Mechanical Engineering Intern — Prototyping, Testing & Design
General Matter
General Matter is seeking a Mechanical Engineering Intern to design, build, and test mechanisms and structures enabling our enrichment technology. You will work with engineers across electrical, software, chemical, manufacturing, nuclear, materials, and physics disciplines to move hardware from concept through build and test. The role offers hands-on experience in mechanical design, prototyping, testing, and cross-functional engineering, with opportunities to contribute meaningfully to real #J-18808-Ljbffr General Matter
$100k - $120k
...automate spacecraft design and production... ...learners, and ambitious engineers. Whether your... ...orbit, and scale internationally. We pair world‑... ...Engineer Intern (Mechanical) As a Spacecraft... ...spacecraft design and test. You’ll bridge... ...Hands‑on Prototyping: Fabricate and assemble...InternshipWorldwideShift workWeekend work$25 - $40 per hour
Mechanical Engineering Intern / Co-op, Rocket Motors - Fall 2026 Who We Are GITAI is a vertically... ...-generation space systems. We design, build, integrate, and test much of our hardware in-house.... ...hardware, mechanical interfaces, prototypes, ground support equipment, or test...InternshipHourly payPermanent employmentTemporary workPart timeWork at officeMonday to FridayShift work- Second Order Effects invites a Mechanical Engineering Intern to contribute to the design, development, and testing of complex mechanical systems for customer projects. You... ...full development lifecycle from concept to prototyping and validation, gaining hands-on experience...InternshipRemote jobFlexible hours
- ...Order Effects, Inc. in El Segundo, CA is seeking a Mechanical Engineering Intern to help design, develop, and test complex electromechanical systems across... ...participate from concept and simulation through prototyping, validation, and integration, gaining strong hands...InternshipRemote job
$100k - $117.5k
...life on Mars.BUILD RELIABILITY ENGINEER (FALCON/STARSHIP VALVES AND... ..., guiding the hardware from design to production and operation.... ...of key characteristics, prototype testing for functionality and manufacturability... ...tooling for work access, mechanical/avionics/propulsion testing,...InternshipPermanent employmentTemporary workWork at officeImmediate startWeekend work- ...Order Effects in El Segundo, CA, is seeking a Mechanical Engineering Intern to support the design, development, and testing of complex mechanical systems for customer... ...development lifecycle from concept and simulation to prototyping, validation, and integration. You will use...Internship
$140k - $230k
...Senior Propulsion Engineer plays a critical role... ..., owning the design of solid rocket motor... ...engage in the assembly, testing, and troubleshooting of prototypes and production... ...drawings, adhering to internal standards and ASME... ...materials engineering, mechanical engineering or...InternshipFull timeImmediate startWeekend work- Help lead mechanical design for Verustruct’s next generation... ...Role As a Mechanical Engineer, Level II, you will help... ...design, build, and test the machines at the... ...advances from full-scale prototypes toward field... ...components Work directly with internal fabrication resources...InternshipFull time
- .... A small, highly capable engineering team applies that foundation... ...space systems. We design, build, integrate, and test much of our hardware in-house. Electrical, mechanical, software, manufacturing,... ...designs become real parts, prototypes, integrated systems, and tested...InternshipFull timeWork at officeRelocation packageMonday to Friday
$100k - $117.5k
...life on Mars.TURBOMACHINERY ENGINEER (RAPTOR)SpaceX is seeking a highly... ...Engineer to join our team in designing and developing the next... ...aerodynamic/hydrodynamic and mechanical design and demonstrate a broad... ...RESPONSIBILITES:Design, build and test turbopumps for liquid fueled...InternshipPermanent employmentTemporary workWeekend work- ...requirements you meet. Responsibilities Own the design, development, analysis, manufacturing, and testing of novel spacecraft components Build complete... ...on fully completing and shipping your work Prototype and iterate rapidly Ideal Qualifications You...InternshipFull timeWork at office
- ...enabling human life on Mars.MECHANICAL ENGINEER (STARSHIP COMPONENTS MANUFACTURING... ...team assembles, tests, troubleshoots, and delivers... ...valves to flap/fin actuators. We design and build valves, regulators... ...development and design engineers, internal machine shops, and external...InternshipPermanent employmentTemporary workWeekend work
$20k
...ultimate goal of enabling human life on Mars.MECHANICAL ENGINEER (STARSHIELD) Starshield leverages... ...security efforts. While Starlink is designed for consumer and commercial use, Starshield... ...environmental and performance testing on hardware to validate analysis and demonstrate...InternshipPermanent employmentTemporary workWeekend work$20k
...on Mars.HARDWARE RELIABILITY ENGINEER, COMPONENTS (STARSHIELD)Starshield... ...efforts. While Starlink is designed for consumer and commercial... ..., Electronic, and Electro-mechanical/Electro-optical (EEE) components... ...and implement accelerated tests to mitigate risks and qualify...InternshipPermanent employmentTemporary workWeekend work- ...is offering a paid internship for mechanical engineering students in Torrance, California. Interns will work with the mechanical team on designing and testing mechanical subsystems for... ...with CAD modeling, fabrication, and prototype development. This is an excellent...Internship
