Mechanical Engineering Internship, Prototyping

About 1X
 We’re an AI and robotics company based in Palo Alto, California, on a mission to build a truly abundant society through general-purpose robots capable of performing any kind of work autonomously.
 We believe that to truly understand the world and grow in intelligence, humanoid robots must live and learn alongside us. That’s why we’re focused on developing friendly home robots designed to integrate seamlessly into everyday life.
 We’re looking for curious, driven, and passionate people who want to help shape the future of robotics and AI. If this mission excites you, we’d be thrilled to hear from you and explore how you might contribute to our journey.

Role Overview
We are looking for a Mechanical Engineering Intern to join our Prototyping Team from September to December 2025. In this hands-on role, you’ll support the development, assembly, and testing of components used in our humanoid robots. You will contribute directly to production-critical hardware development, collaborating with engineers and designers on the next revision of our robots. This is a full-time, in-person internship based in Palo Alto, with the potential to convert into a full-time offer for the right candidate.

Responsibilities

• 3D-print and assemble prototypes for functional and durability testing

• Create parts using multiple materials and prototyping processes

• Collaborate with engineering and design teams to integrate new parts and resolve fit-and-function challenges

• Contribute to the design and engineering of next-generation robot revisions

• Create and edit CAD models for 3D printing or milling

• Document print settings, test results, and prototyping workflows

• Maintain print lab organization and manage inventory of prototyping materials

Requirements

• Hands-on experience in mechanical engineering or prototyping

• Basic CAD proficiency (SolidWorks, Onshape, etc.)

• Currently pursuing a degree in engineering or a related field

• Comfortable with physical work including setup, assembly, and post-processing

• Able to work full-time on-site in Palo Alto

• Strong communication and problem-solving skills

• Bonus: Experience with robotics, mechatronics, or general hardware projects

Benefits & Compensation

• Health, dental, and vision insurance

• 401(k) with company match

• Paid time off and holidays

Equal Opportunity Employer
1X is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, ancestry, citizenship, age, marital status, medical condition, genetic information, disability, military or veteran status, or any other characteristic protected under applicable federal, state, or local law.