Senior Mechanical Engineer, Mechanisms Radiant NuclearSenior Mechanical Engineer, MechanismsEl Segundo, CAPortable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases. Perform detailed thermomechanical analysis (static strength, durability/fatigue) and kinematic analysis to determine structural integrity and performance margins using both hand calculations and finite element tools.
Sr. Propulsion Engineer Raptor Flight Space Exploration Technologies CorpSr. Propulsion Engineer Raptor FlightHawthorne, CA$135,000–$215,000 / yearSoftware, Ground Systems, Stage Propulsion, Integration and Test, Guidance and Control) to achieve successful and reliable engine performance in flight and during ground vehicle testing, and to continuously refine the designs and practices for increased product reliability and reduced costs. Enable high launch cadence with unparalleled reliability through automated analysis of test and flight data; expand existing capabilities and develop new algorithms to improve reliability and thoroughness of all flight processes.
Principal Software Engineer, Connectivity RAVE Aerospace LLCPrincipal Software Engineer, ConnectivityBrea, CA$165,000–$187,000 / yearThis individual operates as the primary technical leader for the Connectivity product line, partnering closely with Engineering Leadership, Product Management, Systems Engineering, and international teams to deliver scalable, certifiable, and field-ready solutions. In addition to a comprehensive package of health benefits that include company contributions, Safran Passenger Innovations offers a variety of additional benefits and perks to enhance your work-life balance experience including but not limited to: A home allowance to elevate your home workspace.
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.
Space Vehicle Engineer The Aerospace CorpSpace Vehicle EngineerEl Segundo, CAMinimum Requirements: • Bachelors degree in engineering, mathematics, science, or related technical discipline • 12 years of experience in one or more of the following areas: mechanical design and analysis, design for manufacturing, optical-mechanical systems, environmental testing, propulsion, mechanisms, guidance and controls, thermal engineering, structures, • Conduct detailed technical analyses and apply knowledge independently with minimal guidance • Experience assembling and leading multi-disciplinary team members and working across departments, divisions, and customers • Demonstration of progressively increasing responsibilities in work assignments / projects • Willingness to travel occasionally to work location or customer site/domestically/internationally approx. 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; orbital mechanics; mechanisms; structures; structural dynamics; and dynamic environments.
Guidance, Navigation & Control (GNC) Engineer The Aerospace CorpGuidance, Navigation & Control (GNC) EngineerEl Segundo, CA$117,300–$175,900 / yearThe Guidance Analysis Department is seeking an experienced Guidance, Navigation, and Control (GNC) Engineer (Engineering Specialist - Guidance, Navigation and Control Engineering) to provide GNC support for launch vehicle, missile systems, and missile defense systems for a wide range of customers including the Space Force's Space Systems Command (SSC), the Missile Defense Agency, and other civil customers (e.g. 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; orbital mechanics; mechanisms; structures; structural dynamics; and dynamic environments.
Mechatronics Engineer The Aerospace CorpMechatronics EngineerEl Segundo, CA$117,300–$175,900 / yearComprised 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, orbital mechanics, mechanisms, structures, structural dynamics, and dynamic environments. We specialize in mission critical control sensors and actuators, including Electric Motors, Gyroscopes and IMUs, Accelerometers, Gimbals, Steering Mirrors, Encoders & Resolvers, Star Trackers, GPS Receivers, Capacitive & Inductive Sensors, Servo Mechanism, Thrust Vector Control Actuators, and Reaction Wheels.
Senior Electromechanical Engineer The Aerospace CorpSenior Electromechanical EngineerEl Segundo, CA$151,300–$226,900 / yearExperience in system engineering, launch vehicle systems, space vehicle control systems, space vehicle payload systems, mechanical design, additive manufacturing, structural analysis, dynamics, electronic circuit design and analysis, optics, GPS receiver testing, servo mechanism performance evaluation, small satellite development, unmanned aircraft systems, or robotics. 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; orbital mechanics; mechanisms; structures; structural dynamics; and dynamic environments.
Embedded Software Test Engineer The Aerospace CorpEmbedded Software Test EngineerEl Segundo, CA$86,600–$150,400 / yearComprised 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; orbital mechanics; mechanisms; structures; structural dynamics; and dynamic environments. The Vehicle Systems Division (VSD) sits at the center of the ideas and data behind current and future systems supplying innovative research and development; technical evaluations during the acquisition process; conceptual and detailed design; assembly, integration, and test; and operational support.
Propulsion Engineer The Aerospace CorpPropulsion EngineerEl Segundo, CA$100,300–$175,900 / yearComprised 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; orbital mechanics; mechanisms; structures; structural dynamics; and dynamic environments. Minimum Requirements for Senior Member of Technical Staff - Propulsion Engineering: Master's degree from an accredited college/university program in Aerospace, Mechanical, Chemical, or Materials Science Engineering, Physics, or a related technical field.
Electromechanical Controls Engineer (Electric Motor Specialist) The Aerospace CorpElectromechanical Controls Engineer (Electric Motor Specialist)El Segundo, CA$117,300–$175,900 / yearComprised 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, orbital mechanics, mechanisms, structures, structural dynamics, and dynamic environments. We specialize in mission critical control sensors and actuators, including Electric Motors, Gyroscopes and IMUs, Accelerometers, Gimbals, Steering Mirrors, Encoders & Resolvers, Star Trackers, GPS Receivers, Capacitive & Inductive Sensors, Servo Mechanism, Thrust Vector Control Actuators, and Reaction Wheels.
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.
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.
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.
Design Engineer (Combustion Devices) Arbor EnergyDesign Engineer (Combustion Devices)El 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. 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. 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.
Manufacturing Engineer III Regal Rexnord CorpManufacturing Engineer IIISimi Valley, CA$110,000–$140,000 / yearThe Company's end markets benefit from meaningful secular demand tailwinds, and include factory automation, food & beverage, aerospace, medical, data center, warehouse, alternative energy, residential and commercial buildings, general industrial, construction, metals and mining, and agriculture. Salary is dependent on a multitude of factors, including but not limited to the physical worksite location, the geographic market of that location, candidate's skill set, level of experience, education and internal peer compensation comparisons among other potential factors.
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.
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.