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.
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.
Senior Robotics Software Engineer Gilmour Space Technologies Pty LtdSenior Robotics Software EngineerCA
Design and Analysis Engineer 3 The Structures Company, LLCDesign and Analysis Engineer 3Long Beach, CABachelor of Science degree in Engineering (Electrical, Mechanical, Aeronautical), Computer Science, Data Science, Mathematics, Physics, Chemistry, or non-US equivalent directly related to the work statement. As trusted partners to leading aerospace and defense OEMs and Tier 1 suppliers, we connect professionals with career opportunities to grow and excel in aviation, aerospace, and defense.
Electrical Design and Analysis Engineer 5 The Structures Company, LLCElectrical Design and Analysis Engineer 5El Segundo, CABachelor of Science degree in Engineering (specializing in Electrical, Mechanical, or Aeronautical), Computer Science, Data Science, Mathematics, Physics, or Chemistry, or equivalent non-US qualifications relevant to the job description. As trusted partners to leading aerospace and defense OEMs and Tier 1 suppliers, we connect professionals with career opportunities to grow and excel in aviation, aerospace, and defense.
Electrical Design and Analysis Engineer 4 The Structures Company, LLCElectrical Design and Analysis Engineer 4El Segundo, CABachelor of Science degree in Engineering (specializing in Electrical, Mechanical, or Aeronautical), Computer Science, Data Science, Mathematics, Physics, or Chemistry, or equivalent non-US qualifications relevant to the job description. As trusted partners to leading aerospace and defense OEMs and Tier 1 suppliers, we connect professionals with career opportunities to grow and excel in aviation, aerospace, and defense.
Component Engineer, SME Bastion TechnologiesComponent Engineer, SMEPasadena, CARemote$165,000–$200,000 / yearExperience must include expert knowledge in one or more of the following areas - RF Parts, Hybrid Parts, Magnetics, Photonics, VLSI Microelectronics, or Passives Parts in support of parts development, fabrication, manufacturing, process integration, reliability assessment, and test and/or qualification. Provide technical oversight of flight electronic parts tasks including the creation of engineering requirements specifications and drawings, and advising projects on part selections maximizing reliability while considering cost and schedule constraints.
Components Engineer, Sr. Bastion TechnologiesComponents Engineer, Sr.Pasadena, CARemote$140,000–$165,000 / yearExperience must include expert knowledge in one or more of the following areas - RF Parts, Hybrid Parts, Magnetics, Photonics, VLSI Microelectronics, or Passives Parts in support of parts development, fabrication, manufacturing, process integration, reliability assessment, and test and/or qualification. Provide technical oversight of flight electronic parts tasks including the creation of engineering requirements specifications and drawings and advising projects on part selections maximizing reliability while considering cost and schedule constraints.
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.
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.
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.
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.
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.
Thermodynamics Performance Engineer Arbor EnergyThermodynamics Performance EngineerEl Segundo, CaliforniaYou'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.
Design Engineer - Turbomachinery Arbor EnergyDesign Engineer - TurbomachineryEl Segundo, California$110,000–$135,000 / yearArbor’s team of world-class engineers and scientists aredeveloping a scalable, low-cost approach to Bioenergy with Carbon Capture and Storage (BECCS) based on modern rocket engine technology. BECCS is a carbon dioxide removal (CDR) approach that uses biomass to produce energy and remove CO from the atmosphere and store it permanently underground, while ensuring food security, rural livelihoods, and biodiversity are not affected.
Sr. Combustion Engineer (Syngas Oxyfuel) Arbor EnergySr. Combustion Engineer (Syngas Oxyfuel)El Segundo, California$150,000–$175,000 / yearCombustion Engineer (Syngas Oxyfuel) helps pioneer our rocket-derived, high-pressure combustion systems for carbon-negative power cycles, burning our biomass-produced syngas in a high efficiency combustor. In this role, you’ll take syngas oxy-combustion from lab-scale characterization to implementation running off of gasifier syngas within a year and carry what you learn into the development of fuel-flexible combustors at the heart of our commercial product.
Sr. Heat Transfer Engineer - Turbomachinery Arbor EnergySr. Heat Transfer Engineer - TurbomachineryEl Segundo, California$150,000–$175,000 / yearArbor’s team of world-class engineers and scientists aredeveloping a scalable, low-cost approach to Bioenergy with Carbon Capture and Storage (BECCS) based on modern rocket engine technology. BECCS is a carbon dioxide removal (CDR) approach that uses biomass to produce energy and remove CO from the atmosphere and store it permanently underground, while ensuring food security, rural livelihoods, and biodiversity are not affected.