Senior Control Engineer

Ready to Make a Real Impact? Join e-STORAGE!Who We AreWelcome to e-STORAGE, a proud member of the Canadian Solar Inc. (NASDAQ: CSIQ) family! We’re leading the way in designing, building, and integrating advanced battery energy storage systems for utility-scale projects. Our mission? To accelerate the world’s renewable energy transition and create a more sustainable, resilient energy future for everyone.With our innovative SolBank lithium-iron phosphate battery technology and comprehensive project services, we’re not just building products we’re powering communities and making a difference worldwide.Position Title:
Senior Control EngineerDepartment:
Inverter FirmwareCompensation:
$95,000 - $140,000 + annual bonusReports To:
Director of Digital Inverter FirmwareLocation:
Kitchener, ON (Onsite)Who We AreCS Digital is a digital technology startup focused on providing state-of-the-art digital technology for power solutions. Our first goal is to build a North American based inverter control board, firmware and energy station controller for the BESS industry to compliment Canadian Solar’s String Power Conversion System Medium Voltage Skid for the Battery Energy Storage System (BESS) industry.About the Role:The Senior Control Engineer, specializes in Hardware-in-the-Loop simulation and validation of Power Conversion Systems (PCS) used in utility‑scale Battery Energy Storage Systems.This role focuses on using real‑time digital simulators to emulate grids, inverters, batteries, and power stages in order to validate control firmware, system‑level behavior, protection logic, and grid‑code compliance.You will own the PCS HIL simulation environment, bridging power electronics, control algorithms, firmware, and system requirements to enable fast, repeatable, and certifiable testing.Responsibilities:Design, develop, and maintain Hardware‑in‑the‑Loop (HIL) test environments for PCS and inverter control validation.Build real‑time PCS simulation models, including grid models, filters, transformers, battery models, and protection interfaces.Validate inverter control algorithm firmware, protection strategies, and system behaviors under normal and abnormal operating conditions.Execute test cases covering grid-code compliant functionalities prior to certification testing.Support grid code compliance activities through documented test results and traceability.Expand scope of HIL platform to cover other equipment, technologies and system according to future development plan.Develop automated HIL test scripts and regression test suites to support continuous firmware and control validation.Integrate HIL testing into development workflows and release processes.Debug complex control and system‑level issues using real‑time waveforms, logs,
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