Jobs in Long Beach, CA
319 open roles — posted here, and found on employers' own careers sites.
Senior Propulsion Engineer, Engine Base Heatshield
Relativity Space
Full-time · Long Beach, CA · $132,000 – $198,000
This role owns the design and testing of thermal protection systems for rocket engines that must survive extreme conditions during launch, landing, and reuse. It suits engineers with structural design experience who want to see their work fly and are comfortable collaborating across manufacturing, integration, and flight operations teams.
Listed on Relativity Space’s careers site · Apply there ↗
Manufacturing Engineer II, Integration & Test
Relativity Space
Long Beach, CA · $109,000 – $163,000
This role involves owning hardware development from design through manufacturing and testing for rocket engine and vehicle systems, requiring hands-on floor support and process optimization to scale production. You'll work cross-functionally to solve manufacturing challenges, improve repeatability, and help build the systems that enable rapid rocket production.
Listed on Relativity Space’s careers site · Apply there ↗
Senior Materials & Processes Engineer, Powder Bed Fusion (PBF)
Relativity Space
Full-time · Long Beach, CA · $124,000 – $186,000
This role owns the materials and processes strategy for additive-manufactured rocket engine components, qualifying metal parts for flight and reuse while driving manufacturing cost and rate improvements. It suits an experienced materials engineer with propulsion and powder bed fusion expertise who can navigate competing demands across design, manufacturing, and operations.
Listed on Relativity Space’s careers site · Apply there ↗
Senior Materials & Processes Engineer, Turbomachinery
Relativity Space
Long Beach, CA · $124,000 – $186,000
This role owns materials and processes for rocket engine turbomachinery components across design, qualification, and reuse cycles at a commercial launch company. It suits experienced materials engineers with aerospace turbomachinery background who want broad technical ownership and direct impact on vehicle development.
Listed on Relativity Space’s careers site · Apply there ↗
Senior Launch Mechanical Engineer
Relativity Space
Long Beach, CA · $124,000 – $170,500
Relativity Space seeks a mechanical engineer to develop structural, fluid, and system designs for their Terran R launch vehicle, working at the Cape where all vehicle systems integrate and launch operations occur. This role suits someone with 5+ years of experience in mechanical design and structural analysis who wants hands-on ownership of launch vehicle hardware and interfaces.
Listed on Relativity Space’s careers site · Apply there ↗
Staff Loads & Dynamics Engineer
Relativity Space
Long Beach, CA · $164,000 – $246,000
This role leads the development and maturation of dynamic analysis and loads criteria for Relativity's Terran R rocket, working across propulsion, structures, and operations teams to translate vehicle requirements into robust designs. It suits experienced aerospace engineers who excel at complex multi-disciplinary problem-solving, can mentor others, and thrive in fast-paced environments where technical depth drives hardware decisions.
Listed on Relativity Space’s careers site · Apply there ↗
Aerothermal Engineer II
Relativity Space
Long Beach, CA · $103,000 – $155,000
This role develops computational fluid dynamics analyses and designs aerothermal systems for a reusable rocket vehicle, guiding hardware engineers through the thermal challenges of launch and atmospheric entry. It suits engineers with compressible flow and CFD expertise who want to shape critical vehicle systems at a company building rockets from the ground up.
Listed on Relativity Space’s careers site · Apply there ↗
Sr Aerodynamics Engineer
Relativity Space
Long Beach, CA · $132,000 – $198,000
This senior role leads aerodynamics analysis and design for a reusable rocket vehicle, using computational fluid dynamics to solve stability, control, and thermal challenges across launch and reentry phases. It suits experienced CFD engineers who want to own critical vehicle systems and mentor hardware teams in a fast-moving startup environment.
Listed on Relativity Space’s careers site · Apply there ↗
Propulsion Test Responsible Engineer II
Relativity Space
Full-time · Long Beach, CA · $104,000 – $156,000
This role involves owning propulsion test campaigns for Relativity Space's Terran R rocket engine, from planning and execution through data analysis and troubleshooting. It suits engineers with 2+ years in complex systems development or test environments who want to move rapidly from concept to hardware in a startup setting.
