Senior Spacecraft Mechanical Engineer II Rocket Lab CorporationSenior Spacecraft Mechanical Engineer IILong Beach, CA$132,000–$198,000 / 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. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
Environmental Engineering Supervisor - Leader AECOMEnvironmental Engineering Supervisor - LeaderLong Beach, CAWe invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle - from advisory, planning, design and engineering to program and construction management.
Assistant Professor of Mechanical Engineering California State UniversityAssistant Professor of Mechanical EngineeringFullerton, CA$6,221–$13,224 / yearThe primary responsibilities for this role include teaching courses in the mechanical engineering curricula, developing new courses in emerging areas of mechanical engineering, mentoring students on their projects and research, participating in service opportunities that benefit students and the university, and contributing positively to the culture of the department. For tenure-track faculty positions, California State University, Fullerton is currently not sponsoring H-1B applicants subject to the $100,000 fee established by the "Presidential Proclamation: Restriction on Entry of Certain Nonimmigrant Workers" issued on September 19, 2025.
Senior Mechanical Engineer Salas O'BrienSenior Mechanical 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.
Mechanical Engineer Salas O'BrienMechanical 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.
New Graduate Engineer, Mechanical Design (Starshield) Space Exploration TechnologiesNew Graduate Engineer, Mechanical Design (Starshield)Hawthorne, CA$100,000–$130,000 / yearDemonstrated ability to own hardware or systems within an integrated engineering team outside a classroom setting (FSAE, Engineers without Borders, Student Directed Research, Design-Build-Fly, NASA student launch, personal entrepreneurial ventures, etc.). Establish an efficient product lifecycle starting in the supply chain through final integration that balances cost, complexity, and quality; work closely with partner teams to design and realize an efficient in-house production line.
Mechanical Engineer Mycronic USAMechanical EngineerRedondo Beach, CAFull timeSurfx Technologies is a fast-growing company that offers atmospheric argon plasmas for the high-volume manufacturing of integrated circuits, semiconductor packages, printed circuit boards, and other microelectronic devices. This is an excellent opportunity for a hands-on engineer who enjoys solving real-world problems, working with cutting-edge technology, and growing professionally in a dynamic hardware development and manufacturing environment.
Senior Mechanical Engineer - Data Centers Olsson AssociatesSenior Mechanical Engineer - Data CentersIrvine, CA$132,000–$180,000 / yearPursuant to the California Consumer Privacy Act, as amended by the California Privacy Rights Act (collectively, the "CCPA"), this notice explains Olsson's practices regarding the collection, use, and disclosure of personal information for job applicants residing in California. As a Senior Mechanical Engineer, you will work directly with some of the world's largest technology companies and other mission-critical clients.
Mechanical Engineer, Sr. SulzerMechanical Engineer, Sr.Santa Ana, CaliforniaThe position combines strong technical expertise, creativity, and project leadership skills to solve complex engineering challenges and deliver high quality products. This role provides expert-level technical leadership in mechanical engineering, ensuring that products meet performance, reliability, and cost targets.
Mechanical Engineer, Support System ANDURIL INDUSTRIESMechanical Engineer, Support SystemCosta Mesa, CA$129,000–$171,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.
Mechanical Engineering Manager Staco Systems IncMechanical Engineering ManagerIrvine, CAThe Staco Systems product suite is continually expanding, and now includes rugged keyboards and keypads, electronic controllers, panel assemblies and edge-lit panels. Selling to the most demanding industries - military, aerospace, shipboard, and precision industries - Staco Systems expansion is due to a commitment to quality in creating custom solutions for its customers.
Senior Mechanical Engineer I - Secret Clearance Rocket Lab CorporationSenior Mechanical Engineer I - Secret ClearanceLong Beach, CA$115,200–$158,400 / 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. Our Space Systems team builds everything from complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space, like solar panels, flight software, star trackers, optical systems, separation systems, radios, and more.
Mechanical Engineer I, Prototype & Vehicle Systems Motive Workforce SolutionsMechanical Engineer I, Prototype & Vehicle SystemsCerritos, CAMotive Workforce is seeking an entry-level Mechanical Engineer to support prototype development and vehicle integration for locomotive electrification programs. Design and revise mechanical layouts for cooling systems, radiators, fans, ducting, structural mounts, brackets, and auxiliary enclosures.
NewStaff Avionics Mechanical Engineer Relativity SpaceStaff Avionics Mechanical EngineerLong Beach, CaliforniaAny 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.
Mechanical Engineering Manager AmcaMechanical Engineering ManagerEl Segundo, CaliforniaToday, we operate seven factories nationwide, including our advanced prototyping and testing headquarters in El Segundo, and deliver avionics, hydraulic, and electrical components for platforms such as the F-35, F-16, F/A-18, 737MAX, 787, A320neo, A321, Mk-48, and M1 Abrams. Your team takes flight hardware from concept through qualification and into production — spanning flow control devices, mechanisms, pneumatic and hydraulic assemblies, structural systems, cockpit avionics, and power electronics enclosures and mechanical subsystems.
Mechanical Engineer Flex LtdMechanical EngineerFontana, CA$65,600–$90,200 / yearReporting to the Director of Engineering, the Mechanical Engineer is responsible for the mechanical design, development, and calculations of assigned manufacturing projects related to power distribution products including relay panels, control buildings, and switchgear (low and medium voltage). If the intended spin occurs, this role will support Axiom, a company focused on critical digital infrastructure and delivering end-to-end power and thermal management solutions for AI data centers and other mission-critical applications.
Mechanical Design & Project Engineer SulzerMechanical Design & Project EngineerSanta Ana, CaliforniaAutomated Decisions: Utilizes Visual ERP system and design tools such as AutoCAD, Vault Engineering Sizing Tools and Vault to support decision-making related, BOM creation and workflow updates. Design mechanical components, assemblies, and general arrangement drawings specific to sales orders using Autodesk Inventor and maintain associated files within the Autodesk Vault management system.
Sr. Mechanical Design Engineer (Starship Components) SpaceXSr. Mechanical Design Engineer (Starship Components)Hawthorne, CA$135,000–$190,000 / yearDevelop state-of-the-art, manufacturable flow control devices (valves, regulators, solenoids), mechanisms (flap/fin/payload door actuators), and electromechanical devices through end-to-end ownership (design, analysis, production layout, assembly, environmental testing, and vehicle integration) across Starship and Super Heavy stage systems. Partner with manufacturing, production, testing, and supply chain to achieve SpaceX’s highest-yet component build rate, striving for high factory yield and automotive volume/cost.
Lead, Launch Mechanical Engineering Relativity SpaceLead, Launch Mechanical EngineeringLong Beach, CA$128,000–$192,000 / 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. You will have the opportunity to be part of a small team of engineers who are responsible for the full engineering cycle on projects that involve static structures, dynamic mechanisms, and control systems using fluid, electrical, and combustion powered sources.
Sr Mechanical Engineer TAE Technologies IncSr Mechanical EngineerIrvine, CA$135,000–$150,000 / yearThis is a guideline rather than a fixed threshold: candidates with fewer years but strong alignment with the desired skills described below are encouraged to apply, and candidates newer to some of these disciplines may be considered for a developmental path into the role. At TAE Technologies, we consider a wide range of factors when making compensation decisions including but not limited to skill sets; experience and job-related knowledge, training; licenses and certifications, and other business and organizational needs.