{"schemaVersion":"jobsearcher.job.v1","id":"77ae54e79b694b206658f012","url":"https://jobsearcher.com/jobs/77ae54e79b694b206658f012","canonicalUrl":"https://jobsearcher.com/jobs/77ae54e79b694b206658f012","title":"Software Engineer, Propulsion Simulation & Data Analysis","description":"Software Engineer, Propulsion Simulation & Data Analysis\r\nHawthorne, CASpaceX was founded under the belief that a future where humanity is exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.The Raptor Systems Modeling and Control Team is responsible for the power‑balance, optimal control, and calibration of one of the world’s most prolific and advanced rocket engines. The team aids in root‑cause analysis for anomaly resolution, providing data and model‑driven insights supporting operations and components teams in high‑consequence decision making. Our models and analysis are relied upon day‑in-and‑day‑out to evaluate the safety and optimality of flight trajectories. With hundreds of engines, hundreds of simulations, and hundreds of hot‑fire operations, the work we do guides both the engine design process and operation of every single mission and engine test. In this role you will work with brilliant, passionate engineers to develop rapid, seamless processes to translate engine test data into accurate predictions of future performance for the most reliable and cutting‑edge rocket engines in the world.ResponsibilitiesMaintain and improve the accuracy of the lumped‑parameter thermofluid physics model of the Raptor engineConduct engine cycle analysis to steer future‑state engine design and thrust upgradesConduct anomaly resolution utilizing the engine model and sparse instrumentationDevelop a detailed understanding of the physics underlying rocket engine performance, sources of performance variability, and related modeling and measurement techniquesMaintain and improve the accuracy of the representation of the Raptor engine used in integrated vehicle simulations, control software validation and flight Monte‑Carlo analysisDevelop tools and portals to understand the sources of engine performance variability and enact improvements to manufacturing and engine hardware designAutomate processes and software tools that are used to predict test performance and generate flight performance predictions for GNC (guidance, navigation, and control) and flight softwareCollaborate 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 obsolescenceBasic QualificationsBachelor’s degree in computer science, engineering, or a STEM discipline1+ year experience writing computer software1+ year experience with physics‑based simulations of real dynamic systemsPreferred Skills and ExperienceDynamical systems modelingExperience with lumped parameter modeling of physical systemsExperience implementing physics‑informed neural networks to solve real‑world engineering problemsData driven analysis of complex systemsExperience inferring root cause from sparse measurementsDemonstrable proficiency in the basic principles of compressible and incompressible flow, thermodynamics, thermochemistry, mechanics, and materialsStrong written and verbal communication skills, ability to make presentations to team members, internal customers and managementExperience building data pipelines providing sanitization, curation, visualization, exploration to high dimensional datasetsExperience working with or simulating combustion engines or fluid systemsBackend Development: deliver well‑tested, performant, and maintainable Python, C#/.NET, C++ or Java codeExperience with version control, continuous integration, Unix‑like operating systemsExperience with control feedback loop design and implementationExperience with numerical analysis techniques and signal processing in multiple domainsCompensation and Benefits\r\nPay range:\r\nLevel I: $125,000.00 – $150,000.00 per year\r\nLevel II: $145,000.00 – $175,000.00 per yearLong‑term incentives in the form of company stock, stock options, or long‑term cash awards, discretionary bonuses and Stock Purchase Plan participationMedical, vision, dental coverage, 401(k) retirement plan, short‑ and long‑term disability insurance, life insurance, paid parental leave, and other discounts and perksThree weeks of paid vacation and 10 or more paid holidays per year; paid sick leave pursuant to Company policyTo conform to U.S. Government export regulations, applicant must be a U.S. citizen or national, U.S. lawful permanent resident, refugee under 8 U.S.C. § 1157, or 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; employment is governed on the basis of merit, competence and qualifications and will not be influenced by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.