Listed on Relativity Space’s careers site · Apply there ↗
Staff Mechanical Engineer, Factory Automation
Relativity Space
Long Beach, CA · $143,000 – $215,000
Relativity Space seeks a mechanical engineer to design and develop manufacturing tools, fixtures, and factory automation equipment for rocket production. This role suits someone with substantial experience in tooling design who thrives solving novel problems in a fast-paced manufacturing environment.
Listed on Relativity Space’s careers site · Apply there ↗
Senior Mechanical Engineer, Factory Automation
Relativity Space
Long Beach, CA · $122,000 – $182,000
You'll design and develop tooling, fixtures, and factory automation equipment that directly enables the production of Terran R rockets. This role suits experienced mechanical engineers who thrive in fast-paced environments, enjoy solving novel manufacturing challenges, and want to see their designs built and used on the factory floor within weeks rather than months.
Listed on Relativity Space’s careers site · Apply there ↗
Principal Mechanical Engineer, Factory Automation
Relativity Space
Long Beach, CA · $185,000 – $277,000
This role leads the design and development of manufacturing tooling and factory automation equipment for rocket production, combining structural fixtures, assembly systems, and automated processes. It suits experienced mechanical engineers who thrive in fast-paced environments, enjoy solving novel production challenges, and want to see their designs directly impact manufacturing scale and efficiency.
Listed on Relativity Space’s careers site · Apply there ↗
Lead, Data & Control Systems Engineering
Relativity Space
Long Beach, CA · $128,000 – $192,000
Lead a data and control systems hardware team at a rocket manufacturer, designing and operating test infrastructure while mentoring engineers across the product lifecycle. This role suits experienced electrical and systems engineers ready to grow into technical leadership without needing prior aerospace background.
Listed on Relativity Space’s careers site · Apply there ↗
Moonshot Engineer
Relativity Space
Long Beach, CA · $144,000 – $307,000
This is a senior engineering role within an innovation lab at a rocket company, focused on leading ambitious experimental projects from concept through prototype and production. It suits experienced engineers who thrive in ambiguous environments and want hands-on ownership of cutting-edge aerospace and technology initiatives.
Listed on Relativity Space’s careers site · Apply there ↗
Propulsion Engineer II, Engine Systems & Test
Relativity Space
Long Beach, CA · $104,000 – $156,000
This role involves designing and optimizing rocket engine systems for a commercial launch vehicle, working across the full lifecycle from concept through flight qualification. It suits engineers with propulsion experience who thrive in collaborative environments and want to shape both technical decisions and company culture at a growing aerospace startup.
Listed on Relativity Space’s careers site · Apply there ↗
Staff Propulsion Engineer, Engine Systems & Test
Relativity Space
Full-time · Long Beach, CA · $164,000 – $246,000
This role involves developing engine systems and architecture for Relativity's Terran R rocket, with responsibility for design trades, interface management, and system development from concept through qualification. It's suited to experienced propulsion engineers who can lead collaborative technical projects with deep expertise in liquid-rocket systems and who thrive in a fast-moving startup environment.
Listed on Relativity Space’s careers site · Apply there ↗
Senior Propulsion Engineer, Engine Systems & Test
Relativity Space
Long Beach, CA · $132,000 – $198,000
This role involves leading engine system architecture and interface optimization for Relativity's Terran R rocket, spanning design trades, requirement negotiation, and development support. It suits experienced propulsion engineers who thrive as self-directed technical leaders on ambitious, fast-moving projects.
Listed on Relativity Space’s careers site · Apply there ↗
Principal Propulsion Engineer, Engine Systems & Test
Relativity Space
Full-time · Long Beach, CA · $185,000 – $277,000
Lead the architecture and system-level design of advanced liquid-propellant rocket engines at a commercial spaceflight company developing a production orbital launch vehicle. This role suits experienced propulsion engineers who can drive technical trades across engine systems, manage cross-functional interfaces, and mentor teams while contributing deep technical expertise to solve novel challenges.
Listed on Relativity Space’s careers site · Apply there ↗
Senior Thermal Engineer
Relativity Space
Long Beach, CA · $132,000 – $198,000
This role leads the thermal engineering team responsible for ensuring Terran R launch vehicle components survive extreme temperature conditions across all flight phases and ground operations. You'll architect thermal systems, conduct multi-level analyses, direct engineers, and oversee testing while working closely with hardware and cross-functional teams to solve complex vehicle integration challenges.
Listed on Relativity Space’s careers site · Apply there ↗