ON.energy
Providing AI-ready power infrastructure and utility-scale energy storage systems.
Company facts
- Founded
- 2016
- Employees
- 123
- Headquarters
- United States
- Type
- Private
- Funding
- Debt Financing · $77.6M · 2025
About
ON.energy develops and operates hyperscale power systems for mission-critical applications, specializing in resilient infrastructure for AI data centers, industrial facilities, and grid-scale assets. The company delivers custom solutions encompassing battery energy storage, uninterruptible power supplies, and microgrids, leveraging patented technology and proprietary software to address complex power challenges. ON.energy’s core value proposition centers on providing reliable, grid-safe power solutions that ensure business continuity and enable the rapid growth of emerging technologies like AI. With expertise spanning energy storage, renewable energy integration, and power quality, ON.energy offers opportunities for professionals in engineering, software development, and the broader energy sector to contribute to cutting-edge infrastructure projects worldwide.
Open positions
AWS Data Engineer
Data engineer (4th hire on the data team) building and scaling ON.energy's AWS-based data lakehouse, focused on ETL/ELT pipelines and high-volume time-series ingestion from industrial power systems. Core stack: AWS Glue, Athena, Lambda, S3, Apache Iceberg, PySpark, SQL, and Terraform.
Quality Assurance Engineer - Manual Testing
Manual QA Engineer for ON.energy’s ERP systems in Mexico City, testing Finance, HR, Inventory, and Procurement modules, coordinating UAT, and supporting data migrations.
Quality Assurance Engineer - Automation
Designs and maintains automated UI and API tests using Python, Playwright/Selenium, and CI/CD pipelines to ensure high-quality releases for a clean-energy infrastructure company.