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Who We Are
Welcome 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: BESS Associate Validation Engineer
Department: Engineering
Entity: CS e-Storage
Reports To: Sr. Deployment Engineering Manager (AMER)
Location: Remote, Canada & US
Position Summary:
The Associate Validation Engineer plays a pivotal role in leading hands-on integration, functional testing, and coordination for utility-scale Battery Energy Storage Systems (BESS). Combining field coordination with technical execution, this role is responsible for authoring test procedures, executing subsystem-to-system validation, and diagnosing complex hardware, software, and industrial networking issues across PCS, BMS, and EMS platforms.
Key Responsibilities:
Coordinate schedules and manage logistics for BESS subsystem/system testing (PCS, EMS, BMS, BCI, safety systems)—including test equipment inventory, tool shipments, site access, and field personnel.
Maintain validation test plans, issue logs, execution trackers, and punch lists, delivering regular progress reports to internal and external project stakeholders.
Track open validation issues and collaborate cross-functionally with internal development teams, technical leads, and vendors to facilitate timely resolution.
Support field teams with current validation documentation and revision control, ensuring pre-test conditions are satisfied and executed in compliance with project standards and timelines.
Contribute to the optimization of validation workflows, testing methodologies, tools, and standardized templates.
End-to-end ownership of integration and validation documentation—authoring detailed test procedures, defining acceptance criteria, executing tests directly or directing third parties, analyzing raw test logs against pass/fail criteria, and completing test reports.
Design test architecture setups, including physical wiring, hardware interfaces, auxiliary equipment, and software tools.
Own and execute all validation tasks related to Canadian Solar vertically integrated product line, included but not limited to BESS, Inverters and Plant Controllers with support from cross-functional engineering teams.
Perform hands-on testing, signal analysis, and hardware/software/communications troubleshooting across BESS, BCIs, PCS, and BPC control hardware during integration testing.
Interface and collaborate with third-party certifying labs and agencies (NRTLs such as UL, CSA, Intertek) to coordinate and execute validation testing required for system-level safety and compliance certifications.
Related Experience:
2+ years in energy, renewables, industrial controls, or utility-scale infrastructure projects.
Experience supporting validation, integration, or commissioning efforts involving power systems, automation, or SCADA.
Exposure to or familiarity with BESS-related subsystems such as PCS, EMS, BMS, or protective relaying.
Familiarity with or exposure to product certification standards (including but not limited to UL 9540, UL 1741, UL 1973, and UL 1998) and working with accredited testing laboratories.
Hands-on experience with technical documentation, test execution tracking, and issue management tools (e.g., Excel, Jira, SharePoint, Trello, Smartsheet).
Understanding of electrical single-line diagrams, network block diagrams, and validation workflows.
Experience…