Thermo-Mechanical Engineer Vinci4dThermo-Mechanical EngineerPalo Alto, CaliforniaRepresent Vinci at industry conferences and semiconductor events by delivering live product demonstrations, managing booth activities, and engaging technically with prospective customers and partners. Engage with customer engineering teams during the evaluation phase by supporting simulation setup, running test cases, and interpreting results to demonstrate Vinci’s value.
Senior Mechanical Engineer (Accurate Landing) InversionSenior Mechanical Engineer (Accurate Landing)Los Angeles, CA$137,000–$193,000 / yearITAR Compliance: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. As a Senior Mechanical Design Engineer at Inversion, you will play a critical role in the design, packaging, and rapid iteration of hardware across multiple spacecraft and hypersonic development programs.
Senior Mechanical Engineer - Robotic Platforms Gritt RoboticsSenior Mechanical Engineer - Robotic PlatformsSouth San Francisco, CaliforniaYou’ll own the mechanical integration of our robots onto heavy mobile base platforms - skid-steers and tracked vehicles in the 10,000 lb class - and lead programs that take systems from prototype to repeatable field deployment across construction environments. Direct experience integrating robotic arms, actuators, or heavy payloads onto mobile platforms - skid-steers, tracked vehicles, AGVs, off-road equipment, or equivalent heavy machinery.
Mechanical Engineer Gritt RoboticsMechanical EngineerSouth San Francisco, CaliforniaYou will play a critical hands-on role in the mechanical integration of our robots onto heavy mobile base platforms - skid-steers and tracked vehicles in the 10,000 lb class - and design and support programs that take systems from prototype to repeatable field deployment across construction environments. Contribute to and execute mechanical integration programs that mate robotic arms and payloads to skid-steer and tracked vehicle platforms - structural mounting, load paths, power/data routing, and service access.
Mechanical Engineer IV - Design Voyager Space HoldingsMechanical Engineer IV - DesignFolsom, CA$135,000–$185,000 / yearTo conform to U.S. Government export regulations, including the International Traffic in Arms Regulations (ITAR) (22 CFR Parts 120-130) and the Export Administration Regulations (EAR) (15 CFR Parts 730-774), applicants for this position must be a U.S. Person: a US Citizen, a lawful permanent resident of the U.S., or a protected individual as defined by 8 U.S.C. § 1324b(a)(3). Excels in designing professional presentations, delivering complex technical presentations, and writing specialized technical documents, demonstrating advanced writing techniques and ensuring accuracy and precision in communicating complex concepts to diverse audiences.
Senior Mechanical Engineer (Actuators) FoundationSenior Mechanical Engineer (Actuators)San Francisco, CaliforniaYou'll work alongside experts in electrical engineering, motor design, controls, embedded systems, and manufacturing to develop tightly integrated actuator systems where every gram, millimeter, and watt matters. This role spans the entire product lifecycle—from concept generation and rapid prototyping through testing, validation, and production—giving you end-to-end ownership of the hardware you create.
Mechanical Engineer, Flight Termination System Starship Space Exploration Technologies CorpMechanical Engineer, Flight Termination System StarshipHawthorne, CA$100,000–$117,500 / yearRESPONSIBILITIES: Develop state-of-the-art, manufacturable explosive devices and robust hardware integration designs (system controllers, electronic safe and arm devices, destruct charges, and integrated detonators) for the Starship and Super Heavy stage Flight Termination System. Partner with manufacturing, production, testing, and supply chain to achieve SpaceX's highest-yet component build rate, striving for high factory yield and automotive volume/cost.
Design Engineer Semiconductor Machinery Applications Freeform Future CorpDesign Engineer Semiconductor Machinery ApplicationsLos Angeles, CA$120,000–$185,000 / yearThey understand semiconductor hardware at a component and systems level, can independently reason about manufacturability, materials, tolerances, and performance tradeoffs, and are excited by the creative challenge of designing parts from first principles. Nice to Have: Experience designing or analyzing wafer handling systems, vacuum hardware, thermal management components, fluid delivery systems, or precision structural assemblies.
Lead Antenna Engineer Impulse Space Propulsion Inc.Lead Antenna EngineerRedondo Beach, CA$150,000–$200,000 / yearThis position requires applicants to be either U.S. Persons (i.e., U.S. citizen, U.S. national, lawful permanent U.S. resident (green card holder), an individual granted asylum in the U.S., or an individual admitted in U.S. refugee status) or persons eligible to obtain an export license from the U.S. Departments of State, Commerce, or other applicable U.S. government agencies. Analyze real-world performance of antennas, debug antenna issues on completed vehicles, and investigate methods to improve vehicle radiated performance.
Optical Transceiver Engineer Coherent CorpOptical Transceiver EngineerFremont, CAWe are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program.
