteran status, or any other status or characteristic protected by federal, state, and/or local law. Blue Origin will consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state, and local laws, including the Washington Fair Chance Act, the California Fair Chance Act, the Los Angeles Fair Chance in Hiring Ordinance, and other applicable laws. For more information on "Know Your Rights," please see here.

Affirmative Action and Disability Accommodation

Applicants wishing to receive information on Blue Origin's Affirmative Action Plans, or applicants requiring a reasonable accommodation in order to participate in the application and/or interview process, please contact us atEEOCompliance@blueorigin.com. Please note this is a publicly managed inbox. Please do not include any personal medical information in your request.

California Applicant Privacy Notice

If you are a California resident, please reference the CA Applicant Privacy Notice here.

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