Mechanical Engineering Intern
Mariana MineralsSan Francisco, California, United States
Posted April 14, 2026
Full Time
About the Company
Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply critical minerals powering modern energy, AI, and defense technologies.
Job Description
Mariana Minerals is a software-first, vertically integrated minerals company looking for a Mechanical Engineering Intern to work on real, high-impact problems within the Pilot Plant Operations team in San Francisco.
Requirements
- Currently pursuing or recently completed degree in mechanical engineering or a related field
- Strong fundamentals in mechanical design documentation
- Hands-on experience designing or supporting industrial equipment
- Ability to design mechanical solutions, troubleshoot problems, and analyze complex datasets independently
- Excellent technical writing, communication, and teamwork skills