105 propulsion systems development engineer jobs at 34 companies in United States
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Lead Propulsion Systems Development Engineer
Alameda, California, United States
$200k-$240k/yrOnsiteFull Time
Astra Space Operations: Private U.S. aerospace operator providing dedicated small-launch services and on-orbit mobility for small satellites.
10+ YOE10+ years propulsion experience, bachelor’s in aerospace/mechanical engineering, expertise in liquid rocket engines, requirements/interface management, test and qualification, and technical leadership.
BETA TechnologiesNYSE: BETA: Public aerospace manufacturer making electric aircraft and charging systems for cargo, defense, passenger, and medical operators.
3+ YOEUndergraduate engineering degree, 3+ years performing ARP4754A/ARP4761 or equivalent, experience with 14 CFR, requirements-based testing for electronic systems, structured development process experience.
Senior Propulsion Development Engineer (Thrusters)
Redondo Beach, California, United States
$135k-$155k/yrOnsiteFull Time
Impulse Space: Develops in-space transportation infrastructure and orbital transfer vehicles.
5+ YOESenior propulsion engineer with 5+ years in aerospace propulsion; bipropellant thruster experience; hands-on fluid/thermodynamics/structure; system trades and cross-functional leadership.
Rocket LabNASDAQ: RKLB: End-to-end space delivering launch services and spacecraft.
5+ YOEBachelor's in engineering,5+ years propulsion system development experience,US citizenship or equivalent eligibility,expertise in propulsion modelling and systems engineering,experience with test planning and hardware integration.
True Anomaly: Delivering decisive capabilities for space superiority and security.
8+ YOEBachelors in engineering, 8+ years in propulsion or fluid systems test engineering, experience defining test-stand requirements, conducting trade studies, facility design support, and strong written/verbal communication.
Rocket Lab Space Systems Inc.: Canadian spacecraft-components manufacturer supplying satellite hardware for commercial, civil, defense, and intelligence missions.
8+ YOEBachelor's in engineering, 8+ years propulsion development experience, US eligibility for ITAR-regulated work, expertise in propulsion modelling, systems engineering, testing, and technical leadership.
Inversion Space: Privately held aerospace building autonomous reentry vehicles for defense, logistics, and rapid cargo delivery from orbit.
5+ YOEBachelor's degree in aerospace or mechanical engineering or equivalent experience, 5+ years designing, building, and testing high-pressure fluid or rocket propulsion systems, CAD expertise, and clearance eligibility.
Wardstone: Private U.S. defense-tech startup building modular interceptors for air-breathing and ballistic missile defense.
Bachelor's degree in engineering, propulsion or high-pressure systems experience, solid rocket motor development through static fire, hands-on propulsion testing, and aerospace hardware design experience. US person or lawful permanent resident required.
Voyager TechnologiesNYSE: VOYG: Develops defense and space technology systems.
6+ YOEBachelor's degree in mechanical or aerospace engineering and 6+ years developing rocket propulsion systems, including cryogenic propellants and high-pressure fluid or pneumatic systems.
Agile Space Industries: Private manufacturer of chemical rocket propulsion systems, testing them for commercial, civil, and national-security spacecraft missions.
12+ YOEM.S. or equivalent experience; 12+ years developing propulsion systems with expertise in fluid dynamics, heat transfer, combustion, hypergolic propulsion, performance modeling, testing, and mentorship.
United Launch Alliance: Private 50-50 aerospace joint venture providing rocket launch services for government and commercial customers.
4+ YOEBachelor's in mechanical/aerospace engineering, 4+ years industry experience, pneumatic or cryogenic systems experience, requirements development, Linux familiarity; Java/Python and software testing preferred; must be U.S. Person (ITAR).
Quantum Space: Private U.S. space-defense building maneuverable spacecraft for national-security, civil, and commercial operators.
3+ YOEBachelor's/Master's/PhD in aerospace, mechanical, or related engineering; 3+ years developing propulsion systems/tanks/pumps; experience with design, analysis, fabrication, testing, integration; ability to drive technical work independently.
Senior Propulsion Development Engineer, Ground Fluids
El Segundo or Washington or Huntsville
$140k-$232k/yrOnsiteFull Time
Varda Space Industries: Varda is a microgravity-enabled life sciences that processes materials in orbit and returns them to Earth.
3+ YOEB.S. in aerospace/mechanical engineering or equivalent, 3+ years propulsion fluid systems experience, proficiency with Piping and Instrumentation Diagrams, CAD and PLM, hands‑on fluid hardware and test/operations experience, and ability to author procedures.
Piping and Instrumentation Diagrams (P&IDs), CAD, PLM
StellantisNYSE: STLA: Global automotive manufacturer and provider of innovative mobility solutions.
5+ YOEBachelor's degree in mechanical or related engineering and 5+ years in propulsion, powertrain, engine systems, or high-performance vehicle development. Requires 3D CAD, engine systems, manufacturing, GD&T, and communication skills.
StellantisNYSE: STLA: Global automotive manufacturer and provider of innovative mobility solutions.
5+ YOEBachelor's degree in mechanical or related engineering, 5+ years in propulsion or high-performance vehicle development, 3D CAD proficiency, engine systems knowledge, GD&T, and strong communication skills.
AMERICAN SYSTEMS: Government services contractor delivering IT and engineering solutions.
6+ YOEBachelor's in mechanical engineering, 6+ years developing ship propulsion and control systems, ability to obtain Secret clearance, U.S. citizenship required, experience with machinery arrangements and trade studies.
Relativity Space: Aerospace developing 3D-printed rockets and launch services.
Bachelor’s degree in science/engineering/technology/mathematics; hands-on hardware experience with fluid or mechanical systems; proven ability to meet ambitious schedules with practical solutions.
Joby AviationNYSE: JOBY: Developing electric vertical take-off and landing (eVTOL) aircraft.
5+ YOEB.S. in Engineering/Physics/Math required; 5+ years aerospace experience in flight/propulsion control; systems engineering, requirements management, safety assessment, and strong English writing and collaboration skills.
Shield AI: Developer of AI-powered autonomous systems for defense and aerospace.
Bachelor's degree in aerospace, mechanical, or related engineering; 7–10+ years in aerospace propulsion, fluid systems, or hardware development; engineering leadership experience; U.S. citizenship or ITAR compliance.