Branch Engineer Barnhart Crane & Rigging CoBranch EngineerParamount, CANETWORK - Barnhart has built teams that form one of our industry's strongest networks of talent and resources with over 60 branch locations across the U.S. working together to serve our customers. Create layout drawings for heavy machinery moving projects utilizing gantries, slide systems, modular trailers, lift & hoist towers, and other custom Barnhart tools.
Mechanical Engineer, Life Science Barry-WehmillerMechanical Engineer, Life SciencePasadena, CA$110,000–$150,000 / yearHighly desired is experience in the design of Life sciences, facility/building mechanical systems including HVAC (inclusive of air handling units, chemical and laminar fume hoods, unit heaters/coolers, etc.), water, chilled water/glycol, wastewater, cold/warm rooms, clean rooms, cooling towers/condensers, boiler/steam/condensate systems, hot water and hydronic systems, compressed gases (air, O2, N2, CO2, etc.), waste/drain and other plumbing systems. Work with other licensed engineers and experienced designers to design mechanical systems including water, chilled water, HVAC, wastewater, cooling towers/condensers, boiler/steam or hot water systems, compressed air, and other plumbing systems for custom, industrial applications for manufacturing, distribution, and other industrial and commercial facilities.
Senior Mechanical Engineer ACCO Engineered Systems IncSenior Mechanical EngineerPasadena, CA$50–$72 / hourWhether your project is a low or high-rise office building, a shopping mall, hospital, semi-conductor fabrication facility or pharmaceutical manufacturing plant…ACCO can design, build, install, and maintain a mechanical system to meet your needs. Applicants please note that actual compensation is determined by several factors that are unique to each candidate, including but not limited to job-related skills, depth of experience, certifications, relevant education or training, and specific work location, among others.
Systems Engineer, Spacecraft Design & Simulation Vast SpaceSystems Engineer, Spacecraft Design & SimulationLong Beach, CA$112,340–$159,468 / yearVast is developing next-generation space stations to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. We also take pride in offering exceptional food perks, with snacks, drip coffee & onsite barista, cold drinks, and dinner meals remaining free of charge, and lunch subsidized as part of Vast's ongoing commitment to providing high-quality meals for employees.
Sr Robotics Engineer TechoundsllcSr Robotics EngineerIrvine, CaliforniaHardware Design & Development Design, prototype, and test electronic systems for professional underwater ROVs, including power electronics, motor controllers (ESCs), sensor interfaces, and communication systems. Cross-Functional Collaboration Work closely with mechanical engineers, software developers, and production staff to deliver fully integrated ROV systems.
Mechanical Engineering Manager Davron LLCMechanical Engineering ManagerIrwindale, CAMECHANICAL ENGINEERING MANAGER | MECHANICAL DESIGN | ELECTRICAL DESIGN | PUMP SKIDS | PUMPS | VALVES | AUTOCAD | INVENTOR | AUTOCAD ELECTRICAL | PLC | CONTROL PANEL | WATER TREATMENT . Experience designing pump skids (typically around 20 ft long x 8 ft wide) with pumps, motors, high-horsepower systems, valves, and pressure-related components.
Engineer, Medical Device Test Design and Execution (JP12062) 3 Key ConsultingEngineer, Medical Device Test Design and Execution (JP12062)Thousand Oaks, CaliforniaTest activities will include Engineering, characterization and GMP verification testing and will require a strong proficiency in developing test protocols, statistical analysis, executing hands on testing, and reporting of results to senior leadership. The Mechanical Engineer on the Combination Product Test Team will interact with global and cross-functional members from systems engineering, process engineering, device development, packaging, primary containers, device quality, and other groups.
Propulsion Development Engineer Hermeus CorpPropulsion Development EngineerLos Angeles, CA$91,800–$187,450 / yearHermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. You will operate at the intersection of hardware execution and data analysis, owning engine test campaigns and translating results into actionable engineering improvements.
Performance Engineer Hermeus CorpPerformance EngineerLos Angeles, CA$91,800–$187,450 / yearThis position requires strong expertise in gas turbine engine cycles, aerodynamics, and thermodynamics to support aircraft development certification and operational excellence. • Perform thermodynamic cycle analysis of turbofan engines, evaluating thrust, TSFC efficiency, operability margins, and performance across the flight envelope.
NewFailure Analysis Engineer JobotFailure Analysis EngineerOrange, CA$90,000–$115,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The successful candidate will be responsible for investigating and determining the root cause of product failures, developing and implementing corrective actions, and driving continuous improvement efforts.
