Test Engineer Intern, ESS (Fall 2026) at Peak Energy

<p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>Job Title:</strong> Test Engineer Intern</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>Location:</strong> Burlingame, CA</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>Department:</strong> Engineering</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>Reports To:</strong> Senior Manager, Test Engineering</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>Position Type:</strong> Internship (Fall 2026)</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">&nbsp;</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>About Peak Energy</strong></p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">Peak Energy is 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.</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">Sodium-Ion is cheap, readily available and safe, making it the leading contender in a rapidly evolving market.</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">Our leadership team is powered by decades of expertise in scaling gigawatt-level innovation at world-class companies such as Tesla, Northvolt, Apple, Powin, Enovix, Zipline, Solid Power, and Fluence. We are backed by strategic investment and product partners such as TDK Ventures and Eclipse Ventures.</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">We are a team of engineers, operators, entrepreneurs, and partners driven by a shared ambition to set the new performance standard for renewable energy and grid resilience.</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">&nbsp;</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>About the Role – Test Engineer Intern</strong></p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">We are looking for a Test Engineer Intern to support our testing and functional verification efforts for our energy storage systems, from battery to power electronics. This role will work closely with design and simulation teams to understand needs, develop procedures, set up and run tests, and report on findings that directly inform the design direction of our products.</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">You will interface with design, simulation, and manufacturing engineering partners and gain hands-on experience across a fast-moving, early-stage energy company. Candidates should be available to begin employment in Fall 2026.</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">The ideal candidate is a self-starter who is hungry for knowledge, holds themselves and others to high standards, and brings a get-it-done attitude to every challenge — big or small.</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">&nbsp;</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>What You'll Do</strong></p> <ul class="[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class="font-claude-response-body whitespace-normal break-words pl-2">Conduct comprehensive testing of functional, high voltage, thermal, and mechanical systems across our energy storage products</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Develop test strategies, plans, and procedures to evaluate key risks</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Spearhead the design and acquisition of testing infrastructure</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Collaborate with engineering teams to ensure design integrity and drive improvements</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Analyze complex test data, report findings, and drive system enhancements</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Identify, diagnose, and resolve intricate technical issues during testing</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Perform root cause analysis on system failures and develop corrective and preventive actions</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Drive innovation in testing methodologies and practices</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Interface tightly with design, simulation, and manufacturing engineering partners to inform design decisions</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Maintain detailed records of tests, analyses, and corrective actions; prepare reports and presentations for internal and external stakeholders</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Drive and participate in a culture of rapid prototyping and automation</li> </ul> <p>&nbsp;</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>What You'll Bring</strong></p> <ul class="[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class="font-claude-response-body whitespace-normal break-words pl-2">Working towards a Bachelor's degree in Mechanical Engineering, Electrical Engineering, Aerospace Engineering, or a related field</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Experience in test engineering, preferably within battery storage or renewable energy sectors</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Strong understanding of electromechanical engineering first principles</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Proficiency in data processing and analysis tools</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Excellent problem-solving skills with the ability to think critically and act decisively</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Strong communication skills with the ability to present complex technical information clearly to both technical and non-technical stakeholders</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Ability to work collaboratively in a fast-paced, dynamic environment</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Proactive ownership mindset with a strong sense of accountability</li> </ul> <p>&nbsp;</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>Preferred Qualifications</strong></p> <ul class="[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class="font-claude-response-body whitespace-normal break-words pl-2">Experience with battery systems, energy storage, or power electronics testing</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Familiarity with automated test systems or rapid prototyping workflows</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Background in reliability, abuse, or environmental stress testing</li> </ul> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">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.</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">&nbsp;</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>Our Core Values</strong></p> <ul class="[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>Speed Through Focus</strong> – Move fast but understand why. Focus on the goal, don't sacrifice quality.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>Mission Over Self</strong> – It's about the greater good; confident humility. Take ownership and accountability.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>Face the Brutal Truth</strong> – Transparency, honesty, big picture curiosity. Fearless decision making.</li> <li class="font-claude-response-body whitespace-normal break-words pl-2"><strong>Be a Good Person</strong> – Kindness, collaboration and teamwork.</li> </ul> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>Compensation &amp; Benefits</strong></p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">The pay for this role is $30/hour. Our competitive benefits package includes:</p> <ul class="[li_&amp;]:mb-0 [li_&amp;]:mt-1 [li_&amp;]:gap-1 [&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3"> <li class="font-claude-response-body whitespace-normal break-words pl-2">Flexible time off</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Comprehensive medical, dental, and vision coverage</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Strong 401(k) plan</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Equity opportunities</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Many great work perks</li> </ul> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">Join us to thrive in a supportive environment while making a meaningful impact in the energy sector!</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">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.</p>