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Principal Propulsion Engineer - BE-U Upgrades

Job in Seattle, King County, Washington, 98127, USA
Listing for: Blue Origin
Full Time position
Listed on 2026-03-01
Job specializations:
  • Engineering
    Mechanical Engineer, Aerospace / Aviation / Avionics, Systems Engineer
Job Description & How to Apply Below
Position: Principal Propulsion Engineer - BE-3U Upgrades

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 Blue Origin Engines business unit, where our focus is the design, development, manufacturing, and testing of engines and propulsion systems.

Built for multiple uses, our family of engines is powering the next generation of rockets for commercial, civil, national security, and human spaceflight. SME contributor to the development of company capabilities, best practices, and standards while developing advanced techniques, procedures, and criteria required for release and verification of assigned processes. Applies extensive engineering methods to design and analyze propulsion, systems and processes.

Development, release, and support of engineering artifacts across the development cycle to support hardware fabrication, assembly, verification, test and operations. Implements operating procedures, resolves system malfunctions, and provide technical information. Conducts feasibility studies and testing on new and modified propulsion system designs. Researches and analyzes customer design proposals, specifications, manuals, and other data to evaluate the feasibility, cost, and maintenance requirements of designs or applications.

Specifies system components or directs modification of products to ensure conformance with engineering design and performance specifications. Investigates equipment failures and difficulties to diagnose faulty operation, and to make recommendations to maintenance crew

As part of a hardworking team of engineers, you will design and develop combustion devices (injectors, chambers, nozzles, thrusters, igniters, and related components) for various rocket engines and spaceflight systems. You will be responsible for a combustion device'scomplete product life-cycle from initial requirements through flight qualification including design, manufacturing, test support,performingtest data reviews, processing non-conforming hardware and writing technical reports. You will need to have a background in fluid mechanics, heat transfer and structural mechanics to be successful.

You will be reporting directly to a Combustion Devices Manager within the Engines business unit.

We are looking for someone to apply their technical expertise, leadership skills, and commitment to quality to positively impact safe human spaceflight. Passion for our mission and vision is required!

Qualifications:

  • Minimum of a B.S. degree in engineering discipline (aerospace, mechanical, chemical or physics desired)

  • Subject matter expert in combustion devices through design and development

  • Strong technical fundamentals in propulsion, fluids, thermodynamics, and combustion

  • Strong technical skills in managing failure investigations with root causes in design, manufacturing, and hardware performance

  • Proficiency with computer aided design (CAD) and mechanical design fundamentals

  • Proficiency with Geometric Dimensioning and Tolerancing (GD&T)

  • 15+ yearsof industry experience in a related field

  • 5+ years of experience overseeing, guiding, and mentoring less experienced engineers

  • 5+ years of involvement in bid, proposal, and project capture activities

Desired:
  • M.S. in engineering discipline or higher

  • Familiarity with analytical packages ANSYS, COMSOL, Fluent, CFX, Thermal Desktop, ROCETS or ROCCID

  • Strong knowledge of entire combustion devices life cycle from design, development, qualification, acceptance and production

  • Experience with Creo (Pro/E) Wildfire 5 or greater, Windchill 10

Compensation Range for:

WA applicants is $ - $

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…

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