
Peak Energy
Job Title: Reliability Engineer Intern
Location: Burlingame, CA
Department: ESS Engineering
Reports To: Staff Reliability Engineer
Position Type: Internship (Fall 2026)
About the Job
Reliability engineering works at the intersection of design, test, systems, and commercial teams to predict, validate, and optimize when and how our product will fail in the field. We’re looking for a hardware engineer comfortable with data analysis automation to help scale ESS reliability by building custom, integrated python tools, implementing reliability studies, and getting hands-on with testing of parts like HV battery packs, devices, and electronics.
The subject matter is highly teachable, and the ideal candidate is an enthusiastic learner with strong engineering first principles. This is a unique opportunity to learn a rarely-taught subject area in a fast-paced startup environment, and is a great stepping-stone for aspiring reliability, test, or design engineers.
About the Role – Reliability Engineer Intern
What You'll Bring - Qualifications:
Preferred Qualifications:
Peak Energy is committed to building a diverse and inclusive workforce. We strongly encourage women, people of color, and individuals from underrepresented groups to apply. We value skills, potential, and perspective over specific credentials. If you’re excited about this role but your experience doesn’t look perfect on paper, we still want to hear from you.
Our Core Values
Compensation & Benefits
The hourly rate for this role is $30/hr. Join us to thrive in a supportive environment while making a meaningful impact in the energy sector!
At Peak Energy Technologies Inc., we believe that a diverse and inclusive workplace makes us a more capable, innovative, and competitive company. We welcome people who represent diversity in their backgrounds, ethnicities, cultures, and experiences. Peak Energy Technologies Inc. is an equal opportunity employer, aiming to reach our company’s full potential by cultivating an inclusive workforce. We do not discriminate on the basis of race, color, ancestry, religion, national origin, sexual orientation, citizenship, marital or family status, disability, gender identity or expression, veteran status, or any other legally protected status.

Peak Energy is an American venture setting the standard in low-cost, giga-scale storage for the new era of clean, affordable, and reliable energy.
Our leadership team is powered by decades of expertise in scaling giga-watt-level innovation at world-class companies such as Tesla, Northvolt, SunPower, Fluence, and Enovix.
Pioneering US-based vertical integration of Sodium-Ion Battery Energy Storage in partnership with leading Independent Power Producers and utilities, we will deploy systems from 2025, alongside a domestic Giga-Battery-Factory by 2027.
We are a team of engineers, operators, entrepreneurs, and partners driven by a shared ambition to set the performance standard for renewable energy and grid resilience.