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Quality Assurance Engineer - Manual Testing
ON.energy, Mexico City, Mexico City, Mexico +1
About the job
ON.energy is setting the standard for large load interconnection. ON’s patented AI UPS™ is a medium-voltage UPS that serves as a firewall, protecting the data center from the grid, and the grid from the data center. With multiple gigawatts currently under construction, we are enabling grid-safe data centers.
Role Summary
We're seeking a Quality Assurance Engineer with Manual Testing experience, to be based in Mexico, supporting our IT division's ERP systems and business applications. This role blends requirements gathering, business process analysis, and hands-on functional, regression, and integration testing for ERP modules including Finance, HR, Inventory, and Procurement. The ideal candidate will partner closely with business stakeholders, technical teams, and ERP vendors, while leading UAT efforts, validating data migrations, and providing Service Desk support to keep our ERP environment reliable and running smoothly.
Key Responsibilities
- Gather and document business requirements from stakeholders and end users
- Conduct business process analysis to identify gaps, inefficiencies, and improvement opportunities
Support ERP integration testing — validate data flows, interfaces, and functionality across integrated ERP modules/systemsDesign and execute functional test cases for ERP modules (e.g., Finance, HR, Inventory, Procurement) based on business requirementsPerform regression testing after ERP patches, upgrades, or configuration changes to ensure existing functionality is unaffectedConduct interface/integration testing between ERP and connected third-party systems (validate data mapping, transformation, and sync accuracy)Plan and execute User Acceptance Testing (UAT) with business users; document test scripts, results, defects, and sign-offLog and track defects found during testing through resolution (using tools like JIRA, ServiceNow, Azure DevOps)Validate data migration accuracy during ERP upgrades or system transitionsAct as a liaison between business users, technical teams, and ERP vendors to clarify requirements and resolve issuesProvide Service Desk support — triage, log, and resolve tickets related to ERP systems and general IT issuesPerform basic system administration tasks (user access, configuration checks, system health monitoring) as neededTrain end users on new ERP functionality/processes as neededEscalate unresolved technical issues to appropriate teams and track through to closureRequired Skills & Qualifications
- Experience working with ERP systems (e.g., SAP, Oracle, Microsoft Dynamics, or similar)
- Strong background in requirements gathering and business analysis
- Hands-on experience with ERP integration, functional, and regression testing
- Experience coordinating and executing UAT with business stakeholders
- Working knowledge of system administration (user accounts, permissions, basic troubleshooting)
- Experience supporting a Service Desk/helpdesk environment (ticketing tools like ServiceNow, Jira Service Management, Zendesk)
- Strong communication skills — comfortable working directly with end users and stakeholders
- Good documentation skills (requirements docs, test cases, test scripts, process maps)
Note: This position may include 20% annual business travel
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For US-based roles - What you’ll get
- Competitive salary + annual performance-based bonus eligibility
- Medical, dental, and vision insurance
- 401(k) with company match
- Paid time off and company holidays
For Mexico-based roles - What you’ll get
- Competitive salary + annual performance bonus eligibility
- Christmas Bonus (Aguinaldo): 30 days
- Major medical expenses and life insurance
- Paid time off and holidays (per local policy)
For all roles
- Professional development and growth opportunities
- Opportunity to grow with a mission-driven team shaping the future of clean energy
- Equal Opportunity: ON.energy is committed to equal employment opportunity and to maintaining a work environment free of harassment, discrimination, or retaliation.
- Benefits vary by role and location and are subject to change.
Agency Notice: ON.energy does not accept unsolicited resumes from staffing agencies, search firms, or third-party recruiters. Resumes submitted without a fully executed Master Services Agreement (MSA) and a written request from an authorized member of our Talent Acquisition team will be considered the property of ON.energy. No placement fees or compensation will be paid for unsolicited candidate submissions.
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Source: the ON.energy Greenhouse job board. We last checked this job 8 h ago. We first saw it 3 days ago. A job on a job board does not always mean that the team interviews people now. We found this job board in a public list. We did not yet compare it with the careers page of the company.
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