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 <ul><li>Build custom data pipelines in python to connect and analyze dozens of reliability tests and calculate progress against product requirements</li></ul><ul><li>Replace off-the-shelf software to automate physics and statistical analyses that predict component lifetime in fatigue and environmental stresses</li></ul><ul><li>Collaborate with design and test engineers to analyze field usage, implement accelerated life calculations, and optimize test conditions</li><li>Perform trade and sensitivity studies that guide commercial contract decisions by predicting the maintenance and downtime of new projects or hardware designs </li><li>Build, automate, and execute tests related to your subject area of experience</li></ul><ul><li>Diverse opportunities to deep dive into research papers, literature studies, failure physics, failure analysis, etc. depending on your specific interest and background </li></ul> What You'll Bring - Qualifications:  <ul><li>Pursuing a mechanical engineering, electrical engineering, physics, or equivalent </li></ul><ul><li>Strong understanding of engineering fundamentals in your area of study </li></ul><ul><li>Strong understanding of python, data analysis, and Git usage in small repositories </li></ul><ul><li>Ability to work quickly and leverage AI tools in a fast-paced startup environment   </li></ul>Preferred Qualifications: <ul><li>Experience with hands-on hardware testing and test automation </li></ul><ul><li>Experience with high voltage batteries, power electronics, or similar hardware </li></ul><ul><li>Exposure to hardware reliability first principles </li></ul> 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 <ul><li>Speed Through Focus - Move fast but understand why. Focus on the goal, don't sacrifice quality.  </li></ul><ul><li>Mission Over Self - It's about the greater good; confident humility. Take ownership and accountability.  </li></ul><ul><li>Face the Brutal Truth - Transparency, honesty, big picture curiosity. Fearless decision making.  </li></ul><ul><li>Be a Good Person - Kindness, collaboration and teamwork. </li></ul> Compensation &amp; 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.

<h2>We are Peak Energy. The first American venture to advance globally proven Sodium-Ion battery systems as the storage standard for the new era of renewable energy on a resilient grid.</h2>

Reliability Engineer Intern (Fall 2026)

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 <ul><li>Build custom data pipelines in python to connect and analyze dozens of reliability tests and calculate progress against product requirements</li></ul><ul><li>Replace off-the-shelf software to automate physics and statistical analyses that predict component lifetime in fatigue and environmental stresses</li></ul><ul><li>Collaborate with design and test engineers to analyze field usage, implement accelerated life calculations, and optimize test conditions</li><li>Perform trade and sensitivity studies that guide commercial contract decisions by predicting the maintenance and downtime of new projects or hardware designs </li><li>Build, automate, and execute tests related to your subject area of experience</li></ul><ul><li>Diverse opportunities to deep dive into research papers, literature studies, failure physics, failure analysis, etc. depending on your specific interest and background </li></ul> What You'll Bring - Qualifications:  <ul><li>Pursuing a mechanical engineering, electrical engineering, physics, or equivalent </li></ul><ul><li>Strong understanding of engineering fundamentals in your area of study </li></ul><ul><li>Strong understanding of python, data analysis, and Git usage in small repositories </li></ul><ul><li>Ability to work quickly and leverage AI tools in a fast-paced startup environment   </li></ul>Preferred Qualifications: <ul><li>Experience with hands-on hardware testing and test automation </li></ul><ul><li>Experience with high voltage batteries, power electronics, or similar hardware </li></ul><ul><li>Exposure to hardware reliability first principles </li></ul> 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 <ul><li>Speed Through Focus - Move fast but understand why. Focus on the goal, don't sacrifice quality.  </li></ul><ul><li>Mission Over Self - It's about the greater good; confident humility. Take ownership and accountability.  </li></ul><ul><li>Face the Brutal Truth - Transparency, honesty, big picture curiosity. Fearless decision making.  </li></ul><ul><li>Be a Good Person - Kindness, collaboration and teamwork. </li></ul> Compensation &amp; 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.

Reliability Engineer Intern (Fall 2026)

About the Job

About the Company

Peak Energy

Similar Jobs

Test Engineer Intern, ESS (Fall 2026)

Test Engineer Intern, ESS (Fall 2026)

Hardware Systems Engineering Intern, Summer 2026

Hardware Systems Engineering Intern, Summer 2026

Systems Engineering and Integration Intern

Systems Engineering and Integration Intern

Junior Qualification & Safety Engineering Intern

Junior Qualification & Safety Engineering Intern

Hardware Engineering Intern

Hardware Engineering Intern

Mechanical Engineering Internship - Fall 2026

Mechanical Engineering Internship - Fall 2026

Quality Engineering Intern

Quality Engineering Intern

Mechanical Design Intern (Winter 2027)

Mechanical Design Intern (Winter 2027)

Test Engineer Intern, ESS (Winter 2027)

Test Engineer Intern, ESS (Winter 2027)

Systems Integration and Test Engineer Intern (Fall 2026)

Systems Integration and Test Engineer Intern (Fall 2026)