NewMechanical Engineering Intern SprintRayMechanical Engineering InternLos Angeles, CA$30–$34 / hourWithout a written agreement signed by an officer of SprintRay: a) SprintRay does not accept resumes from recruiting agencies, headhunters, or any other party expecting payment in the event SprintRay speaks with or hires a candidate from such submitted resume; b) SprintRay is not responsible for any fees related to unsolicited resumes or related Terms of Service, and c) Unsolicited resumes received will be considered the property of SprintRay and will be processed accordingly. You will work alongside experienced engineers to design, prototype, test, and document mechanical systems that support current and future SprintRay products.
Mechanical Engineer, P.E. - Accident Reconstruction EFI GlobalMechanical Engineer, P.E. - Accident ReconstructionLos Angeles, CARemote$130,000–$150,000 / yearOver the last four decades, we have grown from a boutique firm specializing in handling insurance fraud and arson cases and providing expert witness testimony, into a recognized global leader in engineering failure analysis, origin-and-cause investigations, environmental consulting, laboratory testing and specialty consulting. In this role, you will leverage your technical knowledge and investigative mindset to analyze mechanical systems, mechanical equipment, component failures, and reconstruct accident scenarios, providing clear, defensible conclusions that make a real impact in legal and insurance cases.
(8690) Mechanical Engineer - GSE III PDS Inc, LLC(8690) Mechanical Engineer - GSE IIINorth Hollywood, CAYou will design, modify, and maintain mechanical ground support equipment and toolingincluding fixtures, handling devices, alignment tools, and test hardwareto enable safe, efficient, and repeatable operations across manufacturing and test environments. You will collaborate closely with systems engineering, manufacturing, quality, test, and supply chain teams to ensure designs are producible, maintainable, and compliant with engineering intent.
Mechanical Engineer (Processes) Singularity DefenseMechanical Engineer (Processes)Gardena, CaliforniaTo 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. Exposure to a variety of production machinery, industrial sensors, and equipment (motion systems, dispense systems, temperature controllers, laser distance sensors, injection molders, die casters, etc.).
Mechanical Engineer, Battery Energy Storage Systems Motive CompaniesMechanical Engineer, Battery Energy Storage SystemsIrvine, CA$120,000–$145,000 / yearThis role owns mechanical development from concept through production and works across electrical, product, and manufacturing teams to deliver scalable, production-ready hardware. ResponsibilitiesDesign mechanical components and assemblies in CAD, including system packaging for PCBs, batteries, sensors, switches, fuses, lighting, and associated wiring.
Senior Mechanical Engineer - P2S LegenceSenior Mechanical Engineer - P2SLong Beach, CA$124,800–$183,040 / yearEmployment Type: Full-timeHybrid Schedule: 3 days In-office / 2 RemoteSalary: $124,800-$183,040 (dependent on experience)Office: Seattle, WALevel: Mid to SeniorGeneral Responsibilities:As a competent Registered Professional Engineer, the candidate performs work involving the application of all conventional aspects of HVAC and plumbing design engineering and supervision of multi-disciplinary teams of engineers and designers. Registered Professional Engineer (PE License)8+ years of engineering design and project management experienceExperience with all aspects of HVAC and Plumbing DesignExperience with design-build projects.
Sr Analysis Mechanical Engineer (Thermal, Structural) Singularity DefenseSr Analysis Mechanical Engineer (Thermal, Structural)Gardena, CaliforniaTo 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. The position requires strong expertise in FEM/FEA, thermal network analysis, and analytical problem-solving, along with the ability to collaborate in fast-paced development environments with aggressive timelines.
Civil Engineering (Construction Engineering and Management), Assistant Professor Job DetailsCivil Engineering (Construction Engineering and Management), Assistant ProfessorPomona, CaliforniaIn compliance with state and federal crime awareness and campus security legislation, including the Jeanne Clery Campus Safety Act, California Education Code section 67380, and the Higher Education Opportunity Act (HEOA), Cal Poly Pomona’s Annual Security Report and Annual Fire Safety Report are available for viewing at Cal Poly Pomona’s Annual Security Report and Cal Poly Pomona’s Annual Fire Safety Report . Cal Poly Pomona, a Hispanic-Serving Institution and an Asian American and Native American Pacific Islander-Serving Institution, stands as a national leader in promoting social mobility , and was placed among the 25 top institutions in the country in awarding bachelor’s degrees to minoritized students by Diverse Issues in Higher Education .
