NewBattery Test and Validation Engineer II, Dynamics and Structural RivianBattery Test and Validation Engineer II, Dynamics and StructuralTustin, California$77,800–$97,300 / yearFull timeRivian may use your Candidate Personal Data for the purposes of (i) tracking interactions with our recruiting system; (ii) carrying out, analyzing and improving our application and recruitment process, including assessing you and your application and conducting employment, background and reference checks; (iii) establishing an employment relationship or entering into an employment contract with you; (iv) complying with our legal, regulatory and corporate governance obligations; (v) recordkeeping; (vi) ensuring network and information security and preventing fraud; and (vii) as otherwise required or permitted by applicable law. Rivian may share your Candidate Personal Data with (i) internal personnel who have a need to know such information in order to perform their duties, including individuals on our People Team, Finance, Legal, and the team(s) with the position(s) for which you are applying; (ii) Rivian affiliates; and (iii) Rivian’s service providers, including providers of background checks, staffing services, and cloud services.
Sr. Project Engineer - Data Centers Thermal Engineering InternationalSr. Project Engineer - Data CentersLa Palma, CA$130,000–$160,000 / yearTo provide greater transparency to candidates, we include base pay ranges for all US-based job postings that encompass all potential locations and levels for the open positions. In this critical role, you will be responsible for maintaining the overall design responsibility for specific projects to which he/she has been assigned, and is the primary contact for the project manager, workshops, vendors, and the client.
Fire Protection Engineer Valar AtomicsFire Protection EngineerTorrance, California$112,000–$137,000 / yearAs part of the Engineering organization, Mechanical Engineering designs and develops the mechanical systems, components, and equipment that power Valar's advanced nuclear technologies. Perform hazardous material analysis for code compliance purposes, such as chemical classification, chemical quantity analysis, chemical inventory management, and related system design support.
Sr. Quality Engineer EVgo Services LLCSr. Quality EngineerEl Segundo, CAPlays a critical role in sustaining EVgo's existing charging solutions and supporting the development of next-generation Electric Vehicle Supply Equipment (EVSE) through quality engineering, statistical analysis, and supplier collaboration. Equivalent technical education or training in a related field (e.g., certification program, coursework in electrical or reliability engineering, or demonstrated on-the-job learning) accepted in lieu of a formal degree.
Senior Nuclear Supplier Quality Engineer Valar AtomicsSenior Nuclear Supplier Quality EngineerTorrance, CaliforniaYour two primary CGD responsibilities will be: (1) reviewing and approving all CGD Plans developed or revised by the Procurement Engineering group; and (2) serving as the primary technical point of contact for any CGD procurement that requires a Commercial Grade Survey—a supplier site visit and technical evaluation to verify that the item’s critical characteristics are controlled and acceptable. Familiarity with special process qualification requirements including ASME Section IX welding qualifications, NDE method qualifications, and nuclear-grade material certifications including: Certificates of Conformance, Certificates of Compliance, ASME documentation (e.g., Code Data Reports, Certified Material Test Reports, Certificates of Compliance).
Principal Quality Engineer Katalyst Healthcares & Life SciencesPrincipal Quality EngineerIrvine, CAThe Principal Quality Engineer serves as a subject matter expert, partnering with cross-functional teams to ensure products meet customer, regulatory, and business requirements while driving continuous improvement and operational excellence. This role provides technical leadership for quality systems, product quality improvements, risk management, CAPA activities, process validation, and compliance programs.
Sr. Project Engineer Thermal Engineering InternationalSr. Project EngineerLa Palma, CA$110,000–$135,000 / yearThe Senior Project Engineer is tasked with the responsibility for maintaining the overall design responsibility for specific projects to which he/she has been assigned, and is the primary contact for the project manager, workshops, vendors, and the client. To provide greater transparency to candidates, we include base pay ranges for all US-based job postings that encompass all potential locations and levels for the open positions.
Mobile Chief Engineer JLLMobile Chief EngineerEl Monte, CAThis critical role combines technical expertise with leadership skills to manage complex building systems, drive energy efficiency initiatives, and lead high-performing engineering teams. What this job involves: As a Chief Engineer, you'll serve as the strategic leader of all building operations, ensuring our facilities run at peak performance while supporting JLL's commitment to operational excellence and sustainability.
Electrical Engineering Intern (Summer 2026) Layup Parts IncElectrical Engineering Intern (Summer 2026)Huntington 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. Now we're looking for a highly motivated Electrical Engineering Interns to join our team as members of our growing engineering division that is building out our automated factory.
Manager, Regulatory Systems Engineering Radiant IndustriesManager, Regulatory Systems EngineeringEl Segundo, CaliforniaPortable 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. Radiant is seeking an experienced Manager, Regulatory Engineering who loves to think outside the box and challenge convention; in this role you will lead the authorization process for reactor deployment with our military partners.
NewElectro-Mechanical Assembler Kinetic Personnel GroupElectro-Mechanical AssemblerSanta Ana, CA$24–$26 / hourTemporaryThis is an excellent opportunity for someone with hands-on assembly experience who enjoys working with electronic and mechanical components in a quality-focused manufacturing environment. This position is responsible for assembling and inspecting electronic and electro-mechanical components while following detailed production instructions and technical documentation.
