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Sr. Software Engineer, Propulsion Simulation & Data Analysis (Raptor)

SpaceX

$160,000 - $220,000
Oct 17, 2025
Hawthorne, CA, US
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SpaceX is looking to solve the business and technical problem of developing rapid, seamless processes to translate engine test data into accurate predictions of future performance for the Raptor rocket engines, guiding engine design and mission operations.

Requirements

  • 5+ years of professional experience writing computer software
  • 2+ years of professional experience with physics-based simulations of real dynamic systems
  • Dynamical systems modeling
  • Experience with lumped parameter modeling of physical systems
  • Experience implementing physics-informed neural networks to solve real-world engineering problems
  • Data driven analysis of complex systems
  • Experience inferring root cause from sparse measurements

Responsibilities

  • Maintain and improve the accuracy of the lumped-parameter thermofluid physics model of the Raptor engine
  • Conduct engine cycle analysis to steer future-state engine design and thrust upgrades
  • Conduct anomaly resolution utilizing the engine model and sparse instrumentation
  • Develop a detailed understanding of the physics underlying rocket engine performance, sources of performance variability, as well as related modeling and measurement techniques
  • Maintain and improve the accuracy of the representation of the Raptor engine used in integrated vehicle simulations, control software validation and flight Monte Carlo analysis
  • Develop tools and portals to understand the sources of engine performance variability and enact improvements to manufacturing and engine hardware design
  • Automate processes and software tools that are used to predict test performance and generate flight performance predictions for GNC (guidance, navigation, and control) and flight software

Other

  • Bachelor's degree in computer science, engineering, or a STEM discipline
  • Strong written and verbal communication skills, ability to make presentations to team members, internal customers and management
  • To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.
  • SpaceX is an Equal Opportunity Employer
  • Applicants requiring reasonable accommodation to the application/interview process should reach out to EEOCompliance@spacex.com