Sr. Controls Engineer

Canadian Solar Inc. is a leader in designing and integrating advanced battery energy storage systems. The Sr. Controls Engineer will play a key role in deploying utility-scale Battery Energy Storage Systems across the Americas, collaborating with various internal teams and stakeholders throughout the project lifecycle.

Responsibilities:

• Review project contracts and vendor agreements for controls-related requirements and alignment
• Review and validate project design submittals, including electrical drawings, data flow diagrams, network designs, signal mappings (analog, Modbus, DNP3), electrical power models, and control narratives
• Maintain and organize technical documentation in SharePoint; coordinate documentation flow with vendors and stakeholders
• Develop batch scripts or automation tools to streamline data collection and operational tasks
• Maintain clear, consistent communication with all stakeholders—including customers, vendors, EPCs, and utilities
• Troubleshoot network issues within VPN-secured environments
• Respond to customer and operator requests regarding system modifications, troubleshooting, or enhancements
• Support site commissioning activities for all control-related tasks

Requirements:

• Educational background in Controls Engineering, or a related discipline
• At least 5 years' of experience working with control systems in an electrical generation environment (e.g., SCADA, plant control systems, or similar)
• Demonstrated experience with industrial communication protocols (Modbus, DNP3, TCP/IP)
• Strong understanding of networking, including IP/port mapping, network rules (switch/firewall), subnetting, and VPN structures
• Willingness and ability to travel up to 10–15% national and internationally to project sites and vendor facilities
• Experience working with Inverter-Based Resources (IBR) such as solar, energy storage systems, or alternative generation systems
• Exposure to SCADA systems, substations, protective relays, and transformers