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
Principal Electrical Engineer
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.…
REVIT Designer
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.…
Inventory Accounting Manager
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.…
Project Safety Manager
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.…
Senior Quality Engineer, Korea
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.…
Product Quality Engineer, Korea
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.…
Warranty Claims Specialist
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.…
Treasury Analyst
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.…
Senior Intellectual Property Paralegal
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.…
Commissioning Engineer
Field-based engineer who travels to U.S. project sites to commission, test, and troubleshoot utility-scale battery energy storage systems and power infrastructure for data centers and AI facilities.
Field Service Technician III
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.…
Senior Controls Engineer
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.…
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.