onenergy · Houston, Texas, United States; Miami, Florida, United States; Reston, Virginia, United States
Skills: Python
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. Principal RTDS Engineer - HIL Testing (Houston, TX location - local, relocation or remote with travel required) Role Summary The Principal RTDS Engineer is the technical authority for ON.energy’s hardware-in-the-loop and real-time simulation capability. The role owns the architecture, build-out and operation of the HIL lab in Houston, centered on RTDS. It sets the test strategy and standards used to validate ON.energy’s storage and power conversion products, including the AI UPS™. Working across controls, firmware, power systems modeling and product engineering, this role decides how products are proven before release. It combines hands-on technical leadership with responsibility for the methods, tools and people that make validation scalable. Key Responsibilities Define and own the HIL and real-time simulation strategy, including lab architecture, platform roadmap, and the balance between controller-in-the-loop and power-hardware-in-the-loop testing. Lead the design, specification, procurement, commissioning and expansion of the RTDS-based HIL lab, including simulator hardware, I/O, signal conditioning, amplifiers and data acquisition. Establish the standards for real-time models of plant, grid and equipment behavior, and personally develop the most complex models. Set the integration approach for product controllers, control software and firmware, including configuration management and version control of models and test environments. Own the validation framework: test plan templates, acceptance criteria, coverage expectations and sign-off for functional, performance, fault, boundary-condition and regression campaigns. Act as final technical reviewer of control…
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