$158k - $219.45k
...leverages modern software engineering to rapidly deliver... ...Radiant is on track to test its first reactor at... ...rotating hardware from design into reality. This is... ...assembly and integration of prototype and first-article... ...:Bachelor’s degree in Mechanical Engineering or a related...InternshipFull timeSummer workImmediate startRemote workFlexible hours$148.43k - $204.09k
...age. Every day, our teams design, manufacture, and assemble... ...industries. Our integrated engineering and manufacturing platform... ...built.PurposeAs a Staff Opto-Mechanical Engineer, you will serve as... ...optical characterization, prototype testing, design-of-experiments, and...Temporary workWork at office- GITAI Inc. is seeking a Mechanical Engineering Intern / Co-op for Fall 2026 in Torrance, CA. You... ...creating CAD models, drawings, and prototypes while coordinating with... ...gain hands-on experience across design, assembly, testing, and documentation, collaborating...Internship
- ...Every day, our teams design, manufacture, and... .... Our integrated engineering and manufacturing... ...hardware, building test methods from the... ...who balances deep mechanical fundamentals with... ...with suppliers and internal teams to ensure manufacturability... .... Support prototype assembly and...Temporary workWork at office
$100k - $115k
New Graduate Engineer, Mechanical (Starshield) Hawthorne, CA SpaceX was founded under the belief that a future where humanity... ...extreme ownership through detailed and thorough design, hardware bring-up/characterization/testing, and requirements generation/verification -...InternshipPermanent employmentTemporary work$105k - $150k
...applications. Robinson is an engineering focused organization... ...flight. The Seat Design Engineer is a member of... ..., functional mechanisms, foam, and covers from... ...and manufacturing of prototype articles. Develop requirements... ...Identify, plan, and lead tests for components and...Work experience placementShift work- ...internship working alongside our mechanical team on real hardware for... ...is hiring a paid mechanical engineering intern to support the design, fabrication, assembly, and testing of mechanical subsystems for... ...our hardware team on live prototype development and own scoped projects...Internship
- ...that focuses on short, iterative design cycles, rapid testing in development, and modern... ...conflicts. Position Summary The Engineering Project Specialist - Mechanical supports the planning, coordination... .... Track design release status, prototype builds, testing activities, and...Full time
$30 per hour
Mechanical Engineer Fall 2026 Co - op Assist in designing and testing missile subsystem components and validating hardware prototypes Location: Torrance, California, United States Compensation: $30... ...generation missile systems. As an intern, you'll contribute directly to...InternshipHourly payPermanent employmentTemporary workLocal areaImmediate startRelocation- ...Build Reliability Engineer (Propulsion) at Impulse... ...between design requirements, manufacturing... ...development testing to guide design decisions... ...’s degree in Mechanical Engineering, Aerospace... ...development or prototype-to-production... ...capabilities and internal equity. In addition...Permanent employmentFull timeWork at office
$30 - $40 per hour
...enriches uranium. We are designing, building, and... ...world-class team of engineers and operators is applying... ...As a General Matter Mechanical Engineering Intern, you will gain hands... ..., building, and testing the mechanisms and mechanical... ...mechanical design, prototyping, testing, and cross-...InternshipHourly payWeekend work$105.4k - $131.8k
...energy efficiency. We design, manufacture and sell highly engineered turbocharging, air... ...and cross-functional internal teams. This is an exciting... ...DVP&R by preparing prototype hardware, testing, analysis, and... ...Engineering Degree in Mechanical Engineering, Automotive...Temporary workWorldwideFlexible hours$35 per hour
...Electrical Engineer Intern - Fall 2026 (Avionics)Castelion is bringing... ...on short, iterative design cycles, rapid testing in development, and modern... ...will directly support rapid prototyping and real-world flight... ...with PCB layout, firmware, mechanical, systems, and test...InternshipHourly payPermanent employmentTemporary workLocal areaRelocation- ...Every day, our teams design, manufacture, and assemble... .... Our integrated engineering and manufacturing platform... ...PurposeA Senior/Staff Mechanical Engineer on the... ...designing, building, testing, and deploying complex... ...appropriate analysis, prototyping, assembly, testing, troubleshooting...Contract workTemporary workWork at officeFlexible hours
$140k - $230k
...Senior Mechanical Design EngineerTorrance, California, United States$ 1... ...iterative design cycles, rapid testing in development, and modern... ...Senior Mechanical Design Engineer with a full stack, Responsible... ...: Support iterative prototyping cycles every four weeks for...Permanent employment
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