Lead Vehicle Fluids Architect for Terran R

Relativity Space; Long Beach (CA); On-site; USD 164,000 - 225,500; Full time

Job summary

Relativity Space is seeking a Vehicle Fluids Product Responsible Engineer to own the fluid system architecture for a product line, guiding design, analysis, and operations with deep thermofluids expertise.

You will collaborate across Propulsion, Structures, GNC, and Avionics to ensure seamless integration, perform 1D thermo-fluids analyses, and shape testing strategies for Terran R’s fluid systems in a fast-paced, on-site factory environment.

Qualifications

• Bachelor’s degree in Mechanical Engineering or related field.
• 7+ years of experience with complex fluids systems.
• Strong background in fluid architecture, thermodynamics, and heat transfer.
• Proficient with one or more fluid/thermal modeling tools.
• Experience with Matlab, Python, or C++ for data analysis or modeling.
• Direct experience with launch vehicle or spacecraft fluid or propulsion systems.

Responsibilities

• Own the integrated stage-fluid architecture and schematics across subsystems.
• Lead cross-functional interface definitions with Propulsion/Engine, Structures, GNC, and Avionics.
• Assist with sizing and 1D steady-state thermofluids analysis at system and component levels.
• Define development, qualification, and acceptance testing scopes to reduce risk.
• Participate in CONOPS development and operation data review for fluid systems.

Skills

Fluids systems

Thermodynamics

Data analysis

Matlab

Python

C++

System architecture

Education

Bachelor’s degree in Mechanical Engineering

Tools

Fluid modeling tools

Job description

Relativity Space is seeking a Vehicle Fluids Product Responsible Engineer to own the fluid system architecture for a product line, guiding design, analysis, and operations with deep thermofluids expertise.

You will collaborate across Propulsion, Structures, GNC, and Avionics to ensure seamless integration, perform 1D thermo-fluids analyses, and shape testing strategies for Terran R’s fluid systems in a fast-paced, on-site factory environment.