Sr. Mechanical Design Engineer (Turbomachinery)
$150k - $170kArbor Energy
At Arbor, we’re creating technology to power our lives while protecting the planet that sustains them. 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. At the core is a supercritical CO₂ turbine with integrated carbon capture, designed to bring carbon‑neutral power online quickly at meaningful scale. 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. While many of us began our journeys looking to the stars, we’re applying that expertise here at home to deliver dependable, emission‑free baseload power and a future of lasting abundance. If you’re drawn to rigorous work with lasting impact, we’d love to hear from you. Come build what the future will run on. We are seeking a Sr. Mechanical Design Engineer to lead the design and analysis of rotors and casings for turbomachinery in a supercritical CO₂-based power cycle. This role involves conceptual design, assembly architecture selection, material selection, and structural analysis, ensuring high‑performance, reliable operation under demanding conditions. The ideal candidate has expertise in bolted joint and seal design, finite element analysis (FEA), and thermomechanical analysis, with preferred experience in creep analysis and rotordynamics. Job posting details for Sr. Mechanical Design Engineer (Turbomachinery) at Arbor Energy in El Segundo, CA. Compensation / salary range: 150,000 - 170,000 USD, yearly. ClimateTechList gathers 16,000+ job openings from over 767 climate tech companies and updates them daily. #J-18808-Ljbffr Arbor Energy
$150k - $175k
Sr. Mechanical Engineer - Turbomachinery About Us At Arbor Energy & Resources Corporation ("Arbor Energy"), we’re creating technology to power our lives... ...CO₂ turbine with integrated carbon capture, designed to bring carbon‑neutral power online quickly at meaningful...SeniorLive inFlexible hours$158k - $219.45k
...About the RoleRadiant is seeking a highly motivated Senior Mechanical Engineer, Turbomachinery (Rotordynamics) to join the team responsible for the... ...experience testing real hardware. Responsibilities & Duties: Design, build, and test turbomachinery for Radiant’s power...SeniorFull timeContract workImmediate startRemote workFlexible hoursWeekend work$158k - $247.28k
...Senior Mechanical Engineer – Turbomachinery Rotordynamics Lead the rotordynamics analysis and bearing selection for high-speed turbomachinery hardware... ...testing real hardware. Responsibilities and Duties Design, build, and test turbomachinery for Radiant's power generation...SeniorWeekend work$140k - $200k
...clean energy. Founded by an ex-SpaceX engineer, Critical Energy designs and manufactures factory-built,... ...Critical Energy is hiring a Senior Mechanical Design Engineer to design our next... ...integration. You’ll work closely with the Turbomachinery team and partner with Supply Chain,...Senior- Valar Atomics is seeking a turbomachinery mechanical design engineer to advance power generation capability. You will design static and rotating components for turbomachinery, creating manufacturable, high-efficiency solutions and influencing system architecture as an early...Suggested
$135k - $190k
...SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.SR. MECHANICAL DESIGN ENGINEER (STARSHIP COMPONENTS) The Propulsion Components team develops the most advanced spacecraft and launch vehicle...SeniorPermanent employmentTemporary workWork experience placement$135k - $190k
...SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.SR. MECHANICAL DESIGN ENGINEER (STARFALL)The Starfall team is developing the world’s first high-capacity, high-cadence, and low-cost re-entry capsule....SeniorPermanent employmentTemporary workWeekend work- ...SpaceX is seeking a Senior Mechanical Design Engineer for the Starfall program in Hawthorne, CA. The role focuses on owning structures, fluid systems, and components that endure extreme space environments, driving design from concept through launch and reuse. You will...Senior
- ...SpaceX seeks a Senior Mechanical Design Engineer to own the design of Starfall cargo structures, fluid systems, and components capable of withstanding extreme space environments. You will drive hardware from inception through launch and reuse, collaborating with leadership...Senior
$130k - $180k
...possible, with the ultimate goal of enabling human life on Mars.SR. MECHANICAL ENGINEER (STARSHIP AVIONICS)The Starship team supports the mission... ..., the Starship avionics team is responsible for designing a Starship avionics system that is optimized for high reliability...SeniorPermanent employmentTemporary work- ...Radiant Industries in El Segundo, CA seeks a Staff Turbomachinery Engineer to own the turbomachinery mechanical system for a 1MW Brayton-cycle power system. You... ...rotating machinery, tolerance stack-ups, and proven design-through-testing experience in a fast-paced, first-...Senior
$130k - $180k
...possible, with the ultimate goal of enabling human life on Mars.SR. MECHANICAL ENGINEER (STARSHIP)Our elite Starbase team is working on our planet'... ...-planetary. The mechanical engineer is responsible for designing and building flight hardware such as propellant tanks,...SeniorPermanent employmentTemporary workWeekend work- ...enabling human life on Mars.MANUFACTURING ENGINEER (RAPTOR TURBOMACHINERY MACHINING)As a Manufacturing... ...individual understands how to best design for manufacturing and will conceptualize... ...engineering role.Master's degree in mechanical, manufacturing, or aerospace...Permanent employmentTemporary workInternshipWeekend work
