Staff Fluids Engineer, Vehicle Systems

Company Details

Building humanity’s multiplanetary future.

Relativity is the first and only company to automate aerospace manufacturing by integrating intelligent robotics, software, and proprietary metal 3D printing technology. Disrupting 60 years of aerospace, Relativity offers a radically simplified supply chain, building a rocket with 100x fewer parts in less than 60 days. Our long-term goal is to upgrade humanity’s industrial base on Earth and on Mars.  


  • Our team is responsible for the vehicle side of the fluid systems that will allow Terran rockets to venture to space. We collaborate closely with virtually every discipline, including our propulsion, structures, launch, and test teams, to deliver a vehicle capable of launching to orbit. We strive for continuous improvement and support the development of our technical hardware and human teammates alike.

What you’ll do:

  • In this role, you will be responsible for the design and analysis of the fluid systems that ensure reliable and efficient operation of Terran vehicles.

Specific responsibilities will include:

  • Conducting trade studies to produce architectures and designs that satisfy system requirements
  • Participate in design and manufacturing reviews
  • Anchor models with data from test and launch
  • Sizing at the system and component level
  • Detailed fluid and thermal analyses including system performance prediction and characterization using a variety of analytical methods (1D steady-state, transient, fluid networks, etc.)
  • Create tools to enhance our team’s analysis capabilities and streamline workflow
  • In order to be successful in this role, you should be someone who thrives in ambiguity and is able to lead their own projects into completion. A high degree of drive and autonomy is required.
  • You must be flexible to changes in strategic direction and willing to go the extra mile to ensure we as a company are producing the best possible product.
  • You will be directly responsible for mission-critical systems and processes as a technical authority for fluid system.
  • Along with these high expectations comes the opportunity to have a significant influence on a fast-growing startup company and to oversee rapid progress in an environment that encourages growth and risk.

What you need to know:

  • Bachelor’s degree or higher in relevant engineering discipline (e.g. Mechanical, Aerospace, or Chemical).
  • 7+ years of experience working with fluids systems
  • Strong engineering fundamentals in thermodynamics, fluid dynamics, and heat transfer.
  • Experience with one or more fluid or thermal modeling tools for internal compressible and incompressible analysis
  • Familiarity with programming languages such as Matlab, Python, or C++
  • Proven ability to practically apply engineering fundamentals to solve real, complex problems

Nice to haves but not required:

  • 10+ years experience in a fast-paced aerospace environment where you have completed difficult projects while collaborating effectively with other key groups.
  • Experience with launch vehicles and spacecraft.

Tagged as: heat transfer, Matlab, python, C++, thermodynamics

Visit Us On LinkedinVisit Us On FacebookVisit Us On Twitter