Sr. Mechanical/Fluid Engineer

2 Locations Aerospace Full-time Posted Oct 12, 2026
Apply on Blue Origin (opens in a new tab) Sourced via blueorigin.wd5.myworkdayjobs.com · Posted 2026-10-12

About this role

Blue Origin is hiring a Sr. Mechanical/Fluid Engineer, full-time, on-site in 2 Locations, in the Aerospace sector.

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 Blue Origin Operations, which is comprised of Integrated Supply Chain, Test Operations, Safety, Quality, and Mission Assurance. This includes Manufacturing and Supply Chain support across all Blue Origin facilities.

This role is part of Blue Origin Operations, which is comprised of Integrated Supply Chain, Test Operations, Safety, Quality, and Mission Assurance. This includes Manufacturing and Supply Chain support across all Blue Origin facilities.

As part of a dynamic and dedicated team of Mechanical and Fluid Engineers, you will play a crucial role in developing systems to test rocket engines and space flight vehicles. You will contribute significantly to all aspects of rocket engine test stand design. Your responsibilities will include designing and analyzing fluid systems for test facilities, coordinating with suppliers, and overseeing the construction, installation, and commissioning of new test facilities. Occasional travel to other sites (up to 25%) may be required to support operations.

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!

Responsibilities include but are not limited to:

- Lead and own the design of high-pressure gas and cryogenic fluid systems.
- Perform transient analysis of compressible and incompressible fluid systems.
- Conduct Process Hazard Analysis activities for fluid systems (HAZOP).
- Lead technical direction and architecture decisions for fluid system design and implementation.
- Manage suppliers, coordinating cost, schedule, and technical design requirements.
- Provide remote and on-site support during the fabrication, installation, and start-up of new facilities or upgrades.
- Support development of project plans including budget, schedule, and work breakdown.
- Coordinate with customers to refine project scope and requirements.
- Mentor newer engineers and perform peer reviews as appropriate based on experience level.

Minimum Qualifications:

- Bachelors Degree in Mechanical, Chemical, Aerospace Engineering, or related field.
- 10+ years of industry experience.
- Demonstrated expertise in fluid analysis, including process component selection and fluid system architecture.
- In-depth knowledge of fluid system components (e.g., valves, regulators, and pumps for cryogenics, propellants, and other fluids).
- Practical knowledge of standard installation and fabrication methods for piping systems (pipe stock, fittings, connections, fasteners, welding, etc.).
- Practical knowledge of ASME B31.3 and ASME BPVC codes.
- Expertise with transient modelling software (Thermal Desktop, Simulink, Etc.).
- Experience with AFT Arrow/Fathom or equivalent software packages.
- Ability to earn trust, maintain positive and professional relationships, and contribute to a culture of inclusion.

Preferred Qualifications:

- Advanced Engineering degree.
- Experience with Bentley AutoPipe / CAESAR.
- Experience with AutoCAD or AutoCAD Plant/P&ID.
- Experience with ProEngineer/Creo, Windchill, and ProPiping.
- Experience operating test facilities.

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, 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.
- 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.

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Description from Blue Origin's official posting. Always confirm details on the company careers page.

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About Blue Origin

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