- ...Varda Space Industries is seeking a Senior Mechanical Design Engineer in El Segundo, CA to design and build advanced GSE and ground test systems for flight hardware qualification. You will integrate mechanical, electrical, fluid, and instrumentation systems, and own work...Senior
- ...Radiant in El Segundo, CA seeks a Staff Turbomachinery Engineer to own the turbomachinery mechanical system for a 1 MW Brayton-cycle power unit. You will drive... ...electrical components, while leading testing and design reviews. On-site role with high ownership and fast...Senior
$137k - $193k
...Senior Mechanical Design Engineer Playa Vista, California, United States Turning Space into a Transportation Layer for Earth Who We Are: Inversion builds advanced reentry systems to deliver next-generation capabilities from space. Our mission is to make Earth radically...SeniorPermanent employment$150k - $175k
...Sr. Mechanical Engineer (Gasification) Own design, testing, and optimization of biomass gasification systems from concept to pilot Location: El Segundo, California Compensation: $150,000 - 175,000 USD / year About The Role El Segundo, CA At Arbor Energy & Resources Corporation...SeniorLive inFlexible hours$109k - $150k
...with a new tool for securing the space domain & catalyzing the emerging space economy. What You’ll Do: The Senior Mechanical Design Engineer will provide guidance for design and prototype builds for the Space Kinetic core technology to achieve our mission of a flight...SeniorPermanent employment$130k - $180k
...possible, with the ultimate goal of enabling human life on Mars.SR. MECHANICAL ENGINEER, FLIGHT TERMINATION SYSTEM (STARSHIP)As a member of the... ...have the exciting opportunity to be responsible for the design of the Starship Flight Termination System hardware and explosives...SeniorPermanent employmentTemporary workWork experience placement$135k - $190k
...technologies to make this possible, with the ultimate goal of enabling human life on Mars.SR. MECHANICAL ENGINEER (HVAC)As a member of the construction and infrastructure team, you will design, build, and activate some of the world’s most technically advanced manufacturing...SeniorPermanent employmentTemporary workWeekend work$135k - $190k
...ultimate goal of enabling human life on Mars.SR. WELDING ENGINEER This position will support... ...satellites alongside a strong group of design and build engineers. The person in this... ...qualification test campaigns and interpret mechanical testing and NDE resultsWork closely...SeniorPermanent employmentTemporary workWeekend work$120k - $160k
...Senior Mechanical Design EngineerEl Segundo, CaliforniaA New Paradigm For Space Operations.Who We Are:Space Kinetic is a dual use space technology... ...we do in space.What You'll Do:The Senior Mechanical Design Engineer will design and develop mechanisms and moving assemblies for...SeniorPermanent employmentFlexible hours$140.33k - $179.31k
...economical reentry capsules. Varda’s W-Series vehicles are built, designed, and operated by Varda in-house, including the... ...create a bustling in-space ecosystem.About This RoleThe Senior Mechanical Design Engineer builds bespoke test infrastructure that qualifies...SeniorPermanent employmentShift work- Arbor Energy in El Segundo, CA seeks a Sr. Turbomachinery Aerodynamics Engineer to define operating characteristics and design high-performance flowpaths for a supercritical CO₂ power cycle. The role focuses on CFD modeling, aerodynamic optimization, and experimental validation...Senior
$130k - $180k
...with the ultimate goal of enabling human life on Mars.SR. MECHANICAL INTEGRATION & TEST ENGINEER (STARSHIELD)Integration and Test engineers are responsible... ...on this team must have a working knowledge of design, schematics, operations, manufacturing, testing, and flight...SeniorPermanent employmentTemporary workWork at officeWeekend work$135k - $190k
...enabling human life on Mars. S.R. WELDING ENGINEER (STARSHIP COMPONENTS) SpaceX continues... .... Materials used on SpaceX vehicles are designed to withstand the extreme environments of... ...processes on follow‑control devices and mechanisms that drive critical capabilities on Starship...SeniorPermanent employmentTemporary workWeekend work- Impulse Space in Redondo Beach is seeking a Senior Turbomachinery Engineer to design, analyze, build and test high performance turbomachinery for a liquid rocket propulsion system. You will work closely with a fast-paced, agile team to deliver reliable hardware and robust...Senior
$200.5k - $314.48k
...beginning in 2028.About the RoleRadiant is seeking a Principal Turbomachinery Engineer to serve as the Responsible Engineer for the... ...nuclear-driven power generation system. This role owns the mechanical design, integrity, and performance of the core rotating assembly...Full timeContract workImmediate startRemote workFlexible hoursWeekend work- Space Kinetic Corp. in El Segundo, CA, is seeking a Senior Machine Design Engineer to design, analyze, prototype, and validate complex electromechanical systems for aerospace environments. You will work with engineering, manufacturing, tests, suppliers, and program leadership...Senior
$180k - $220k
...Description Senior Controls Engineer - Own the controls... ...and tested, and a platform designed to generate power using multiple... ...applications. With experienced turbomachinery engineers, customer demand,... ...networks Work closely with mechanical, electrical, thermofluids, turbomachinery...Senior
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