Sr. Master Planner Specialist

At CS Power Systems, we’re on a mission to transform lives by delivering clean, solar-powered electricity to millions worldwide—and we’re just getting started. As a cutting-edge division of Canadian Solar, a global leader founded in 2001, we stand at the forefront of manufacturing high-performance solar panels, inverters, and advanced energy storage solutions. In this fast-growing, high-impact industry, our deep commitment to sustainability drives everything we do, creating innovative technologies that power a brighter, greener future.

Across Canadian Solar’s powerful ecosystem—including CS Power Systems, CSPower

Tech, e-STORAGE, Recurrent Energy, MSS, and CSI Solar—we’re deeply invested in our people’s success. If you’re passionate about renewable energy and want to "Make the Difference" by building a lasting positive impact on the planet and communities everywhere, join us at CS Power Systems —where your talent can help shape the clean energy revolution.

Responsibilities include:

• Lead development and maintenance of enterprise master production schedules (MPS) across multiple manufacturing sites.
• Translate demand forecasts, customer orders, inventory targets, and capacity constraints into executable production plans.
• Develop and maintain rolling production plans that optimize capacity utilization, labor efficiency, and inventory investment.
• Manage finite and rough-cut capacity planning processes to identify bottlenecks and mitigation plans.
• Ensure level-loaded production schedules that support customer commitments and operational stability.

• Facilitate monthly S&OP and weekly S&OE processes.
• Align demand, supply, inventory, and capacity plans with business objectives.
• Evaluate risks and opportunities related to forecast changes, capacity constraints, and material shortages.
• Provide scenario analysis and recommendations to support executive decision-making.

• Establish inventory planning policies, safety stock strategies, and replenishment methodologies.
• Drive inventory optimization initiatives while maintaining production continuity and customer service levels.
• Monitor inventory health, excess and obsolete inventory, inventory accuracy, and working capital performance.
• Lead PFEP (Plan for Every Part) strategy development, including part segmentation and replenishment parameters.
• Collaborate with Procurement and Supplier Management teams to improve material availability and supplier performance.

• Drive effective use of ERP/MRP planning systems to improve planning accuracy and execution.
• Analyze planning data and develop dashboards that provide visibility to demand, supply, inventory, and delivery performance.
• Ensure planning master data integrity including lead times, planning parameters, BOMs, and inventory records.
• Utilize data analytics to identify trends, risks, and continuous improvement opportunities.
• All other duties as assigned

• Bachelor’s degree in Supply Chain Management, Industrial Engineering, Operations Management, Business Administration, or related field.
• 5+ years of experience in manufacturing planning, materials management, supply chain, or operations planning.
• 3+ years of progressive experience in Master Planning, Production Planning, or Supply Chain leadership roles.
• Strong experience in high-volume manufacturing environments.
• Advanced ERP/MRP experience (SAP, Oracle, Net Suite, MAPICS, MACPAC, or equivalent).
• Demonstrated experience supporting S&OP and S&OE processes.
• Strong analytical, problem-solving, and decision-making skills.
• Advanced Microsoft Excel and reporting tools experience.
• Proven ability to influence cross-functional stakeholders and drive…