Senior Stage Propulsion Engineer

Join to apply for the Senior Stage Propulsion Engineer role at Relativity Space1 week ago Be among the first 25 applicantsJoin to apply for the Senior Stage Propulsion Engineer role at Relativity SpaceAt Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that’s just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known.Joining Relativity means becoming part of something where autonomy, ownership, and impact exist at every level. Here, you're not just executing tasks; you're solving problems that haven’t been solved before, helping develop a rocket, a factory, and a business from the ground up. Whether you’re in propulsion, manufacturing, software, avionics, or a corporate function, you’ll collaborate across teams, shape decisions, and see your work come to life in record time. Relativity is a place where creativity and technical rigor go hand in hand, and your voice will help define the stories we’re writing together. Now is a unique moment in time where it’s early enough to leave your mark on the product, the process, and the culture, but far enough along that Terran R is tangible and picking up momentum. The most meaningful work of your career is waiting. Join us.About The TeamThe Stage Fluids team designs and delivers the propellant, pressurant, pneumatics, and other fluid systems that turn structures into functioning rockets. The team has full ownership across design, production, test, and flight, maintaining a holistic view of Terran R, focused not on isolated parts but integrated functionality. Working on-site at the factory means you’re never far from the hardware, enabling rapid iteration and tight feedback loops across design and manufacturing. You won’t just be handed requirements: you’ll be expected to ask the right questions, collaborate with partners across the company, and ultimately find the best solutions for Terran R.About The RoleIn this role, you will be responsible for the mechanical and structural implementation of the stage fluid systems, ensuring a reliable and efficient operation of our Terran R launch vehicle.Fluids routing and design trade studiesFluids hardware mounting structure designFluid system hardware mechanical verification analysis including both hand calcs and FEAStructural design of mounting hardware for various fluid system component and routingIncorporate 3D printing methods and in fluid system mechanical designDesign for Manufacturing (DFM) and Design for Assembly (DFA)The right person for this role will need to be someone who enjoys leading the way for the team on exploring new methods and design approaches. They will have end to end ownership of their designs and immediately see hardware you designed come to fruition. They must be flexible to changes in strategic direction and willing to take full ownership of their projects to ensure we as a company are producing the best possible product while incorporating innovative production methods into their designs.About YouBachelor’s degree in mechanical or an equivalent engineering discipline5+ years mechanical design experienceExperience with a commercial CAD package (NX, CREO, Solidworks)Experience with GD&TProject ownership experienceManufacturing experience or experience interacting with vendorsExperience with fluid system components (fittings, seals, valves, regulators, etc.) and system testingExperience with FEA tools to analyze structural marginsAt Relativity Space, we are committed to transparency and fairness in our compensation practices. Actual compensation will be determined based on experience, qualifications, and other job-related pensation is only one part of our total rewards package. Relativity Space offers competitive salary and equity, a generous PTO and sick leave policy, parental leave, an annual learning and development stipend, and more! To see some of the benefits & perks we offer, please visit here.Hiring Range$142,000—$181,500 USDWe are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.Seniority levelSeniority levelMid-Senior levelEmployment typeEmployment typeFull-timeJob functionJob functionEngineering and Information TechnologyIndustriesAviation and Aerospace Component ManufacturingReferrals increase your chances of interviewing at Relativity Space by 2xSign in to set job alerts for “Propulsion Engineer” roles.Irvine, CA $70,000.00-$80,000.00 1 week agoPropulsion Engineer, Gasifier Integration (Starship)Propulsion Engineer (Merlin Flight Operations)Hawthorne, CA $95,000.00-$115,000.00 1 week agoManufacturing Engineer, Additive Manufacturing (Starship Propulsion)Hawthorne, CA $95,000.00-$115,000.00 1 week agoManufacturing Engineer (Avionics Harnessing)Hawthorne, CA $95,000.00-$115,000.00 1 week agoHawthorne, CA $95,000.00-$115,000.00 2 weeks agoLong Beach, CA $97,000.00-$124,300.00 1 week agoPropulsion Development Engineer (Nozzle)Redondo Beach, CA $135,000.00-$175,000.00 1 month agoHawthorne, CA $95,000.00-$115,000.00 5 days agoPropulsion Engineer, Components Manufacturing (Raptor)Hawthorne, CA $95,000.00-$115,000.00 1 week agoPropulsion Engineer, Structural Analyst (Merlin)Irvine, CA $120,000.00-$160,000.00 1 week agoInternship - Mechanical Engineer (Fluid Systems, Mechanisms, or Structures)Aerodynamics Engineer, Turbomachinery (Starship)Manufacturing Engineer, Machining (Starship Propulsion)Hawthorne, CA $95,000.00-$130,000.00 1 week agoPropulsion Manufacturing Engineer II, Integrated ComponentsLong Beach, CA $112,000.00-$143,000.00 1 week agoModeling & Simulation Systems Engineer 3 or 4 (AHT) - R10202651Carson, CA $95,000.00-$130,000.00 1 week agoCarson, CA $95,000.00-$130,000.00 1 week agoLos Angeles, CA $72,364.00-$110,519.85 2 weeks agoWe’re unlocking community knowledge in a new way. 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Created: 2025-09-17