[Job Radar](https://jobradar.live/) / [Jobs](https://jobradar.live/ilanlar) / Mechanical Engineering Intern (Summer 2027) Active On-site El Segundo, CA Posted · 01.10.2026 Greenhouse (US) # Mechanical Engineering Intern (Summer 2027) Amca There was a time when all of America believed that the future of the physical world could be radically different. The engineers of the mid-1900s put a man on the moon in eight years, designed and built planes and submarines from scratch in under three, and conceived of building things we wouldn’t even be able to dream up today. Today, the last of the engineers who imagined and built these systems are retiring. As they go, we lose not only the engineering knowledge gained from their decades of imagination and trial-and-error, but also the spirit that made that imagination possible. Amca is working day-in and day-out to restore America’s ability to engineer anything that our critical systems depend on, and reinvigorate the cycle of creation that allows imagination to shape physical reality. We rapidly develop and manufacture new critical components and subsystems required to build and sustain the planes, military vehicles, and core infrastructure America needs. By restoring the capability of our antiquated supply chains, we increase the country’s capacity to imagine and realize new systems, and make a physical world that looks very different from today.Overview The Mechanical Design Engineering Intern works alongside our design team to develop flight hardware for new and existing airframes. You will own a scoped hardware project from concept through prototype and test, with a dedicated mentor and daily access to the engineers responsible for the systems around you. Your summer will consist of designing, analyzing, and building fluid and structural components, and learning how customer level requirements translate into parts that get built and qualified. This is not a shadowing program. Interns at Amca ship hardware. You should expect your work to be reviewed with the same rigor as a full-time engineer's, and to see your parts on the bench before you leave. Responsibilities Design and prototype mechanical hardware under the guidance of a mentor engineer Contribute to avionics hardware (buttons, switches, dials), flow control devices (valves, regulators, solenoids), or mechanisms (actuators, pistons) Question requirements, look for simplification, and help accelerate component deliveries Generate and maintain detailed drawings, component specifications, and supporting analysis We believe design engineers should perform their own concept design, technical analysis, and first unit builds, and we hold interns to the same expectation at an appropriate scope Support root cause investigations arising in development, production, and test, and help implement corrective actions Build and test your own prototypes in our in-house R&D lab Work with test engineering to help define and execute qualification plans for the components you own Work with build engineers to understand manufacturability constraints and incorporate DFM feedback into your designs Present your project and results to the engineering team at the end of the internship Basic Qualifications Currently enrolled in a Bachelor's, Master's, or PhD program in aerospace engineering, manufacturing engineering, materials engineering, mechanical engineering, or engineering physics Returning to school in Fall 2027, or graduating in Spring 2027 and interested in a full-time role Completed coursework in thermodynamics, fluid dynamics, or solid mechanics, and a working understanding of engineering first principles Hands-on design, analysis, or build experience through coursework, a student project team, personal projects, or a prior internship Preferred Skills and Experience Experience on a student project team building physical hardware, such as rocketry, Formula SAE, Baja, or a design build fly team Familiarity with GD&T concepts Experience with Siemens NX, SolidWorks, or a similar CAD package Exposure to finite element analysis (FEA) software Experience designing, building, testing, and troubleshooting mechanical systems Familiarity with pressurized components (valves, regulators, tubes, pipes) Experience using test instrumentation and control components such as pressure transducers, thermocouples, resistance temperature detectors, relays, and solenoid valves Machine shop, welding, or fabrication experience Strong interpersonal and collaborative skills, enthusiasm for problem solving, and interest in modern aerospace production and design Additional Requirements This internship is on-site in El Segundo, California, five days a week. Occasional travel to vendors or other Amca sites may be required Hourly Pay Range$30—$50 USDThis position requires use of information which is subject to the International Traffic in Arms Regulations (ITAR). All applicants must be U.S. persons within the meaning of ITAR. ITAR defines a US person as: any individual who is granted U.S. citizenship; or. any individual who is granted U.S. permanent residence ("Green Card" holder); or. any individual who is granted status as a "protected person" under 8 U.S.C 1324b(a)(3). The Advanced Manufacturing Company of America prohibits discrimination or harassment based on the following categories: race, color, religion, religious creed (including religious dress and grooming practices), national origin, ancestry, citizenship, physical or mental disability, medical condition (including cancer and genetic characteristics), genetic information, marital status, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), gender, gender identity, gender expression, age (40 years and over), sexual orientation, veteran and/or military status, protected medical leaves (requesting or approved for leave under the Family and Medical Leave Act or the California Family Rights Act), domestic violence victim status, political affiliation, and any other status protected by state or federal law. This job was verified from Greenhouse (US). Applications are completed on the original source. 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