Design Engineer (Combustion Devices) Arbor EnergyDesign Engineer (Combustion Devices)El Segundo, CaliforniaOur advanced power systems deliver clean, reliable baseload electricity with zero operating emissions—modular, fuel-flexible, and engineered for the realities of today’s energy demand. Our team includes aerospace engineers, combustion experts, and systems thinkers with a shared goal: to build technology worthy of the world we want to live in.
Sr. Thermodynamics Performance Engineer Arbor EnergySr. Thermodynamics Performance EngineerEl Segundo, California$165,000–$180,000 / yearYou'll be the person who turns integrated system behavior into clear, actionable insight — running performance studies ahead of test campaigns, reconciling predictions against test data, and growing our modeling capability into a digital-twin-quality simulation platform that supports controls development, trip response, and eventual hardware-in-the-loop testing. Deep experience with industry dynamic simulation platforms (such as GT-SUITE, Modelica/Dymola, NPSS, Flownex, Simcenter Amesim, or equivalent) applied to turbomachinery, power cycles, or closed-loop thermal-fluid systems.
Sr. Heat Exchanger Engineer Arbor EnergySr. Heat Exchanger EngineerEl Segundo, California$165,000–$180,000 / yearLead in-house design and development of advanced compact heat exchangers, including printed circuit heat exchangers (PCHEs) and components produced by additive manufacturing (AM) in materials such as 316SS, Inconel 625, and Haynes 282; apply design for additive manufacturing (DfAM) principles to translate geometric freedom into manufacturable, high-performing hardware. Own the thermal-hydraulic design of all heat exchangers in the Arbor power system—recuperators, precoolers, primary heat exchangers, and water and air coolers—from conceptual sizing through detailed design, balancing performance, pressure drop, and cost.
Lead Combustion Engineer Arbor EnergyLead Combustion EngineerEl Segundo, California$170,000–$185,000 / yearOur Lead Combustion Engineer serves as the technical authority pioneering our rocket-inspired, high-pressure oxy-fuel combustion systems - integral in delivering carbon-neutral and carbon-negative power cycles at scale. Our advanced power systems deliver clean, reliable baseload electricity with zero operating emissions—modular, fuel-flexible, and engineered for the realities of today’s energy demand.
Combustion Analysis Engineer Arbor EnergyCombustion Analysis EngineerEl Segundo, California$130,000–$150,000 / yearOur advanced power systems deliver clean, reliable baseload electricity with zero operating emissions—modular, fuel-flexible, and engineered for the realities of today’s energy demand. We're looking for a Combustion Analysis Engineer to perform fluid, thermal, and structural analyses on our novel combustion systems—bringing high-performance engineering to the fight against climate change.
Thermodynamics Performance Engineer Arbor EnergyThermodynamics Performance EngineerEl Segundo, California$140,000–$155,000 / yearYou'll be the person who turns integrated system behavior into clear, actionable insight — running performance studies ahead of test campaigns, reconciling predictions against test data, and growing our modeling capability into a digital-twin-quality simulation platform that supports controls development, trip response, and eventual hardware-in-the-loop testing. Deep experience with industry dynamic simulation platforms (such as GT-SUITE, Modelica/Dymola, NPSS, Flownex, Simcenter Amesim, or equivalent) applied to turbomachinery, power cycles, or closed-loop thermal-fluid systems.
Network Infrastructure Engineer Arbor EnergyNetwork Infrastructure EngineerEl Segundo, California$140,000–$165,000 / yearDesign and execute enterprise and mission-critical network architectures across offices, test facilities, and remote environments, with deep hands-on expertise in routing protocols (BGP, OSPF), L2/L3 design, VPC/VDC, Spanning Tree, VRF, VTP, VLANs, VPNs, site-to-site connectivity, and secure tunneling architectures. Familiarity with IEEE 1588 Precision Time Protocol (PTP) and experience designing or supporting time-synchronized network architectures for data acquisition, telemetry, industrial control, or distributed systems environments is preferred.
2026 Propulsion Engineer The Aerospace Corp2026 Propulsion EngineerEl Segundo, CA$100,000–$140,000 / yearThe Solid Motors and Propulsion Technologies section is looking for a candidate who will assess and analyze solid rocket motor internal ballistics, solid propellant combustion, ablative nozzle erosion, combustion stability & acoustic modeling, and motor performance; develop analytical tools to integrate component-level analyses to evaluate rocket stage performance; and assist in the execution, design, and data analysis of laboratory experimentation of rocket propulsion technologies. Comprised primarily of highly-trained mechanical and aerospace engineers, VSD provides national expertise in the areas of vehicle engineering; guidance, navigation, and controls; robotics; electro-mechanical devices; embedded systems; fluid mechanics; propulsion; thermal control; mechanisms; structures; structural dynamics; and dynamic environments.
