Relativity Space · 2 days ago
Senior Fluid Systems Engineer
Relativity Space is building rockets to meet today's needs and future breakthroughs. The Senior Fluid Systems Engineer will be responsible for the design and analysis of fluid systems for the Terran R vehicles, ensuring reliable and efficient operation while leading projects and collaborating across teams.
3D TechnologyAerospaceArtificial Intelligence (AI)Manufacturing
Responsibilities
Conducting trade studies to produce architectures and designs that satisfy system requirements
Sizing at the system and component level
Conducting fluid and thermal analyses, including system performance prediction and characterization using a variety of analytical methods (1D steady-state, transient, fluid networks, etc.)
Creating tools to enhance our team’s analysis capabilities and streamline workflow
Participating in design and manufacturing reviews
Owning and leading test campaigns to validate system design and performance
Anchoring models with data from test and launch
Qualification
Required
Bachelor's degree (Mechanical Engineering or relevant)
5+ years of experience working with fluids systems
Experience applying engineering fundamentals in system design, thermodynamics, fluid dynamics, and heat transfer
Experience with one or more fluid or thermal modeling tools for internal compressible and incompressible analysis
Experience with programming languages such as Matlab, Python, or C++
Preferred
Experience with launch vehicles and spacecraft
Benefits
Competitive salary and equity
Generous PTO and sick leave policy
Parental leave
Annual learning and development stipend
Company
Relativity Space
Relativity Space is an aerospace company that designs, develops, and builds 3D printed rockets.
Funding
Current Stage
Late StageTotal Funding
$1.36BKey Investors
FidelityTiger Global ManagementPlayground Global
2023-11-15Series F· $20M
2022-02-03Secondary Market
2021-06-08Series E· $650M
Recent News
Research & Development World
2025-12-24
2025-11-14
2025-11-12
Company data provided by crunchbase