Senior Mechanical Engineer, Propulsion & Combustion

Blue Origin LLC; United States; On-site; USD 121,000 - 169,000; Full time

Benefits offered by this job

Medical/Dental/Vision

Parental leave

Disability insurance

401(k) with match

Stock options

Paid time off

Job summary

Blue Origin LLC is seeking a seasoned engineer to design combustion devices and lead high-temperature gas systems development. You will manage the full product lifecycle from requirements through qualification, documenting tests and supporting operations across facilities.

The role requires deep knowledge of fluid mechanics, heat transfer, and structural analysis, plus CAD and GD&T proficiency. Occasional on-site and remote manufacturing support are expected.

Qualifications

• Bachelor’s degree in Mechanical, Aerospace, Chemical Engineering, or related technical field.
• Minimum of 5 years of industry experience in relevant engineering.
• Demonstrated experience in fluid mechanics, heat transfer and structural mechanics.
• Experience with CAD software and drawing creation.
• Familiarity with Geometric Dimensioning and Tolerancing (GD&T).
• Experience with data analysis and data processing.

Responsibilities

• Design and develop combustion devices (injectors, chambers, igniters, and related components).
• Lead the design of high-temperature gas systems, including process architecture and layout for components testing and test facilities.
• Manage a combustion device’s complete product lifecycle from initial requirements through qualification.
• Develop and document test requirements and procedures.
• Support test operations, including data collection, analysis, and hardware performance assessment.
• Design and develop mechanical test fixtures and structural supports.
• Conduct Process Hazard Analysis activities for fluid systems (HAZOP).
• Coordinate with suppliers, managing cost, schedule, and technical design requirements.
• Provide remote and on-site support during manufacturing, fabrication, installation, and start-up of new facilities or hardware upgrades.
• Coordinate with internal customers to refine project scope and requirements.

Skills

Fluid mechanics

Thermodynamics

Heat transfer

Structural analysis

Data analysis

CAD software

GD&T

Education

Bachelor’s degree in Mechanical, Aerospace, Chemical Engineering, or related technical field

Tools

CAD software

Geometric Dimensioning and Tolerancing (GD&T)

Job description

Blue Origin LLC is seeking a seasoned engineer to design combustion devices and lead high-temperature gas systems development. You will manage the full product lifecycle from requirements through qualification, documenting tests and supporting operations across facilities.

The role requires deep knowledge of fluid mechanics, heat transfer, and structural analysis, plus CAD and GD&T proficiency. Occasional on-site and remote manufacturing support are expected.