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

SpaceX· Raptor Systems - Engineering
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Hawthorne, CA$165k - $230kfull-timePosted 4mo ago

About the role

Senior software engineer focusing on propulsion simulation and data analysis for the SpaceX Raptor engine, working on lumped-parameter thermofluid models, engine cycle analysis, anomaly resolution, and data-driven predictions to support design, testing, and flight operations.

Responsibilities

  • Maintain and improve the accuracy of the lumped-parameter thermofluid physics model of the Raptor engine
  • Conduce 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 and flight software
  • Collaborate with engineers across the company to extend and improve interoperability among existing tools as well as to standardize hardware and software practices, tools, and methods to maximize functionality and value while minimizing future overhead and obsolescence

Qualifications

  • Bachelor's degree in computer science, engineering, or a STEM discipline
  • 5+ year experience writing computer software
  • 5+ year experience with physics-based simulations of real dynamic systems

Skills

Nice to have:Dynamical systems modelingLumped parameter modelingPhysics-informed neural networksData-driven analysisRoot cause analysis from sparse measurementsMechanics and thermodynamics fundamentalsCommunicationData pipelinesCombustion engines / fluid systemsFull stack web developmentFrontend frameworksBackend development (Python, C#/.NET, C++, Java)Version control / CIControl feedback loop designNumerical analysis and signal processing

Benefits

  • long-term incentives, in the form of company stock, stock options, or long-term cash awards
  • potential discretionary bonuses
  • employee stock purchase plan
  • comprehensive medical, vision, and dental coverage
  • 401(k) retirement plan
  • short and long-term disability insurance
  • life insurance
  • paid parental leave
  • vacation and holidays
  • paid sick leave
Last updated Sep 23, 2026. Interested? Apply on the company site.

About SpaceX

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