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Thermal Engineer I
Relativity Space
Long Beach, California, United StatesFresher1h agovia Greenhouse
This job at a glance
- Who can apply
- New grads, no experience needed · Bachelor's degree
- Must know
- OperationsData analysisPythonMATLAB
- Work
- On-site in Long Beach
- Pay
- Not stated by the employer.
- Skill demand
- Operations42%Data analysis8%Python3%MATLAB2%of 99 similar entry-level jobs posted in the US this week
- Listed
- Oct 29, 2026 · still open
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About the Role
- Drive the architecture, sizing, and development of thermal systems like insulation, heaters, thermal protection, and environmental conditioning in collaboration with peer technical teams.
- Build, execute, and validate thermal analyses at the component, sub-system, and vehicle level, including supporting tool development and automation.
- Guide design and development engineers in the successful application of thermal sciences to achieve system and component requirements.
- Develop and execute tests to support thermal systems development and qualification, including test article integration, instrumentation setup, and data processing.
- Support vehicle and engine thermal system development and stage testing, as well as flight operations.
Requirements & Tech Stack
- Bachelor's degree in Engineering or related field.
- Experience in industry via internships or university collaborations.
- Strong fundamentals in heat transfer and thermal analysis.
- Hands-on experience with writing test plans and performing testing, instrumentation, and data analysis at the component and system level.
- Experience with an engineering scripting language like MATLAB or Python.
Qualifications (Nice to Haves)
- Graduate degree in engineering or related field.
- Experience solving complex problems on integrated vehicles with design teams.
- Experience in component and system level thermal and fluids analysis, using relevant toolsets like Sinda/Fluint/Thermal Desktop or other commercial FEM/FDM/FVM solvers.
- Familiarity with cryogenic liquid rocket stage architecture, engine architecture, and operations.
- Understanding of aerodynamics and external flight related heating, including thermal protection system materials and thermal protection system sizing.