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.
NewStaff Mechanical Engineer, Tooling Relativity SpaceStaff Mechanical 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.
NewSupervising Mechanical Engineer -Healthcare Syska Hennessy GroupSupervising Mechanical Engineer -HealthcareLos Angeles, CA$121,862–$182,793 / yearAs a Supervising Mechanical Engineer - Healthcare, you will be responsible for project management, including the conceptual approach to all trade-specific systems on multiple projects, and ensuring approach implementation through the management of. As a global leader in consulting, engineering, and commissioning services, we specialize in MEP, information and communication technology, architectural lighting, vertical transportation, and commissioning.
NewSr. Mechanical Engineer - Healthcare K2 Staffing, LLCSr. Mechanical Engineer - HealthcareLakewood, 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 - 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.
NewMechanical Engineer ADP Workforce Now OrganicMechanical EngineerOntario, CACoordinate closely with the manufacturing factory to support Design for Manufacturability (DFM) reviews, engineering drawings, and Bill of Materials (BOM) management as required. Serve as an initial Research & Development (RD) point of contact for local clients, assisting with design requests and delivering daily feedback or technical solutions.
NewMechanical Engineer IcarusMechanical EngineerLos Angeles, CA$100,000–$160,000 / 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.
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.
NewSenior Mechanical Engineer (Electric Propulsion) Impulse SpaceSenior Mechanical Engineer (Electric Propulsion)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. 7+ years of demonstrated experience designing and analyzing electric propulsion or other plasma-facing hardware design (fusion systems, experimental research devices, semiconductor manufacturing, thin-film deposition, etc).
NewMechanical Engineer (PE) - MEP Consulting Marx Okubo and Assoc.Mechanical Engineer (PE) - MEP ConsultingHuntington Beach, CA$100,000–$120,000 / yearJob Description As a trusted national architecture/engineering/construction consulting firm, Marx Okubo works with real estate owners, investors, and lenders—at every point of the property lifecycle—to evaluate their building projects, solve complex challenges and implement tailored solutions. Ideal candidates will possess a BSME or BSAE w/mechanical specialty, PE, and at least 10 years' experience in the engineering design and evaluation of large scale building mechanical, electrical, plumbing and fire protection systems .
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.
NewSpecialist, Software Engineering (Controls Engineer) L3Harris TechnologiesSpecialist, Software Engineering (Controls Engineer)Anaheim, CA$105,500–$180,000 / yearUnder general direction of the Management of Software Engineering, this position develops and applies advanced software engineering methods in the investigation and solution of complex and advanced technical problems power system architectures and power conversion equipment. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
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.
NewMechanical Engineer ThinKom SolutionsMechanical EngineerHawthorne, CA$70,000–$100,000 / yearKnowledge in the areas of materials, structural and thermal analysis, dynamics, vibration and mechanical shock, heat transfer, and finite element analysis. Solid model design, geometric dimensioning and tolerancing, and detailed drawing experience, preferably using Creo or similar CAD software.
NewMechanical Engineer Layup PartsMechanical EngineerHuntington Beach, CAITAR Requirements 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. We design, machine, print, and build faster than anyone else in the industry and we’re looking for experienced Mechanical Engineers who thrive in high-performance environments and want to be part of the team that’s redefining what’s possible in advanced manufacturing.
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.
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.
NewMechanical Engineer EPC STAFF Acquisition and Development, LLCMechanical EngineerIrvine, CA$90,000–$150,000 / yearold) MEP+ firm who work on large and small projects in industrial manufacturing, science & tech/ healthcare, clean rooms, and commercial/ retail. • HVAC design (airside, hydronic, steam) for a wide variety of multi-disciplinary project types.
NewSatellite Mechanical Engineer K2 SpaceSatellite Mechanical EngineerLos Angeles, CA$90,000–$140,000 / yearBacked by $450M from leading investors including Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, Alpine Space Ventures, and others – with an additional $500M in signed contracts across commercial and US government customers – we're mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space. Demonstrated ability to own mechanical hardware or systems within an integrated engineering team outside a classroom setting (High Power Rocketry, CubeSats, Robotics Competitions, Formula SAE and Baja SAE, Engineers without Borders, Design-Build-Fly, NASA student launch, personal entrepreneurial ventures, etc.).
NewSenior Satellite Mechanical Engineer (Structures) K2 SpaceSenior Satellite Mechanical Engineer (Structures)Los Angeles, CA$140,000–$175,000 / yearBacked by $450M from leading investors including Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, Alpine Space Ventures, and others – with an additional $500M in signed contracts across commercial and US government customers – we're mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space. In your first 6 months, you will define mechanical requirements, create initial concepts and trades, perform preliminary and detailed analysis, define development test campaigns, trade and select any purchased electromechanical subsystems, and produce development hardware.