NewMechanical Engineer II Attalon, Inc.Mechanical Engineer IIMonrovia, CA$74,000–$126,500 / yearBy utilizing its pioneering Volume Bragg Grating (VBG) technology and SureLock™ wavelength-stabilized semiconductor lasers, Monrovia supplies high-precision, cutting-edge products to rapidly expanding fields like Raman spectroscopy, bio-instrumentation, datacom, scientific research, and high-power industrial lasers. In this role, you will design and develop advanced automation tooling and robotic fixtures, support the creation and hands-on integration of spectroscopy systems, and define production workflows for laser machining and pick and place operations.
NewManufacturing Mechanical Engineer Waev IncManufacturing Mechanical EngineerAnaheim, CAThe Manufacturing Engineer will also design and maintain kanban systems, support process and layout improvements, and work cross-functionally with Production, Quality, and Supply Chain to quickly resolve issues and drive continuous improvement on the manufacturing floor. Founded in 1949, Taylor-Dunn burden carriers, personnel carriers, and stockchasers have been trusted solutions in a broad range of commercial environments and provide premium reliability, safety features, and all-electric efficiency for industrial grade applications.
NewSr. Mechanical Engineer - Healthcare K2 StaffingSr. Mechanical Engineer - HealthcareIrvine, CAAs a competent registered professional engineer, the candidate performs work involving the application of all conventional aspects of HVAC, medical gas, plumbing design engineering, and supervision of multi-discipline teams of engineers and designers. The candidate is primarily responsible for budgeting, scheduling, planning, design, and specification writing on a given project, with the authority to direct, control, and monitor all activities on multiple projects simultaneously.
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 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.
NewSenior Opto-Mechanical Engineer (High-Power Lasers) FreeformSenior Opto-Mechanical Engineer (High-Power Lasers)Los Angeles, CA$120,000–$200,000 / yearJob Description SENIOR OPTO-MECHANICAL ENGINEER (HIGH-POWER LASERS) Freeform builds AI-native manufacturing systems that unify software, hardware, and physics to produce industrial-scale parts at the speed of human ideation. You will fully own the design of custom hardware and opto-mechanical-electrical devices, as well as implement novel laser and camera solutions to enable sophisticated closed loop control.
NewMechanical Engineer - Mission Critical Harley Ellis DevereauxMechanical Engineer - Mission CriticalLos Angeles, CAHave a strong understanding of mission critical HVAC systems, including but not limited to Fan Coil Walls, MDR/MMR CRAHs, air and water cooled chiller systems, and liquid cooling systems. The Mechanical Engineer is a technical expert and design leader responsible for shaping high-performance, integrated mechanical engineering solutions across major and complex projects.
NewSenior Mechanical Engineer IcarusSenior Mechanical EngineerLos Angeles, CA$120,000–$220,000 / yearIcarus deliberately optimizes for a high signal (engineers) to noise (management) ratio, where engineering, flight, and execution matter more than process, politics, or management overhead. We build solar-powered aircraft that fly at 60,000 ft for weeks at a time, delivering persistent, affordable, and scalable presence from this layer of the atmosphere.
NewAvionics Mechanical Engineer (All levels) Impulse SpaceAvionics Mechanical Engineer (All levels)Redondo Beach, CAThis 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. Lead and contribute to CoDRs, PDRs, and CDRs, clearly communicating design rationale, tradeoffs, and risks to cross-functional stakeholders.
NewMechanical Engineer - Plumbing Harley Ellis DevereauxMechanical Engineer - PlumbingLos 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.
NewSenior Mechanical Engineer FluxergySenior Mechanical EngineerIrvine, CA$135,000–$150,000 / yearTeam culture: - Positive - Proactive - Accountable - Team oriented - Continuous learner - Great communicator - Build strong working relationships - Contribute to a productive team culture What You Will Do Design and develop mechanical subsystems, assemblies, and components using SolidWorks, from concept through design transfer and production. About the Role As a Senior Mechanical Engineer, you will help develop and commercialize next-generation diagnostic systems by designing robust electromechanical solutions from concept through production.
NewSenior Mechanical Design Engineer Approach VentureSenior Mechanical Design EngineerThousand Oaks, CA$120,000–$160,000 / yearOur engineering and manufacturing teams work closely together throughout the full hardware lifecycle, giving engineers direct exposure to design, production, testing, and qualification. You will develop production-ready designs, solve manufacturing challenges, support hardware through build and test, and provide technical guidance to other engineers.
NewSenior Mechanical Engineer (Testing) Percy TowersSenior Mechanical Engineer (Testing)Los Angeles, CAIdeal Fit: 4–15 years of experience in mechanical test engineering for high-reliability hardware (aerospace, automotive, defense, etc.). Build and manage data acquisition systems (DAQ) and analyze results using Python, MATLAB, or LabVIEW.
NewMechanical Engineer - COPVs (All Levels) Impulse SpaceMechanical Engineer - COPVs (All Levels)Redondo Beach, CAJob Description Description As a Mechanical Engineer (COPVs) for our Vehicle Engineering Team, you will own all aspects of the design, analysis, build, test and integration of flight composite overwrapped pressure vessels – working with cross-functional engineering teams to accomplish this. This 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.
NewMechanical Engineer II M Wave Design CorporationMechanical Engineer IISimi Valley, CAThe Mechanical Engineer supports the design of custom RF microwave components and subsystems by advancing departmental knowledge of and use of global best practice design guidelines by working individually and with the other members of the Engineering Design team that deliver the technical specifications required by our customers. · Participate in the weekly Design Engineering project status meetings to help the team achieve the best design solutions for customer requirements.
NewMechanical Engineer - Healthcare Harley Ellis DevereauxMechanical Engineer - HealthcareLos Angeles, 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 - Turbomachinery Rotordynamics Radiant IndustriesSenior Mechanical Engineer - Turbomachinery RotordynamicsEl Segundo, CA$158,000–$219,450 / yearRadiant is seeking a highly motivated Senior Mechanical Engineer, Turbomachinery (Rotordynamics) to join the team responsible for the power generation and primary cooling turbomachinery of our Kaleidos product. Portable nuclear power with rapid-deploy capability can replace similar-sized diesel generators and provide critical asset support for hospitals, data centers, remote sites, and military bases.
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.
NewMechanical Engineer EPC STAFF Acquisition and Development, LLCMechanical EngineerLos Angeles, CA$80,000–$160,000 / yearCreate construction drawings for the project owner, coordination and communication between the design team and the client/ customer, provide project management oversight, and support throughout the entire construction process. • HVAC design (airside, hydronic, steam) for a wide variety of multi-disciplinary (A&E) project types.
NewOpto-Mechanical Engineer (Analysis) Impulse SpaceOpto-Mechanical Engineer (Analysis)Redondo Beach, CAThis 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. Support Structural-Thermal-Optical Performance analysis by working with optical engineers to understand alignment sensitivity, detector placement tolerances, boresight stability, wavefront error, and pointing requirements.