NewMechanical Design Engineer - Advanced Spacecraft Propulsion Approach VentureMechanical Design Engineer - Advanced Spacecraft PropulsionHawthorne, CA$130,000–$180,000 / yearYou will design precision mechanical components, perform structural and thermal analysis, build and test hardware, and work closely with multidisciplinary engineering teams to deliver reliable propulsion systems capable of operating in demanding space environments. Our team combines experience from leading aerospace organizations with the agility of a venture-backed startup, creating an environment where engineers have significant ownership, move quickly, and directly influence product development from concept through flight.
NewSenior Mechanical Design Engineer ATC AutomationSenior Mechanical Design EngineerSimi Valley, CARemote$120,000–$140,000 / yearIn this role, you will collaborate directly with customers to define project requirements and work alongside a multidisciplinary engineering team to deliver reliable, high-performance automation solutions. Job Description ATC Automation is seeking a hands-on and innovative Senior Mechanical Design Engineer to lead the mechanical development of custom automation machinery and tooling systems at our Simi Valley, CA location.
NewSenior Hardware Design Engineer Broadata CommunicationsSenior Hardware Design EngineerTorrance, CA$130,000–$180,000 / yearExperience interfacing with microcontrollers, application processors, FPGAs/CPLDs, video scalers, video receivers/transmitters, Ethernet PHYs/switches, high-speed memory, and common communication interfaces such as I2C, SPI, UART, RS-232, RS-485, USB, SDIO, Ethernet, and PCIe. Demonstrated experience designing complex multi-layer PCBs with controlled impedance, differential pairs, high-speed connectors, high-density components, power distribution, grounding, shielding, EMI/ESD protection, and manufacturability constraints.
NewSenior Harness Design Engineer I Rocket Lab CorporationSenior Harness Design Engineer ILong Beach, CA$124,000–$170,000 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.
NewHarness Design Engineer II/Senior Rocket Lab CorporationHarness Design Engineer II/SeniorLong Beach, CA$100,000–$155,000 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.
NewMechanical Engineer -- Component Design, Test & Integration BlueCore EnergyMechanical Engineer -- Component Design, Test & IntegrationLong Beach, CAPhysical & Machinery Requirements: Because we are a hands-on startup, this role may require the ability to perform physical labor, navigate active construction/manufacturing zones, and/or operate heavy machinery and specialized manufacturing equipment as needed. This is a hands-on, collaborative role with room to grow — a great fit for someone eager to learn, comfortable asking questions, and happy to get their hands dirty in the lab and on the deck plate.
NewSenior Warhead Design Engineer Castelion CorporationSenior Warhead Design EngineerTorrance, CAWe are seeking a hands-on, mission-driven Senior Warhead Design Engineer to lead the design, development, and integration of advanced next-generation systems for our long-range hypersonic strike vehicles. In addition, employees enjoy perks like catered meals, company-covered food during high-demand periods, and a fully stocked kitchen to stay fueled throughout the day.
NewSenior Design Quality Engineer Circadia HealthSenior Design Quality EngineerEl Segundo, CA$120,000–$160,000 / yearSubject Matter Ownership: Deep, hands-on proficiency in Design Controls, Risk Management (ISO 14971), CAPA management, Complaint Handling, and Post-Market Surveillance (PMS). Post-Market Surveillance (PMS): Design and maintain the Post-Market Surveillance (PMS) system, generating PMS reports, clinical evaluation updates, and data trending summaries.
NewVehicle Structures Design Engineer II Relativity SpaceVehicle Structures Design Engineer IILong Beach, CA$104,000–$156,000 / yearYour responsibilities will include, but not be limited to the following: Design and develop piece parts, assemblies, and systems from early conceptualization up through full initial release – working with large machined metallic components, sheet metal, composites, formed panels, and more. Any unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role.
NewSenior Vehicle Structures Design Engineer Relativity SpaceSenior Vehicle Structures Design EngineerLong Beach, CA$132,000–$198,000 / yearYour responsibilities will include, but not be limited to the following: Design and develop piece parts, assemblies, and systems from early conceptualization up through full initial release – working with large machined metallic components, sheet metal, composites, formed panels, and more. Any unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role.
