About the role#
Estes Energy is a technical team building zero-emission power systems for commercial vehicles and equipment. As an Engineering Intern, you will work on live projects alongside senior engineers. You will contribute to actual systems and take ownership of a defined project to drive a measurable result by the end of your term.
What you'll do#
- Contribute to the design, build, and test of components or subsystems.
- Develop and run experiments to test hypotheses and turn data into decisions.
- Build tools, models, fixtures, or analyses that help the team work faster.
- Document your work and present findings to the team.
- Take ownership of a defined project and drive it to a measurable result.
What you'll need#
- Pursuing a degree in Mechanical, Electrical, Chemical, Materials, Manufacturing, Systems, Material Science, Metallurgy, or a related engineering field.
- A bias toward making things, supported by hands-on project, lab, or build-team experience.
- Comfort with experimentation and data, including a focus on data integrity.
- Ability to work independently and collaborate directly.
- A curious and rigorous mindset that challenges assumptions to find the root of a problem.
Location & details#
- Location: San Francisco, California.
- Term: Fall 2026.
- Modality: On-site.
- This is a paid, full-time internship.
About Estes Energy
Estes Energy develops and manufactures electrification systems. The company focuses on high voltage battery systems for mobility sectors. It maintains a US-based supply chain and manufacturing footprint. Founded in 2024, the business operates out of San Francisco with 27 employees.
How to get in at Estes Energy
Applying early gives you a distinct advantage at Estes Energy before the applicant pool becomes unmanageable. Intern Insider sends an instant alert the moment a role matching your target is published anywhere, so you apply among the first and ensure your materials are seen before the pile grows. Reaching the recruiter directly often beats applying into a standard queue. Intern Insider surfaces the recruiters behind the company roles so you can reach out to ask about the position or a potential referral, which materially improves your response rates.