#J-18808-Ljbffr","company":"Space Exploration Technologies","rawCompany":"space exploration technologies","city":"Hawthorne","state":"CA","isRemote":false,"isActive":true,"createdAt":"2026-11-04T02:54:52.051Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"17-2011.00","title":"Aerospace Engineers","slug":"aerospace-engineers"},{"code":"17-2199.00","title":"Engineers, All Other","slug":"engineers-all-other"}],"industries":[{"code":"336415","title":"Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing","slug":"guided-missile-and-space-vehicle-propulsion-unit-and-propulsion-unit-parts-manufacturing"},{"code":"541330","title":"Engineering Services","slug":"engineering-services"},{"code":"541715","title":"Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)","slug":"research-and-development-in-the-physical-engineering-and-life-sciences-except-nanotechnology-and-biotechnology"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Software Engineer, Propulsion Simulation & Data Analysis","description":"Software Engineer, Propulsion Simulation & Data Analysis\r\nHawthorne, CASpaceX was founded under the belief that a future where humanity is exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.The Raptor Systems Modeling and Control Team is responsible for the power‑balance, optimal control, and calibration of one of the world’s most prolific and advanced rocket engines. The team aids in root‑cause analysis for anomaly resolution, providing data and model‑driven insights supporting operations and components teams in high‑consequence decision making. Our models and analysis are relied upon day‑in-and‑day‑out to evaluate the safety and optimality of flight trajectories. With hundreds of engines, hundreds of simulations, and hundreds of hot‑fire operations, the work we do guides both the engine design process and operation of every single mission and engine test. In this role you will work with brilliant, passionate engineers to develop rapid, seamless processes to translate engine test data into accurate predictions of future performance for the most reliable and cutting‑edge rocket engines in the world.ResponsibilitiesMaintain and improve the accuracy of the lumped‑parameter thermofluid physics model of the Raptor engineConduct engine cycle analysis to steer future‑state engine design and thrust upgradesConduct anomaly resolution utilizing the engine model and sparse instrumentationDevelop a detailed understanding of the physics underlying rocket engine performance, sources of performance variability, and related modeling and measurement techniquesMaintain and improve the accuracy of the representation of the Raptor engine used in integrated vehicle simulations, control software validation and flight Monte‑Carlo analysisDevelop tools and portals to understand the sources of engine performance variability and enact improvements to manufacturing and engine hardware designAutomate processes and software tools that are used to predict test performance and generate flight performance predictions for GNC (guidance, navigation, and control) and flight softwareCollaborate 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 obsolescenceBasic QualificationsBachelor’s degree in computer science, engineering, or a STEM discipline1+ year experience writing computer software1+ year experience with physics‑based simulations of real dynamic systemsPreferred Skills and ExperienceDynamical systems modelingExperience with lumped parameter modeling of physical systemsExperience implementing physics‑informed neural networks to solve real‑world engineering problemsData driven analysis of complex systemsExperience inferring root cause from sparse measurementsDemonstrable proficiency in the basic principles of compressible and incompressible flow, thermodynamics, thermochemistry, mechanics, and materialsStrong written and verbal communication skills, ability to make presentations to team members, internal customers and managementExperience building data pipelines providing sanitization, curation, visualization, exploration to high dimensional datasetsExperience working with or simulating combustion engines or fluid systemsBackend Development: deliver well‑tested, performant, and maintainable Python, C#/.NET, C++ or Java codeExperience with version control, continuous integration, Unix‑like operating systemsExperience with control feedback loop design and implementationExperience with numerical analysis techniques and signal processing in multiple domainsCompensation and Benefits\r\nPay range:\r\nLevel I: $125,000.00 – $150,000.00 per year\r\nLevel II: $145,000.00 – $175,000.00 per yearLong‑term incentives in the form of company stock, stock options, or long‑term cash awards, discretionary bonuses and Stock Purchase Plan participationMedical, vision, dental coverage, 401(k) retirement plan, short‑ and long‑term disability insurance, life insurance, paid parental leave, and other discounts and perksThree weeks of paid vacation and 10 or more paid holidays per year; paid sick leave pursuant to Company policyTo conform to U.S. Government export regulations, applicant must be a U.S. citizen or national, U.S. lawful permanent resident, refugee under 8 U.S.C. § 1157, or 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; employment is governed on the basis of merit, competence and qualifications and will not be influenced by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.#J-18808-Ljbffr","datePosted":"2026-11-04T02:54:52.051Z","dateModified":"2026-11-04T02:54:52.051Z","hiringOrganization":{"@type":"Organization","name":"Space Exploration Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Hawthorne","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"77ae54e79b694b206658f012"},"url":"https://jobsearcher.com/jobs/77ae54e79b694b206658f012"}}