NewFounding Spacecraft Mechanical Engineer SLR SearchFounding Spacecraft Mechanical EngineerLos Angeles, CA$160,000–$190,000 / yearJob Description Join an elite, venture-backed aerospace founding team as Founding Spacecraft Mechanical Engineer architecting next-generation satellite constellations for high-density space-based compute. — Demonstrated experience taking space hardware from initial concept through CAD, FEA, fabrication, integration, and environmental testing.
NewSenior Optomechanical Engineer I/II Rocket Lab CorporationSenior Optomechanical Engineer I/IIPasadena, CA$125,000–$214,000 / yearImportant information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To 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. SENIOR OPTOMECHANICAL ENGINEER I/II Based on site at Rocket Lab Robotics in Pasadena, CA, the Senior Optomechanical Engineer I/II is responsible for leading mechanical design efforts for optical payloads, camera systems, precision mechanisms, sensor assemblies, tooling, fixtures, ground support equipment, and electromechanical hardware.
NewFire Protection Engineer Harley Ellis DevereauxFire Protection EngineerLos Angeles, CAIndividuals in this role are expected to deepen their technical knowledge, begin supporting client interaction, and develop the critical thinking required for future engineering leadership roles. An understanding of the financial status of projects as they progress, development of cost budgets for projects, value of client relationships and be able to deliver projects with a focus on the quality is preferred .
NewMechanical Engineer, Interceptor GITAIMechanical Engineer, InterceptorLos Angeles, CA$100,000–$155,000 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), GITAI 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. Field assignments may involve multi-day stays, early departures, long test days, changing schedules, outdoor work, dust, heat, cold, and occasional evening or weekend work.
NewSenior Propulsion Engineer, Engine Base Heatshield Relativity SpaceSenior Propulsion Engineer, Engine Base HeatshieldLong Beach, CA$132,000–$198,000 / 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. In this role, you will be responsible for the design, analysis, integration, and iteration of structural heatshield hardware that is absolutely critical to enabling the survival (and re-use) of Aeon-R engines and Terran R first stages from launch through landing.
NewPropulsion Engineer I, Combustion Devices Relativity SpacePropulsion Engineer I, Combustion DevicesLong Beach, CA$90,000–$136,000 / 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. As the flight configuration enters qualification, the team is now exploring modifications for future engines, including thrust upgrades, new cycles, and design for mass production.
NewGround Systems Engineer II - Mechanical - Team X Rocket Lab CorporationGround Systems Engineer II - Mechanical - Team XLos Angeles, CATo 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.
NewPrincipal Mechanical Engineer, Additive Manufacturing ElastiumPrincipal Mechanical Engineer, Additive ManufacturingLos Angeles, CAWhy this job matters At Elastium, you won’t be another engineer optimizing inside an existing box—you’ll build in the wild, architecting a new industrial era where factories run like software, starting with footwear. We're building the most frictionless way of turning bits into useful atoms, sending ripples of singularity across the industry, and bringing tens of billions of GDP back to America.
NewSenior Avionics Mechanical Engineer Relativity SpaceSenior Avionics Mechanical EngineerLong Beach, CA$129,000–$193,000 / 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.
NewPropulsion Engineer II, Combustion Devices Relativity SpacePropulsion Engineer II, Combustion DevicesLong Beach, CA$104,000–$156,000 / 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. As the flight configuration enters qualification, the team is now exploring modifications for future engines, including thrust upgrades, new cycles, and design for mass production.
NewMechanical Engineer II, Neutron Avionics Rocket Lab CorporationMechanical Engineer II, Neutron AvionicsLong Beach, CA$100,000–$125,000 / 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. From designing and testing Neutron's structures and components, to firing up its new Archimedes engines, to setting up Neutron's launch pads and test sites across the United States, joining the Neutron team is your opportunity to help launch a new large rocket for the very first time.
NewSenior Launch Mechanical Engineer Relativity SpaceSenior Launch Mechanical EngineerLong Beach, CA$124,000–$170,500 / 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. Present and communicate designs effectively to cross-functional teams and leadership, focusing on methodology, functionality, and constructability.
NewInstrumentation and Monitoring Engineer Nicholson Construction CompanyInstrumentation and Monitoring EngineerTorrance, CAInstall and maintain the performance of various geotechnical and structural monitoring instruments following Sixense procedures, including but not limited to datalogging systems and Automatic Motorized Total Stations. In this hands-on role, you will work closely with the local team to prepare, install, and service a wide range of monitoring equipment in diverse environments.
NewMechanical Engineer FurientisMechanical EngineerLos Angeles, CACoordinate with aero on outer mold line implementation, with propulsion on case and nozzle integration, with avionics on tray and harness routing, with the seeker team on optical-package interfaces, and with the Control Actuation System Engineer on fin actuator integration into the airframe: hinge supports, OML cutouts, and sealing. Job Description America is critically deficient in production of defensive munitions- we currently produce shipborne interceptors in the few hundreds per year while our adversaries are producing offensive threats in the tens of thousands per year.
NewDevelopment Engineer, Solid Rocket Motors FurientisDevelopment Engineer, Solid Rocket MotorsLos Angeles, CAThat covers motor architecture, grain design, internal ballistics, performance prediction, igniter design, case and nozzle integration, and the work of tying predicted, ground-tested, and flight-test motor behavior together so the model keeps getting better after every fire. AI-native working style: daily use of agentic coding tools (Claude Code, Codex, OpenCode, or similar) for ballistic-code scripting, performance prediction, and post-test data reduction.
NewSenior Civil Engineer Everforth, CybercodersSenior Civil EngineerSanta Clarita, CA$140,000–$160,000 / yearThis opportunity is ideal for an experienced engineer who wants a larger seat at the table, greater influence on project outcomes, and the chance to work alongside respected professionals tackling some of the region's most challenging development initiatives. Strong communication, project management, and client-facing skills; ability to lead multidisciplinary teams and mentor staff.
NewSenior Mechanical Engineer (Terran-R Structures) Relativity SpaceSenior Mechanical Engineer (Terran-R Structures)Long Beach, CA$132,000–$198,000 / 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. Whether you're working on highly iterative mechanisms that move or tight-margin structures that shouldn't, you'll get hands-on hardware ownership and see the rocket coming to life on the factory floor.
NewRegional Civil Engineer - S.CA ECI Talent PartnersRegional Civil Engineer - S.CALos Angeles, CAWe’re working with a growing organization in the stormwater and civil infrastructure space seeking a Regional Civil Engineer to support project development across Southern California. The Regional Civil Engineer will support stormwater and infrastructure projects by working closely with design teams, municipalities, and internal stakeholders.
NewProject Civil Engineer NICHOLS CONSULTING ENGINEERS CHTDProject Civil EngineerAnaheim, CA$110,000–$140,000 / yearOur team takes pride in designing safer, more efficient roadways, enhancing multi-modal transportation, improving accessibility, incorporating green infrastructure, and advancing sustainability in our communities. Working Conditions: May require field work (e.g., construction equipment and sites, roadway, drilling coring rigs, remote locations, contaminated sites).
NewSenior Mechanical Engineer Relativity SpaceSenior Mechanical EngineerLong Beach, CA$132,000–$198,000 / 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. The Stage Fluids team is responsible for the design and delivery of propellant, pressurant, pneumatics, and other fluid systems that turn structures into functioning rockets!