NewENGINEER (CIVIL/ROADWAY) Los Angeles County Metropolitan Transportation AuthorityENGINEER (CIVIL/ROADWAY)Los Angeles, CA$91,353.60–$137,030.40 / yearThis classification is at-will and the incumbent serves at the pleasure of the hiring authority when classified as an Intermittent, Emergency, Annuitant, or Temporary employee, is assigned to the Office of Inspector General (OIG) or Board Clerks Office, and/or reporting directly to the LACMTA Board of Directors. Applicants who best meet job-related qualifications will be invited to participate in the examination process that may consist of any combination of written, performance, or oral appraisal to further evaluate job-related experience, knowledge, skills and abilities.
Design Release Engineer II - Low Voltage Wire Harness RivianDesign Release Engineer II - Low Voltage Wire HarnessIrvine, California$96,000–$120,000 / 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.
Mechanical Estimator EMCOR Group IncMechanical EstimatorThousand Oaks, CA$90,000–$125,000 / yearWork with Estimating, Engineering, and Sales Departments to analyze customer requirements and develop a winning strategy for every quotation.• Identify the optimum cost/availability of materials within the customer's approved material supplier or country of origin list and prepare material and labor estimates used in the quotation process.• Learn to effectively utilize all estimating documentation and electronic programs to prepare the bill of materials and labor estimate for all quotations.• As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success.
NewHead of RF Engineering Samson RoseHead of RF EngineeringEl Segundo, CaliforniaOur client is a stealth-mode, well-funded defense technology company building next-generation systems to defend critical infrastructure against the fast-growing threat of drone attacks, the kind currently causing real damage to facilities across the Middle East, Ukraine, and Russia, and increasingly a risk elsewhere. • A track record with high-power RF systems strongly preferred, ideally including space communications payloads (kilowatt-class, ground-to-space, space-to-space, or space-to-ground).
Battery Engineering Intern (Summer 2026) Impulse Space Propulsion Inc.Battery Engineering Intern (Summer 2026)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. Impulse Space's spacecraft manufacturing business is subject to U.S. export regulations including the International Traffic in Arms Regulations (ITAR) and Export Administration Regulations (EAR).
Manager, Build Reliability Engineering Relativity SpaceManager, Build Reliability EngineeringLong Beach, CA$128,000–$192,000 / yearProven track record leading complex, cross-functional programs end-to-end, including defining scope, coordinating across teams, and driving execution without direct authority over all contributors. Any 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.
Explosives Systems and Devices Engineer The Aerospace CorpExplosives Systems and Devices EngineerEl Segundo, CA$100,300–$175,900 / yearComprised primarily of highly-trained mechanical and aerospace engineers, VSD provides national expertise in the areas of vehicle engineering; guidance, navigation, and controls; robotics; electro-mechanical devices; embedded systems; fluid mechanics; propulsion; thermal control; mechanisms; structures; structural dynamics; and dynamic environments. MSD is the ETG source of expertise in moving mechanical assemblies (MMAs), ordnance-driven devices, other explosives applications and high-velocity impact analysis, separation systems and analyses, ball bearings, gears, valves, component mass properties, related technologies, and exploitation of our knowledge and tools in solving non-traditional and emerging problems.
Fluid Systems Engineer The Aerospace CorpFluid Systems EngineerEl Segundo, CA$100,300–$150,400 / yearComprised primarily of highly trained mechanical and aerospace engineers, VSD provides national expertise in the areas of vehicle engineering; guidance, navigation, and controls; robotics; electro-mechanical devices; embedded systems; fluid mechanics; propulsion; thermal control; orbital mechanics; mechanisms; structures; structural dynamics; and dynamic environments. We are currently seeking a talented Fluid Systems Engineer (Senior Member of Technical Staff - Aeronautical and Mechanical Engineering) to join our interdisciplinary team, driving transformative solutions in fluid mechanics and contributing to state-of-the-art projects.
Manufacturing Engineering 838942 HelpmatesManufacturing Engineering 838942Santa e Springs, CAYou'll work closely with the manufacturing team to identify improvement opportunities, support product development, and lead projects that drive cost savings and process enhancements. As a Manufacturing Engineer, you will be responsible for: Providing engineering and technical support for daily manufacturing operations and production processes.
Mechanical Quality Inspector - Manufacturing, Life Sciences Compagnie de Saint-GobainMechanical Quality Inspector - Manufacturing, Life SciencesGarden Grove, CA$24–$34 / hourThey allow access to information such as the characteristics of your terminal or certain personal data (IP addresses, navigation data on the Saint-Gobain site, etc.) for the following purposes: analysis and improvement of the user experience and/or our offer of content, products and services; audience measurement and analysis; interactions with social networks; display of advertising and personalized content. With a legacy dating back more than 350 years, Saint-Gobain offers employees the stability and security of a leading Global 500 corporation while operating like multiple small and agile start-ups, where entrepreneurial spirit, pioneering teamwork, and bold, forward-thinking ideas pave new paths.