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Space Mechanical jobs in Long Beach, CA

16 open roles, verified daily

Mechanical Engineering, Thermal Control Systems Verified today

Vast · Long Beach, CA · MechanicalDesign and own thermal control systems for Haven, our artificial-gravity space station. You'll drive heat exchanger, cold plate, and heat pipe designs from concept through flight, leading analyses, testing, and integration across avionics and software teams.$86,100 to $122,220 per yearOn site

Mechanical Engineering, Thermal Control Systems (New Grad) Verified today

Vast · Long Beach, CA · MechanicalDesign and develop thermal control components like heat exchangers, cold plates, and heat pipes for Haven Station. You'll perform thermal analyses, run development tests, and work hands-on with technicians to build and troubleshoot hardware that keeps our artificial-gravity space station operational.$86,100 to $122,220 per yearOn siteEarly career

Senior Spacecraft Thermal Engineer I Verified today

Rocket Lab · Long Beach, CA · MechanicalYou'll own the thermal design, modeling, and testing of Rocket Lab's space vehicles, from trade studies through validation using test and in-flight data. Work with design and test teams to solve thermal challenges for components bound for the Moon, Mars, and beyond.$135,475 to $194,075 per yearOn site

Senior Spacecraft Thermal Engineer II Verified today

Rocket Lab · Long Beach, CA · MechanicalYou'll own thermal modeling, design trade studies, and validation testing for Rocket Lab's space vehicles. Work with test and design teams to optimize thermal performance across complete spacecraft and subsystems bound for Moon, Mars, and beyond.$164,500 to $255,275 per yearOn site

Senior Materials & Processes Engineer, Thermal Protection Systems & Soft Goods Verified today

Relativity Space · Long Beach, CA · MechanicalOwn thermal protection systems and non-metallic soft goods for Terran R, from material selection through flight qualification and reuse. You'll drive test campaigns, develop specifications, and collaborate across manufacturing, design, and reliability teams to enable the rocket's first flight and beyond.$124,000 to $186,000 per yearOn site

Spacecraft Thermal Engineer I Verified today

Rocket Lab · Long Beach, CA · MechanicalYou'll own thermal design, modeling, and testing for Rocket Lab's space vehicles. Work with test and design engineers to validate thermal performance, conduct design trade studies, and resolve thermal issues for spacecraft components destined for orbit.$90,150 to $126,425 per yearOn siteEarly career

Lead Manufacturing Engineer, Thermal Control Systems Verified today

Vast · Long Beach, CA · MechanicalLead the thermal control systems manufacturing team developing pumps, fluid loops, coldplates, and heaters for Haven Station. Own production readiness, build execution, and process qualification while mentoring engineers and partnering with design to drive manufacturability.$120,000 to $194,000 per yearOn site

Spacecraft Thermal Engineer II Verified today

Rocket Lab · Long Beach, CA · MechanicalYou'll own the thermal design, analysis, and testing of Rocket Lab's space vehicles. Lead thermal modeling, conduct trade studies, design component tests, and validate performance against in-flight data to keep missions within performance margins.$110,875 to $143,625 per yearOn site

Mechanical Engineer II, Thermal Control Systems Verified today

Vast · Long Beach, CA · MechanicalOwn the design and development of thermal control systems and components for our artificial-gravity space station, from initial design trades through production and orbit insertion. You will iterate on manufacturing processes, perform systems engineering and fluid analyses, and lead design reviews with suppliers and customers.$112,340 to $159,468 per yearOn site

Senior Mechanical Engineer, Thermal Control Systems Verified today

Vast · Long Beach, CA · MechanicalOwn the design and development of thermal control systems and components for artificial-gravity space stations, from initial design trades through validated flight hardware. You'll lead project delivery, perform systems engineering and fluid analyses, and work across interdisciplinary teams to ensure integration and manufacturability.$137,760 to $195,552 per yearOn site

Senior Thermal Engineer Verified today

Vast · Long Beach, CA · MechanicalOwn thermal architecture and analysis for a high-power 15kW satellite bus designed to scale to hundreds of spacecraft per year. You'll drive thermal design decisions from architecture trade studies through flight delivery, tackling high-power-density challenges including Nvidia compute payloads and multiple thermal configurations.$147,600 to $209,520 per yearOn site

Staff Thermal Engineer Verified today

Vast · Long Beach, CA · MechanicalYou will develop and optimize thermal control systems for Haven Station, Vast's next-generation commercial space stations. Lead thermal analysis, coordinate with other engineering disciplines, and execute thermal vacuum testing to solve critical spacecraft thermal challenges.$175,480 to $249,096 per yearOn site

Thermal Fluids Design Reliability Engineer Verified today

Vast · Long Beach, CA · MechanicalYou will shepherd Haven-1's thermal, environmental control, and life support systems from design through build and test, ensuring they operate reliably over their intended lifespan without failure. Lead FMEA, design reviews, and test campaigns for the world's first commercial human-rated space station.$162,360 to $265,392 per yearOn site

Thermal Engineer (II or III) Verified today

True Anomaly · Denver, CO +1 more · MechanicalDesign and analyze thermal systems for autonomous spacecraft and space-based interceptors. You will perform integrated thermal analysis, size heaters and radiators, develop thermal control component drawings, and support vacuum testing and on-orbit operations across multiple design reference missions.$95,000 to $190,000 per yearOn site

Thermal Engineer (Senior or Staff) Verified today

True Anomaly · Denver, CO +1 more · MechanicalDesign and analyze thermal control systems for True Anomaly's autonomous spacecraft and space-based interceptors. You will own integrated thermal analysis, heater and radiator sizing, and thermal vacuum testing across design reference missions.$160,000 to $285,000 per yearOn site

Senior Thermal Engineer Verified today

Relativity Space · Long Beach, CA · MechanicalYou will own the thermal architecture and development of systems like insulation, heaters, and thermal protection for Terran R, Relativity's reusable launch vehicle. Drive component and vehicle-level thermal analysis, lead testing campaigns, and collaborate across hardware and operations teams to solve extreme environment challenges.$132,000 to $198,000 per yearOn site