On.Energy is a Miami-headquartered independent power producer that develops, integrates and operates AI-driven battery energy storage systems across the Americas.
<div class="content-intro"><p>ON.energy is building the power infrastructure that makes the AI era possible. As AI demand surges past what the grid and traditional data centers can support, ON.energy provides a new class of power technology proven at gigawatt scale and trusted by the world’s leading cloud and AI companies. Our systems are already deployed across 2.5 GW of hyper-scale campuses, validated by top U.S. national labs, and certified for grid-safe operation by major utilities. With real products in the field, we’re scaling faster than the grid can, transforming power from a bottleneck into a competitive advantage for the companies building the future.</p></div><p><span style="text-decoration: underline;"><strong>Job Summary</strong></span></p> <p>We are looking for a QA Engineer with strong Python skills and hands-on experience in UI automation (Playwright, Selenium) to design, build, and maintain automated test suites. You'll work closely with developers and product teams to ensure high-quality releases through a mix of automated and manual testing practices.</p> <p><span style="text-decoration: underline;"><strong>Key Responsibilities</strong></span></p> <ul> <li>Design, develop, and maintain automated UI test scripts using Playwright and/or Selenium with Python</li> <li>Build and maintain a scalable test automation framework (Page Object Model or similar design patterns)</li> <li>Perform API testing (using Postman, requests library, or REST Assured) to validate backend functionality</li> <li>Integrate automated tests into CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI, Azure DevOps)</li> <li>Identify, log, and track defects through resolution using tools like JIRA</li> <li>Analyze test results, debug failures, and maintain test stability (handling flaky tests, waits, synchronization issues)</li> <li>Collaborate with developers and product owners to understand requirements and define test strategy/coverage</li> <li>Participate in Agile/Scrum ceremonies (sprint planning, stand-ups, retrospectives)</li> <li>Maintain test documentation — test plans, test cases, and automation coverage reports</li> <li>Contribute to code reviews of test scripts and automation framework improvements</li> </ul> <p><span style="text-decoration: underline;"><strong>Required Skills & Qualifications</strong></span></p> <ul> <li>3–5 years of QA experience with a strong focus on automation</li> <li>Proficient in Python for test scripting</li> <li>Hands-on experience with Playwright and/or Selenium WebDriver</li> <li>Solid understanding of SDLC, STLC, and QA methodologies (manual + automated)</li> <li>Experience with test management/bug tracking tools (JIRA, TestRail, Zephyr)</li> <li>Familiarity with version control and CI/CD pipelines</li> <li>Experience with API testing tools/libraries (Postman, requests, REST Assured)</li> <li>Strong understanding of test design techniques (boundary value analysis, equivalence partitioning, etc.)</li> <li>Good analytical, debugging, and communication skills</li> </ul> <p><span style="text-decoration: underline;"><strong>Preferred/Nice-to-Have</strong></span></p> <ul> <li>Experience with pytest or unittest frameworks</li> <li>Exposure to Docker/containerized test environments</li> <li>Experience with BDD frameworks (Behave, pytest-bdd, Cucumber)</li> <li>ISTQB certification</li> <li>Basic SQL/database validations</li> </ul><div class="content-conclusion"><hr> <p><strong>For US-based roles - What you’ll get:</strong></p> <ul> <li>Competitive salary + annual performance-based bonus eligibility</li> <li>Medical, dental, and vision insurance</li> <li>401(k) with company match</li> <li>Paid time off and company holidays </li> </ul> <p><strong>For Mexico-based roles - What you’ll get:</strong></p> <ul> <li>Competitive salary + annual performance bonus eligibility</li> <li>Christmas Bonus (Aguinaldo): 30 days</li> <li>Major medical expenses and life insurance</li> <li>Paid time off and holidays (per local policy)</li> </ul> <p><strong>For all roles:</strong></p> <ul> <li>Professional development and growth opportunities</li> <li>Opportunity to grow with a mission-driven team shaping the future of clean energy</li> <li>Equal Opportunity: ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.</li> <li>Accommodations: If you need an accommodation during the application process, email <a href="mailto:recruitment@onenergystorage.com">recruitment@onenergystorage.com</a></li> <li>Benefits vary by role and location and are subject to change.</li> </ul></div>