NewStaff Propulsion Engineer, Engine Assembly Design Relativity SpaceStaff Propulsion Engineer, Engine Assembly DesignLong Beach, CA$164,000–$246,000 / yearAs an Engine Assembly Responsible Engineer on the Propulsion Integrated Design team, you will: Own the overall layout and packaging of Aeon-R engines, in all of their different configurations (development, qualification, acceptance, first stage versus upper stage, etc.). Any unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role.
NewStaff Mechanical Design & Analysis Engineer, Tooling Relativity SpaceStaff Mechanical Design & Analysis Engineer, ToolingLong Beach, CA$143,000–$215,000 / yearClose collaboration with component designers, manufacturing engineers, and integration engineering to achieve the best possible cradle to grave metrics (safety, cost, quality, cycle time, delivery, reliability, life, and maintenance/refurbishment). As a design group embedded within the manufacturing organization, we dig deep into the needs of our internal partners to understand root problems, propose solutions, and deliver hardware to help build faster, scale smarter, and work better.
NewPrincipal Mechanical Engineer ThinKom SolutionsPrincipal Mechanical EngineerHawthorne, CA$140,000–$180,000 / yearThis role offers the opportunity to serve as the lead mechanical engineer on key programs while providing technical leadership, mentoring junior engineers, and contributing to multiple product development efforts across the organization. At ThinKom, you'll help develop innovative technologies that enable critical communications and advanced electromagnetic systems for Commercial Inflight Connectivity (IFC), High-Power Microwave (HPM), and Gateway & Defense SATCOM applications.
NewMechanical Engineer (Entry-Level) SMP EngineeringMechanical Engineer (Entry-Level)Glendale, CA$35–$44 / hourHow to Apply: Submit your resume and a brief cover letter to jobs@smp-eng.com with the subject line: Mechanical Engineer Application – [Your Name] or apply directly on Indeed/Linked-In. As a leader in the Aerospace/Defense Manufacturing sector, we specialize in delivering high-quality solutions to clients across the globe.
NewSr. Hardware Development Engineer Long WallSr. Hardware Development EngineerLong Beach, CABASIC QUALIFICATIONS: Bachelor’s degree in mechanical, Aerospace, or related engineering discipline from an accredited university AND 8 years of related industry experience; OR Master’s degree AND 6 years of related experience; OR Ph. We believe that the future of global security and stability require defensive technology that is lower cost, higher performing, better tested, and more broadly distributed than is possible today.
NewSenior Mechanical Engineer - MEP Building Systems SY LEE ASSOCIATESSenior Mechanical Engineer - MEP Building SystemsGlendale, CAOur projects include commercial, educational/K-12 and higher education, municipal, healthcare, institutional, mixed-use, residential, private development, and other public-sector facilities , including new construction, renovations, modernizations, system upgrades, and existing-building assessments. We are looking for someone who can take an active role in mechanical design, work independently on projects, and provide technical direction to our engineers, designers, and drafting staff.
NewSenior Mechanical Engineer DivergentSenior Mechanical EngineerTorrance, CA$128,520–$176,720 / yearWork involves regular interaction with industrial equipment and may include moving machinery, elevated noise, metal powders, inert gas systems, lasers, and high-power electrical equipment. Lead technical coordination across engineering, manufacturing, quality, supply chain, suppliers, and other stakeholders; communicate decisions, status, risks, actions, and required support clearly.
NewSenior Opto-Mechanical Engineer Relativity SpaceSenior Opto-Mechanical EngineerLong Beach, CA$142,000–$214,000 / yearAny unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role. By creating a sustainable model for interplanetary exploration, we are transforming space science from an occasional event into a continuous process of discovery that accelerates knowledge, broadens participation, and inspires the next generation of explorers.
NewMechanical Engineer - Healthcare Harley Ellis DevereauxMechanical Engineer - HealthcareEl Segundo, CAThis role manages major portions of mechanical and plumbing scopes, guides QAQC efforts, mentors team members, and represents the discipline in client-facing settings. The Mechanical Engineer is a technical expert and high-level engineer who experienced in healthcare, responsible for technical execution, design leadership, and interdisciplinary coordination of complex mechanical systems.
NewSenior Mechanical Engineer VerustructSenior Mechanical EngineerTorrance, CADesign mechanical subsystems for wall-supported robotic construction equipment, including automated formwork, locomotion, material delivery, consolidation, and auxiliary construction tools. Working closely with controls, materials, structural engineering, and manufacturing, you’ll take complex hardware subsystems from concept through CAD, analysis, prototyping, testing, and deployment.