Senior/Principal Propulsion Engineer

Responsibilities

• Design, analyze, test, fly, and refly next generation propulsion hardware
• Develop and execute test plans including qualification and acceptance testing
• Conduct post-test data reviews to refine designs and processes
• Collaborate across engineering disciplines to optimize engine performance and reliability
• Generate high-level plans and prioritize tasks across teams
• Mentor and guide engineers to foster technical growth
• Work with manufacturing and vehicle operation teams to support engine lifecycle

Requirements

• Bachelor’s degree in mechanical engineering, aerospace engineering, or related field
• 5+ years of experience for Senior I, 8+ years for Senior II, or 12+ years for Principal level
• Experience in rocket engine development, testing, or operations
• Strong understanding of fluid dynamics, thermodynamics, and cryogenic systems
• Familiarity with engine P&IDs, fluid system routing, and hotfire data reviews

Preferred Qualifications

• Advanced degree in a fluid mechanics-heavy field
• Experience with ox-rich staged combustion systems and Methyl/LOX propellants
• Background in failure analysis, combustion dynamics, turbopump mechanics, and hydraulics
• Familiarity with reusable rocket engine systems and test/launch facility operations
• Experience with design, qualification, and production best practices

About the Company

Rocket Lab is an end-to-end space company delivering responsive launch services, complete spacecraft design and manufacturing, payloads, satellite components, and more.