Power Electronics Engineer - Spacecraft Systems Approach VenturePower Electronics Engineer - Spacecraft SystemsHawthorne, California$180,000–$220,000 / yearAs the company expands its engineering team, we are seeking a Power Electronics Engineer to lead the design and development of high-performance power processing hardware that serves as the electrical backbone of advanced propulsion systems. You will work closely with propulsion, avionics, software, and systems engineers to deliver reliable, flight-ready power electronics capable of operating in challenging space environments.
Mechanical Design Engineer - Advanced Spacecraft Propulsion Approach VentureMechanical Design Engineer - Advanced Spacecraft PropulsionHawthorne, California$130,000–$180,000 / yearYou will design precision mechanical components, perform structural and thermal analysis, build and test hardware, and work closely with multidisciplinary engineering teams to deliver reliable propulsion systems capable of operating in demanding space environments. Our team combines experience from leading aerospace organizations with the agility of a venture-backed startup, creating an environment where engineers have significant ownership, move quickly, and directly influence product development from concept through flight.
Turbomachinery Engineer (Raptor) SpaceXTurbomachinery Engineer (Raptor)Hawthorne, CA$100,000–$117,500 / yearTo 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. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.
Propulsion Engineer (Raptor Combustion Devices) SpaceXPropulsion Engineer (Raptor Combustion Devices)Hawthorne, CA$100,000–$130,000 / yearTo 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. Responsible engineer for engine combustor hardware, owning the success of design and requirements, delivery of production hardware at target throughput rates, and reliable operating performance at the integrated engine and vehicle level.
Sr. Propulsion Engineer (Raptor Combustion Devices) SpaceXSr. Propulsion Engineer (Raptor Combustion Devices)Hawthorne, CA$135,000–$215,000 / yearTo 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. Responsible engineer for engine combustor hardware, owning the success of design and requirements, delivery of production hardware at target throughput rates, and reliable operating performance at the integrated engine and vehicle level.
Robotics Engineer DZYNE TechnologiesRobotics EngineerIrvine, CaliforniaPosition: Robotics Engineer Location: Irvine, CA Work Arrangement: On-site Position Description: We are seeking a Robotics / UAV GNC Engineer to design, implement, and test advanced autonomy and control systems for unmanned aerial vehicles and robotic platforms. Execute flight simulation and bench-level validation prior to flight testing, using software-in-the-loop (SIL), hardware-in-the-loop (HIL), or other environments to verify control logic, payload interactions, and system behavior before live operations.
AI Trainer – Aeronautical Engineers - CAD Expertise (Remote Advisory - US) Prolific Academic LtdAI Trainer – Aeronautical Engineers - CAD Expertise (Remote Advisory - US)Los Angeles, CARemoteFixed-wing glider maximizing glide distance (4 printed parts); propeller blade optimizing static thrust; rocket fin set minimizing drag while maintaining stability; drone frame minimizing weight subject to impact survival. We've built a unique platform that connects researchers and companies with a global pool of participants, enabling the collection of high-quality, ethically sourced human behavioural data and feedback.
Manufacturing Engineer I, Paint And TPS Relativity SpaceManufacturing Engineer I, Paint And TPSLong Beach, CA$90,000–$136,000 / yearWorking experience with at least 2 of the following processes: adhesive bonding, soft goods manufacturing, coating processes, machining, mechanical fastening and torquing operations, trim and drill operations, composites manufacturing, critical lifting, tool design and fabrication, work center development. Any unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role.
Manufacturing Engineer II, Primary Structures Relativity SpaceManufacturing Engineer II, Primary StructuresLong Beach, CA$104,000–$156,000 / yearAny unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role. Collaborate closely with a diverse team of engineers specializing in design, manufacturing, and reliability, as well as internal production teams and external vendors, leveraging their collective expertise to drive progress.
Senior Manufacturing Engineer, Primary Structures Relativity SpaceSenior Manufacturing Engineer, Primary StructuresLong Beach, CA$122,000–$182,000 / yearAny unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role. Collaborate closely with a diverse team of engineers specializing in design, manufacturing, and reliability, as well as internal production teams and external vendors, leveraging their collective expertise to drive progress.
Staff Manufacturing Engineer, Primary Structures Relativity SpaceStaff Manufacturing Engineer, Primary StructuresLong Beach, CA$143,000–$215,000 / yearAny unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role. Collaborate closely with a diverse team of engineers specializing in design, manufacturing, and reliability, as well as internal production teams and external vendors, leveraging their collective expertise to drive progress.
Thermal/Fluids Engineer III - ZBO Blue OriginThermal/Fluids Engineer III - ZBOLos Angeles, Washington$130,706–$182,987.70 / yearand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.