Lead BESS Inverter Performance Engineer

e-STORAGE; United States; Remote; USD 100,000 - 140,000; Full time

Job summary

e-STORAGE, part of the Canadian Solar family, seeks a Senior BESS Inverter Performance Engineer to diagnose inverter-related issues across operating projects. You will own root-cause analysis, vendor coordination, and retrofit planning, with up to 20% travel.

Role requires 5+ years in renewables/BESS, strong inverter and SCADA knowledge, and proficiency in Excel/Smartsheet for tracking actions and validation. Canada or USA-based with a competitive package.

Qualifications

• Engineering degree in electrical, computer, or mechanical engineering with at least five years in renewable energy or battery energy storage.
• Strong knowledge of inverter operation, dispatch control, firmware/software behavior, controls logic, and hardware design.
• Power systems knowledge preferred (voltage control, frequency response, real/reactive power).
• Experience troubleshooting inverter or BESS issues using operational data and event logs.
• Experience managing corrective action or retrofit rollouts across multiple sites, including status tracking and closure reporting.
• Proficiency with Excel, Smartsheet, or similar tools for issue logs and dashboards.
• Knowledge of SCADA protocols (DNP3, Modbus).
• Willingness to travel up to 20%.

Responsibilities

• Prioritize, investigate, and drive corrective actions for inverter-related performance issues across operating BESS projects.
• Perform root cause analysis using operational data and site evidence to distinguish software, firmware, controls, hardware, design, and power system issues.
• Maintain vendor issue logs with status, root cause, corrective action, validation and closure.
• Review vendor release notes, firmware updates, and retrofit proposals for technical adequacy and risk.
• Define corrective actions, retrofit requirements, and deployment plans with vendors.
• Support troubleshooting of voltage, frequency, real power, and reactive power distribution with site/grid conditions.
• Track retrofit rollouts with assets, status, validation evidence, risks, and closure criteria.
• Ensure activities comply with safety protocols and engineering standards.

Skills

Inverter operation

Controls logic

Firmware behavior

Power systems

SCADA protocols

Vendor coordination

Travel readiness

Education

Electrical/Comp Eng. degree

Tools

Excel

Smartsheet

Job description

e-STORAGE, part of the Canadian Solar family, seeks a Senior BESS Inverter Performance Engineer to diagnose inverter-related issues across operating projects. You will own root-cause analysis, vendor coordination, and retrofit planning, with up to 20% travel.

Role requires 5+ years in renewables/BESS, strong inverter and SCADA knowledge, and proficiency in Excel/Smartsheet for tracking actions and validation. Canada or USA-based with a competitive package.