Senior Quality Assurance Engineer - Cloud & Data Platforms

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Description

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 looking for a Senior QA Engineer to validate our AWS cloud infrastructure, data platforms and operational tooling. You'll make sure that access controls, deployments, pipelines, security fixes and data products work correctly, securely and reliably before they reach production. You'll work closely with the DevOps, Cyber Security, Data Engineering and Data Science teams in a multi-account AWS environment. KEY RESPONSIBILITIES Validate AWS access management (IAM, SSO, cross-account access, SCP guardrails). Test deployments, configuration changes and environment consistency. Validate network and firewall changes (Transit Gateway, VPN, Route 53, WAF). Verify remediation of security findings and retest to confirm closure. Validate CI/CD pipeline adoption, quality gates and rollback. Test alerts, alarms and Grafana dashboards for accuracy and correct routing. Perform database checks and performance testing. Test data lake and ETL pipelines, including the Data Catalog and Data Quality Dashboard. Validate legacy asset management data and track related bugs to resolution. Support AWS service upgrades and migration testing as needed. Maintain test plans, test cas

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