Principal Fluids & Propulsion Systems Architect

Join to apply for the Principal Fluids & Propulsion Systems Architect role at Blue Origin
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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.

You will provide technical leadership to a team of engineers as the MK2 Crewed Lander Fluid & Propulsion system architect. This role is responsible for setting technical direction of the vehicle level architectures for the main propulsion system, reaction control system, and the supporting vehicle fluid systems. You will define engineering strategy owning the technical roadmap, drive trade studies, and provide technical expertise.

• Serve as the primary technical point of contact for the MK2 Crew Lander Fluid & Propulsion system
• Lead technical strategy and definition of the main propulsion system, reaction control system, and supporting fluid systems
• Review technical products of the engineering team ensuring high quality technical decisions to drive a high performing architecture while meeting safety, cost, and schedule goals
• Present directly to senior leadership and be a single point of contact for fluid & propulsion technical issues
• Own program level risks
• Mentor experienced and early career engineers

• 10+ years of experience designing cryogenic and gaseous propulsion systems
• 5+ years of technical leadership of agile engineering teams
• Expertise in propulsion system fluid analysis tools such as Fluent, Sinda Fluint, or Flow 3D
• Demonstrated ability to drive teams to challenge requirements and identify simple solutions
• Hands‑on experience with the development lifecycle of propulsion components and systems
• Ability to earn trust, maintain positive and professional relationships, and contribute to a culture of integrity
• Excellent written and oral communication skills
• Minimum of a B.S. degree in engineering, computing, or another technical field

• Experience designing complex propulsion systems in dynamic and scrappy environments
• Experience delivering human rated propulsion systems
• Demonstrated ability to lead change and drive continuous improvement

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.

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:
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