Launch Vehicle Fluids Engineering Intern

Relativity Space; Long Beach (CA); On-site; USD 30,000 - 47,000; Full time

Job summary

Relativity Space is building rockets and turbinary-stage fluids systems at our factory in California. This internship-focused role supports mechanical and systems-level design and analysis for the Stage Fluids team, ensuring reliable operation of Terran R launch vehicle components on-site.

The candidate will engage in structural design, FEA validation, and fluids analysis, collaborating across teams to iterate on solutions and learn through hands-on development in a fast-paced environment.

Qualifications

• Current undergraduate or graduate student in mechanical or aerospace engineering or equivalent.
• Project or industry experience with a commercial CAD package (NX, Solidworks, etc...).
• Project or industry experience with fluid system or component design or operation.
• Ability to thrive with ambiguous and rapidly changing requirements.
• Strong fundamentals in fluid dynamics, fluid mechanics, and thermal analysis.

Responsibilities

• Structural design of secondary structures supporting fluids hardware.
• Mechanical design validation utilizing FEA and/or hand calcs.
• Tube routing design and analysis.
• Fluids system analysis utilizing 1D Flow solvers and hand calcs.

Skills

Fluid dynamics

Fluid mechanics

Thermal analysis

CAD design

Python

SolidWorks

Education

Mechanical or aerospace engineering (undergrad/grad student)

Tools

NX

SolidWorks

Job description

Relativity Space is building rockets and turbinary-stage fluids systems at our factory in California. This internship-focused role supports mechanical and systems-level design and analysis for the Stage Fluids team, ensuring reliable operation of Terran R launch vehicle components on-site.

The candidate will engage in structural design, FEA validation, and fluids analysis, collaborating across teams to iterate on solutions and learn through hands-on development in a fast-paced environment.