Mechanical Engineering Intern (Summer 2026)

San FranciscoFullTimePosted Jul 2, 2026

Spend a summer designing and prototyping real mechanical hardware alongside the founding hardware team.

What you'll do

  • Contribute to enclosure, structure, and mechanism design for Blackstar's devices.

  • Own a well-scoped project from design through implementation and review.

  • Work directly with senior engineers on prototyping, testing, and design for manufacturing.

What we're looking for

  • Currently pursuing a degree in mechanical engineering or a related field.

  • Proficiency with 3D CAD and a solid grasp of tolerancing and manufacturing basics.

  • Available to work full-time and in person in San Francisco for at least 10 weeks.

Nice to have

  • Hands-on experience with rapid prototyping (3D printing, machining, fabrication).

  • Personal projects, research, or coursework involving mechanical design.

Want jobs like this matched to you?

SimpleCareer scores fresh postings against your résumé so you only see the matches that matter.

Get started free