Fluids Systems Engineer III - Lunar Permanence

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, and operate fluids and propulsion subsystems for Lunar landers. Blue Origin's Lunar Transporter team is building the spacecraft that will deliver cargo and crew to the Moon—opening an entirely new frontier for commerce, science, and exploration.

We're seeking an experienced Cryogenic Liquids Design Engineer to design the fluid systems that power this revolution. The Lunar Transporter demands uncompromising reliability in extreme environments. Your cryogenic systems will operate in deep space, lunar orbit, and on the lunar surface. You'll own the complete lifecycle of mission-critical hardware that directly enables lunar logistics and human exploration.

This isn't incremental work—it's foundational technology for a new economy.

• Special Mentions: Relocation provided
• Travel expected up to 15% of the time
• Interviews may include a technical assessment

Define & Own Requirements

• Lead component requirement definition for lunar-specific environments, negotiate critical interfaces, and evaluate both in-house and vendor solutions through rigorous first-order analysis

Drive Design Reviews

• Present detailed component designs to cross-functional teams, defend technical decisions, and collaborate across lunar vehicle systems

Specify & Procure

• Partner with suppliers to source optimal materials and components optimized for lunar transporter missions

Execute the Full Cycle

• From design refinement through build, test, and delivery—watch your components launch toward the Moon

Document Excellence

• Generate engineering drawings, P&IDs, and verification packages that meet lunar mission standards

Lead Problem Solving

• Conduct structural and fluid analyses using industry-leading tools (ANSYS, Thermal Desktop, Creo/ProEngineer) in the lunar thermal and vacuum environment

Minimum Qualifications

• B.S. in Mechanical Engineering, Aerospace Engineering, or related field
• 8+ years designing aerospace propulsion and cryogenic fluid systems, including tubing or piping architecture
• Expertise in cryogenic components (valves, regulators, pumps)
• Proficiency in cryogenic fluid system sizing analysis and selection to include components, system specifications, etc..
• Expertise creating and interpreting P&IDs and fabrication drawings
• Experience in cryogenic fluid system from concept through vehicle integration
• Experience in design for manufacturing best practices

Preferred Qualifications

Advanced degree (Master's or Ph.D.)

• Hands-on cryogenics experience
• Experience with space systems or extreme environment applications
• Mastery of Windchill and eBOM creation and usage
• Mastery of CREO Parametric Piping
• Knowledge of ASME Y14.5 GD&T standards

Familiarity with piping fabrication methods, welding, and installation best practices

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.

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 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.
• Stock Options for all regular employees (working at least 20 hours/week)
• 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.