Sr Mechanical Engineer

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.

About the Role

Blue Origin is seeking a Senior Mechanical Engineer to lead mechanical design supporting a new generation of advanced power systems hardware — from structural and mechanical components to thermal management systems and manufacturing drawings. You'll own mechanical subsystems end-to-end on a small, high-output team building at startup speed with aerospace rigor.

What You'll Do

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Design and analyze hardware for advanced power systems

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Perform structural (static, fatigue, modal) and thermal analysis using FEA to support design decisions and margin closure

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Design cooling and thermal management systems (air, liquid, or hybrid) for high-performance equipment

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Develop manufacturing drawings and tolerance stacks for components

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Select bearings, couplings, seals, and other mechanical interface hardware

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Support prototype build, assembly, and first-build test, including instrumentation planning for mechanical parameters

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Collaborate with electromagnetic and power conversion engineers to resolve integrated design trade-offs (thermal, structural, electromagnetic)

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Drive design decisions using analysis and test data

Minimum Qualifications

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Bachelor's degree in Mechanical Engineering or related field, plus 8+ years of relevant experience (or equivalent combination of education and experience)

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Proficiency with structural/thermal FEA tools (e.g., ANSYS, Abaqus, or equivalent)

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Strong fundamentals in structural mechanics and thermal management

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Experience with GD&T, generating drawings, and working with manufacturing/machine shops

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Experience with CAD software (NX preferred)

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Must be able to comply with U.S. export control regulations, which may require U.S. citizenship or lawful permanent resident status

Preferred Qualifications

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Demonstrated experience with mechanical design of electrical hardware

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Master's degree in Mechanical Engineering

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Experience designing liquid or forced-air cooling systems for high-performance equipment

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Hands-on experience supporting first-build assembly, alignment, and test of rotating equipment

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Experience taking power electronics hardware from concept through detailed design, build, and test

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Experience in aerospace, energy, or other highly regulated/high-reliability industries

Physical Requirements

Ability to work in an office, lab, and manufacturing/test environment; may require standing, bending, lifting up to 25 lbs, and use of PPE.

Base Pay Range for:
WA applicants is $156,802.00 - $219,522.45

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 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.