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Principal Propulsion Engineer - Materials and Processes

Greater Seattle Area💼 Full-time💰 $169,624–$169,624🗓 2026-09-15 → 2026-09-25

Core

Lead material and process development for liquid rocket engines, supporting design, manufacturing, and qualification of propulsion systems for commercial, civil, and national security spaceflight.

Role type

Principal Propulsion Engineer (Materials and Processes)

Builds

Reusable, safe, and low-cost space vehicles and propulsion systems

Domain

Aerospace propulsion / Materials science / Advanced manufacturing

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work -> physical/clinical work (specifically: engine components, materials qualification, manufacturing processes)

Required skills

Material science engineering, process development, system engineering, statistical analysis, thermomechanical property analysis, failure analysis, test plan execution, database management for test data

Preferred skills

High-temperature/high-pressure oxygen engine experience, hydrogen embrittlement mitigation, forensic analysis of rotating machinery, MMPDS standards knowledge, technology project management

Technologies

SEM, EDS, metallography, forging, casting, forming, extrusion, plating, coating, brazing, anodization, passivation, additive manufacturing, subtractive manufacturing

Responsibilities

Design and develop material and part process development and qualification efforts; review production drawings for large complex assemblies; collect and statistically analyze thermomechanical properties data; mentor M&P engineers and guide tactical and strategic program decisions; contribute to internal engineering and quality processes to standardize material evaluation.

Seniority

Principal, hands-on IC with mentorship responsibilities

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