Tech 2, Mechanical Engineering Karwell TechnologiesTech 2, Mechanical EngineeringBrea, NJPreferred requirement: Bachelor of Science in a technical area and at least 1 year of experience in a laboratory/R&D setting following written procedures and working collaboratively with a team. Minimum education requirement is high school diploma, experience in a lab environment (corporate or school) or technician experience in a regulated environment for a minimum of 6 years.
Union One Man Plant Engineer ABM IndustriesUnion One Man Plant EngineerLos Angeles, CA$53.23–$62.58 / hourAs the sole engineering and maintenance resource on-site, this role serves as a hands-on technical leader responsible for troubleshooting, preventive maintenance, capital projects, safety compliance, contractor management, and continuous improvement initiatives. Founded in 1909, ABM provides custom facility solutions in urban, suburban and rural areas to properties of all sizes — from schools and commercial buildings to hospitals, data centers, manufacturing plants and airports.
Senior Mechanical Engineer - Aerospace & Defense Machina LabsSenior Mechanical Engineer - Aerospace & DefenseChatsworth, CA$95,000–$130,000 / yearAs a key member of the engineering team, you will own the release of engineering documentation, oversee our Product Data Management (PDM) system, mentor engineers across manufacturing and process engineering, and ensure that designs are optimized for production, quality, and scalability. This position is ideal for an experienced engineer who enjoys balancing technical execution with engineering leadership and is passionate about developing robust design processes in a collaborative startup environment.
Senior Mechanical Engineer - Structures Singularity DefenseSenior Mechanical Engineer - StructuresGardena, CaliforniaTo 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. Exposure to a variety of production machinery, industrial sensors, and equipment (motion systems, dispense systems, temperature controllers, laser distance sensors, injection molders, die casters, etc.).
Mechanical Design Engineer Banks PowerMechanical Design EngineerAzusa, CA$80,000–$120,000 / yearSalary Range $80,000—$120,000 USD Actual pay offered to candidates will depend on several factors, including but not limited to, relevant candidates' experience, education, and specific knowledge, skills, and abilities. We are seeking an aspiring Mechanical Design Engineer to help us design and develop high-performance automotive products and systems using CAD, CFD, FEA tools.
Mechanical Engineer Reflect OrbitalMechanical EngineerHawthorne, CaliforniaAs a Mechanical Engineer, you will be responsible for quickly designing, prototyping, and flight validating spacecraft subcomponents and integrating mechanical systems on tight deadlines. You bring roughly 4–6 years of mechanical design experience, ideally on flight hardware or similar high-reliability mechanical systems.
Thermal Engineer (II Or Iii) True AnomalyThermal Engineer (II Or Iii)Long Beach, CA$85,000–$135,000 / yearTo 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. We build autonomous spacecraft, advanced payloads, mission software, and space-based interceptors - enabling the U.S. and its Allies to secure the space environment and counter threats from the ultimate high ground.
Thermal Engineer (Senior Or Staff) True AnomalyThermal Engineer (Senior Or Staff)Long Beach, CA$130,000–$210,000 / yearTo 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. We build autonomous spacecraft, advanced payloads, mission software, and space-based interceptors - enabling the U.S. and its Allies to secure the space environment and counter threats from the ultimate high ground.
Validation Engineer Katalyst Healthcares & Life SciencesValidation EngineerIrvine, CAThe engineer will collaborate with internal teams and external suppliers to improve product performance, reduce costs, and ensure robust validation of systems and processes, including those related to product electrical design and functionality. Develop and manage project budgets covering feasibility studies, capital equipment, validation costs, DVT samples, and related testing requirements (e.g., bioburden).
NewTest Fluids Engineer II Relativity SpaceTest Fluids Engineer IILong 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. About the Team: The Factory Test team designs, builds, and operates the infrastructure needed to test nearly every part of Terran R right here at our headquarters in Long Beach, CA.
Embedded Controls Engineer Mesh Optical TechnologiesEmbedded Controls EngineerGardena, California$140,000–$170,000 / yearBring up and integrate new sensors, actuators, and motor drives, defining hardware-software interfaces and writing low-level drivers (I²C, SPI, ADC, PWM, encoder interfaces). Bachelor's or Master's degree in electrical engineering, computer engineering, mechanical engineering, aerospace engineering, or a related discipline with coursework in control systems.
Senior Plumbing Engineer Salas O'BrienSenior Plumbing EngineerTustin, CaliforniaOur specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more. Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.