Sr. Mechanical Engineer

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.

We are seeking an experienced Mechanical Design Engineer to join our engineering team. In this role, you will lead the design and development of combustion systems and associated mechanical components while ensuring full adherence to codes and standards. You will serve as the technical authority for code compliance, working across multiple projects to develop safe, reliable, and compliant systems. This position requires a combination of strong design capabilities, practical knowledge of manufacturing processes, and experience with applicable codes and standards.

• Perform detailed engineering calculations including stress analysis, thermal analysis, and pressure equipment sizing
• Develop comprehensive technical specifications, design criteria, and engineering drawings
• Create and maintain code data reports, design documentation, and compliance records
• Review and approve vendor submissions for code compliance
• Design pressure vessels, piping systems, and related mechanical components in accordance with applicable codes
• Serve as the technical authority for code compliance, providing guidance to engineering teams
• Develop inspection and testing plans that meet requirements
• Support certification and recertification activities
• Evaluate non-conformances and develop technically sound resolution strategies
• Guide manufacturing teams on code-compliant fabrication techniques and requirements
• Mentor junior engineers on code application and compliance practices

• Bachelor's degree in Mechanical Engineering or related engineering field
• 8+ years of mechanical design experience
• Proficiency in GD&T principles per ASME Y14.5
• Strong CAD skills with 3D modeling software (Solid Works, NX, CATIA, or similar)
• Experience with FEA tools for stress analysis and structural validation
• Demonstrated ability to interpret and apply code requirements (ASME, API, AISC and ACI codes) to complex design problems
• Experience working with quality assurance programs for pressure equipment
• Knowledge of material selection considerations for high temperature applications
• Familiarity with NDE methods and acceptance criteria
• Excellent technical writing and communication skills
• Strong problem-solving abilities and attention to detail

• Master's degree in Mechanical Engineering or related field
• Experience with design and certification of high-pressure or cryogenic systems
• Background in aerospace, power generation, oil & gas, or process industries
• Experience with risk-based approaches
• Familiarity with welding engineering principles and ASME Section IX requirements
• Experience with fitness-for-service evaluations
• Knowledge of pressure relief device sizing and selection
• Experience with pressure testing procedures and test oversight
• Understanding of design requirements for specific services (hydrogen, oxygen, lethal service)

Base Pay Range for: WA applicants is $ - $

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…