Senior Spacecraft Mechanical Engineer I Rocket Lab CorpSenior Spacecraft Mechanical Engineer ILong Beach, CA$115,000–$158,000 / 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. 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.
Engineering Intern - Summer 2027 Medtronic PlcEngineering Intern - Summer 2027Santa Ana, CA$26.50–$45.25 / hourIf you are applying to perform work for Medtronic, Inc. ("Medtronic") in any position which will involve performing at least two (2) hours of work on average each week within the unincorporated areas of Los Angeles County, you can find here a list of all material job duties of the specific job position which Medtronic reasonably believes that criminal history may have a direct, adverse and negative relationship potentially resulting in the withdrawal of a conditional offer of employment. The following benefits and additional compensation are available to those regular employees who work 20+ hours per week: Health, Dental and vision insurance, Health Savings Account, Healthcare Flexible Spending Account, Life insurance, Long-term disability leave, Dependent daycare spending account, Tuition assistance/reimbursement, and Simple Steps (global well-being program).
Engineering Intern Summer 2027 - Candidates Attending 2026 O4U Engineering Conference Medtronic PlcEngineering Intern Summer 2027 - Candidates Attending 2026 O4U Engineering ConferenceSanta Ana, CA$26.50–$45.25 / hourIf you are applying to perform work for Medtronic, Inc. ("Medtronic") in any position which will involve performing at least two (2) hours of work on average each week within the unincorporated areas of Los Angeles County, you can find here a list of all material job duties of the specific job position which Medtronic reasonably believes that criminal history may have a direct, adverse and negative relationship potentially resulting in the withdrawal of a conditional offer of employment. The following benefits and additional compensation are available to those regular employees who work 20+ hours per week: Health, Dental and vision insurance, Health Savings Account, Healthcare Flexible Spending Account, Life insurance, Long-term disability leave, Dependent daycare spending account, Tuition assistance/reimbursement, and Simple Steps (global well-being program).
Mid-Level Building Mechanical Engineer Water Jacobs Solutions IncMid-Level Building Mechanical Engineer WaterLos Angeles, CA$91,400–$172,600 / yearYou will design building mechanical systems in areas of potable and non-potable water distribution, building and roof drainage systems, HVAC systems, fire protection and odor control assets; central hydronic plant design (boilers, chillers, cooling towers); and designing central utilities and process exhaust systems for manufacturing, lab, and office spaces. CityStateCountrySacramentoCaliforniaUnited StatesSan FranciscoCaliforniaUnited StatesOaklandCaliforniaUnited StatesSan JoseCaliforniaUnited StatesIrvineCaliforniaUnited StatesLos AngelesCaliforniaUnited StatesPasadenaCaliforniaUnited StatesSan DiegoCaliforniaUnited StatesOntarioCaliforniaUnited StatesReddingCaliforniaUnited States.
Electro-Mechanical Assembly Technician SST DirectElectro-Mechanical Assembly TechnicianTorrance, CAKey Responsibilities for Electro-Mechanical Assembly Technician: Assemble mechanical and electromechanical components using hand and power tools (wrenches, drivers, torque tools, etc.). Basic Qualifications for Electro-Mechanical Assembly Technician: 4+ years of experience in mechanical assembly, maintenance, or a similar hands-on technical role.
Mechanical Assembler Kinetic Personnel Group, Inc.Mechanical AssemblerFullerton, CAExperience using hand tools, power tools, grinders, drill presses, measuring instruments, forklifts, hoists, and cranes. Fit, align, mount, fasten, drill, grind, tap, ream, and countersink components using hand and power tools.
Civil-Mechanical On-Site Superintendent-EPC Rosendin Electric IncCivil-Mechanical On-Site Superintendent-EPCAnaheim, CAYOUR NEXT OPPORTUNITY: The Civil & Mechanical On-Site Superintendent is responsible for leading and managing all civil and mechanical construction activities in the field for substation, battery energy storage system (BESS), or large-scale solar projects. We are the largest EMPLOYEE-OWNED company in the industry which means you will be a company owner too and have the unique benefit of being a shareholder at a company that is experiencing tremendous growth and success which means you benefit tremendously.
Summer 2027 Engineering Intern Divergent Technologies, Inc.Summer 2027 Engineering InternTorrance, CA$38–$45 / hourOur integrated engineering and manufacturing platform transforms complex designs into production-ready solutions, helping customers move faster, build smarter, and deliver critical systems when they matter most. Qualified candidates must be enrolled in a Bachelor''s or Master's degree program from an accredited college or university studying Mechanical Engineering, Aerospace Engineering, Computer Science, Materials Science, or a related discipline.
Electro Mechanical Assembler The Structures CompanyElectro Mechanical AssemblerEl Segundo, CAPerforms complex production assembly operations on structural parts, mechanical assemblies, subassemblies, and aircraft systems using manual or automated assembly tools. As trusted partners to leading aerospace and defense OEMs and Tier 1 suppliers, we connect professionals with career opportunities to grow and excel in aviation, aerospace, and defense.