Senior Power Systems Modeling Engineer | Grid Interconnection

on.energy; Houston (TX); On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) with company match

Paid time off and company holidays

Job summary

ON.energy is seeking a Principal Power Systems Modeling Engineer to own power system modeling, validation, and grid performance assessment. You will define standards, lead high-impact simulations, and ensure models accurately reflect ON.energy hardware, controls, firmware, and plant operating modes.

You will support interconnection studies, product qualification, and grid requirements demonstrations, collaborating across R&D, Controls, Test, Product, and external partners.

Qualifications

• Master’s or Ph.D. in Electrical Engineering, Power Systems, or related field.
• 12+ years of advanced power systems modeling experience including EMT, RMS, dynamic modeling, and inverter-based resources.
• Experience with HIL or real-time simulation platforms preferred.
• Strong understanding of ISO and Utility interconnection requirements and NERC standards.
• Leadership to set technical direction and coordinate across engineering teams.

Responsibilities

• Define modeling standards and governance for EMT, RMS, and dynamic models.
• Own model lifecycle management aligned with hardware, firmware, and project configurations.
• Lead EMT and dynamic models supporting interconnection studies and product qualification.
• Coordinate with external consultants, utilities, ISOs, and internal teams for grid requirements.

Skills

Power systems modeling

EMT modeling

RMS modeling

Dynamic modeling

Inverter-based resources

BESS

Large-load studies

Education

Master’s or Ph.D. in Electrical Engineering or Power Systems

Tools

PSCAD

PSSE

PSLF

MATLAB/Simulink

Job description

ON.energy is seeking a Principal Power Systems Modeling Engineer to own power system modeling, validation, and grid performance assessment. You will define standards, lead high-impact simulations, and ensure models accurately reflect ON.energy hardware, controls, firmware, and plant operating modes.

You will support interconnection studies, product qualification, and grid requirements demonstrations, collaborating across R&D, Controls, Test, Product, and external partners.