Mechanical Engineer Fall 2026 Co-OpOpen roleCastelionDefense⚙️ Mechanical & Physical SystemsInternfull-timeLocationTorrance, CACompensation$62,400 / yearAbout CastelionScales modern defense manufacturing.HQEl Segundo, CAStageSeries C+Total Raised$1.5BEmployees51-200Founded2022Full profile →Website ↗LinkedIn ↗X ↗Keep exploringMore at CastelionDirector, Business Development – Air Force ProgramsWashington D.C., DC→Director of ManufacturingRio Rancho, NM→Environmental ManagerTorrance, CA→Tooling, Automation & Controls ManagerTorrance, CA→Lead Manufacturing Engineer - Motors→View all 191 roles →