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.

Job Summary

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.

Key Responsibilities
- Design, develop, and maintain automated UI test scripts using Playwright and/or Selenium with Python




- Build and maintain a scalable test automation framework (Page Object Model or similar design patterns)
- Perform API testing (using Postman, requests library, or REST Assured) to validate backend functionality
- Integrate automated tests into CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI, Azure DevOps)
- Identify, log, and track defects through resolution using tools like JIRA
- Analyze test results, debug failures, and maintain test stability (handling flaky tests, waits, synchronization issues)
- Collaborate with developers and product owners to understand requirements and define test strategy/coverage
- Participate in Agile/Scrum ceremonies (sprint planning, stand-ups, retrospectives)
- Maintain test documentation — test plans, test cases, and automation coverage reports
- Contribute to code reviews of test scripts and automation framework improvements

Required Skills & Qualif

📌 Quality Assurance Engineer (México)
🏢 On.Energy
📍 México