About the role#
The Reliability & Hardware Testing team at Lunar Energy is looking for a Hardware Test Engineering Intern for Winter 2027. You will support the validation of home energy products throughout their lifecycle. This is a full-time, paid, on-site position based in Mountain View, California.
What you'll do#
- Perform hardware validation testing.
- Design and build test stands for PCBA testing in collaboration with technicians.
- Specify the necessary test stand equipment and instrumentation.
- Write Python scripts to automate tests and process data.
- Use AI assistants and coding tools to support your engineering workflow.
- Assist with failure analysis investigations and validate countermeasures for test or field failures.
- Partner with electrical, mechanical, and firmware engineers to develop test methodologies.
- Analyze test data, write reports, and summarize findings.
- Contribute to ongoing test infrastructure improvements.
What you'll need#
- You are currently pursuing a Bachelor’s degree in Computer, Electrical, or Mechanical Engineering.
- A background in Mechatronics or Electrical Engineering is preferred.
- You have hands-on project experience and a high level of curiosity.
- You possess a working knowledge of electronics and circuit analysis.
- You have a working knowledge of programming, with Python and object-oriented programming experience preferred.
- Experience with test equipment like power supplies, multimeters, DAQs, and various sensors is preferred.
- Familiarity with statics, mechanics of materials, and heat transfer is a plus.
- Familiarity with testing embedded or IoT systems and wireless communications like Wi-Fi, mesh networks, or BLE is a plus.
- Basic mechanical design experience or familiarity with CAD software and PCBA design is a plus.
Location & details#
- Location: Mountain View, CA
- Term: Winter 2027
- Work Modality: On-site
- Compensation: $30 to $40 per hour, depending on experience
- Sponsorship: Not available
About Lunar Energy
Lunar Energy manufactures renewable energy equipment for residential use. Founded in 2020, the company is based in Mountain View, California. It produces home battery systems and solar energy products. The company also develops energy management software to control distributed energy resources. It currently employs 249 people.
How to get in at Lunar Energy
Applying early to Lunar Energy gives you a distinct advantage because recruiters review applications before the pile grows. Intern Insider sends an instant alert the moment a role matching your target is published, so you can be among the first to submit your materials. This timing often makes the difference between being seen and getting lost in the shuffle. You can reach out to the recruiters behind Lunar Energy roles directly to ask about the position or a potential referral, which materially improves your response rates. Intern Insider surfaces these specific contacts to help you bypass the standard queue. Connecting with a human recruiter shows initiative and provides a clearer view of what the team needs.



