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ON.energy
Alpharetta, Georgia, United States; Atlanta; Houston, Texas, United States; Miami, Florida, United States; Reston, Virginia, United States; Tysons
Source: ON.energy careers · View original posting
From ON.energy's posting. “We” and “our” refer to the employer.
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.
Senior Commissioning Engineer
Project Site Lead — Mission-Critical Power & Energy Storage
Field-Based / Remote in United States (with travel to active project sites)
~80%
Full-Time, Hourly (Non-exempt, eligible for OT) + GSA Rate per diem eligible while traveling
+
Reports To: Senior
Commissioning Manager
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.
Overview
The Senior Commissioning Engineer serves as the Project Site Lead, providing overall leadership and technical oversight of the commissioning process for ON.energy’s mission-critical, medium-voltage double-conversion UPS systems built on utility-scale BESS equipment (batteries, transformers, PCS, and controls).
Leading site-based teams of 10–50 people from installation through commissioning, acceptance testing, and handover to services, the Senior Commissioning Engineer owns critical-path execution, stakeholder communication, and final commissioning sign-off for the site.
This is a senior, high-travel field leadership role for an engineer with deep BESS and power systems expertise who is equally comfortable leading a large multidisciplinary site team, interpreting a complex test plan, and serving as the customer-facing technical authority on site.
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