Staff Mechanical Design Engineer (EPC) - San Francisco MiconeStaffingStaff Mechanical Design Engineer (EPC) - San FranciscoSan Francisco, CAOwn design for mechanical and plumbing systems — industrial/non-potable water, HVAC (labs, offices, plants), process heating and cooling, humidification, abatement systems, cooling towers, fans, pumps. Systems most engineers never touch: Abatement (thermal oxidizers, scrubbers), process heating/cooling, industrial water, clean/dry space HVAC.
Principal Engineer Curtiss-Wright CorpPrincipal EngineerBrea, CARemote$150,000–$180,000 / yearAs a Principal Engineer, you will work with a team of mechanical engineers to provide products to advanced power plant designs including Small Modular Reactors and Generation IV nuclear power plants, as well as existing power plants with decades of operating experience, in both domestic and international markets. The position involves working with valves, actuators, and other flow control devices, mechanical equipment, rotary equipment, and structural components utilized in commercial nuclear power plants.
NewProduct Design Engineer, FEA HarkProduct Design Engineer, FEASan Jose, California$120,000–$300,000 / yearYou'll be the analytical backbone of Hark's mechanical engineering team — using FEA and coupled simulation methods to validate design decisions, predict failure modes, and drive structural, thermal, and dynamic performance from the earliest stages of development through production release. This is a hands-on role where simulation directly shapes design: you'll work closely with product design engineers, industrial designers, and reliability teams to ensure that what we build is not just beautiful, but durable, precise, and manufacturable at scale.
Senior Engineer, Reactor Vessel Kairos Power LLCSenior Engineer, Reactor VesselAlameda, CA$140,600–$165,400 / yearEngage with manufacturing, assembly, suppliers, and operations teams to support reactor vessel fabrication, inspection, installation, testing, and maintenance, including review of fabrication drawings, manufacturing processes, inspection plans, material certifications, and nonconformance dispositions. You will work closely with adjacent reactor system teams to mature reactor vessel design requirements, resolve technical and spatial interfaces, support design trades, and deliver hardware that meets safety, performance, manufacturability, inspection, and maintainability objectives.
Mechanical Design Engineer, Optimus & AC Charging Tesla IncMechanical Design Engineer, Optimus & AC ChargingPalo Alto, CA$109,600–$234,000 / yearModeling and design of mechanical components and assemblies including sheet metal, structural metals, high voltage distribution, plastics, environmental sealing materials, fasteners, and other components. The Charging Hardware Mechanical Design team is looking for a highly skilled and motivated individual to take ownership over mechanical design of key sub-systems for AC Charging and Optimus Robot Charging.
Mechanical Design Engineer, Semi Charging Tesla IncMechanical Design Engineer, Semi ChargingPalo Alto, CA$109,600–$234,000 / yearThe Charging Hardware Mechanical Design team is looking for a highly skilled and motivated individual to take ownership over mechanical design of key sub-systems for our Semi Charging and Supercharging products. Modeling and design of mechanical components and assemblies including sheet metal, structural metals, high voltage distribution, plastics, environmental sealing materials, fasteners, and other components.
Senior Mechanical Design Engineer, Avionics VastSenior Mechanical Design Engineer, AvionicsLong Beach, California$137,760–$195,552 / yearVast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Vast is looking for a Senior Mechanical Design Engineer, Avionics , reporting to the Senior Manager of Mechanical Engineering, Avionics, to support the development of the Avionics, RF, Power, or GNC systems for the design and build of human-rated space stations.
Sr. Mechanical Verification Test Engineer, Energy Products Tesla IncSr. Mechanical Verification Test Engineer, Energy ProductsPalo Alto, CA$91,600–$195,600 / yearExecute hands-on testing, monitor tests, collect and analyze data, and perform RCAs of test failures for mechanical components such as thermal systems, actuators, busbars, vents, enclosures, etc. Tesla Energy is seeking a Senior Mechanical Verification Test Engineer to own mechanical subsystem and component testing of battery energy storage systems (BESS), EV charging, and solar products.
Senior Mechanical Design Engineer Castelion CorporationSenior Mechanical Design EngineerTorrance, CaliforniaTechnical Skills : This role requires broad mechanical domain knowledge, including detailed CAD design of complex parts, tolerance stack up analysis, thermal analysis, structural analysis, and deign-to-cost. To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.
Senior/Staff Power Electronics Engineer Heron PowerSenior/Staff Power Electronics EngineerScotts Valley, CaliforniaProficient in schematic capture, simulation tools (SPICE, PLECS, LTspice, Simulink etc.), and familiar with lab instrumentation such as oscilloscopes, network analyzers, and power analyzers. Collaborate closely with systems, mechanical, layout, firmware, reliability, and manufacturing teams to bring designs from concept to production at scale.