Fluid Mechanical Design Engineer III - Lunar Permanence

Blue Origin LLC; United States; On-site; USD 130,000 - 190,000; Full time

Benefits offered by this job

Relocation provided

Travel up to 15%

Shifts 8am-5pm

Job summary

Blue Origin is seeking an experienced Liquids Cryogenic Hardware Design Engineer to own the complete lifecycle of cryogenic fluid systems for lunar transport missions. You will design, analyze, test, integrate, and operate propulsion subsystems for the Lunar Transporter, delivering reliable hardware for deep space environments.

Collaborate with cross-functional teams, source materials, and prepare verification packages while meeting mission standards.

Qualifications

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

Responsibilities

• Define & own requirements for lunar-specific environments.
• Drive design reviews with cross-functional teams.
• Specify & procure materials and components for lunar missions.
• Execute full cycle from design through build, test, delivery.
• Document drawings, P&IDs, and verification packages.
• Lead problem solving with structural and fluid analyses in lunar environment.

Skills

Aerospace propulsion design

Cryogenic fluid systems

Thermal analysis

P&IDs and fabrication drawings

ANSYS

Creo/ProEngineer

Education

B.S. in Mechanical or Aerospace Engineering

Tools

Windchill

eBOM

CREO Parametric Piping

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, 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 Liquids Cryogenic Hardware 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
• Shifts available: 1st 8am - 5pm
• Interviews may include a technical assessment

Responsibilities

• 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 BlueOrigin 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

• 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

• 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.

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.

Company Vision

Blue Origin was founded with a vision to enable a future where millions of people are living and working in space to benefit Earth. In order to preserve Earth, BlueOrigin believes in the need to enable humanity to expand, explore, find new energy and material resources, and move industries that stress Earth into space. BlueOrigin believes it has an important role in building a road to space and lowering the cost of getting there. At BlueOrigin, we’re working on this today by developing fully reusable launch vehicles and systems that are safe, reliable and affordable. Every launch vehicle is designed for human spaceflight from the beginning and able to ferry payloads to space.