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

Production & Capacity Planning 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. Sales & Operations Planning (S&OP) 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. Inventory & Material Strategy 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.

ERP/MRP Systems & Analytics 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 Required Qualifications 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 execution.

Preferred Qualifications

APICS/ASCM CPIM, CSCP, or CLTD certification. Experience in solar, electronics, semiconductors, automotive, or other high-volume manufacturing industries. Experience supporting multi-site manufacturing operations. Knowledge of Lean Manufacturing, Kanban, PFEP, and Demand-Driven Planning methodologies. Experience with Power BI, Tableau, or other business intelligence tools.

Bilingual English/Mandarin is a plus. Physical Requirements and Working Conditions Ability to sit for extended periods while working at a computer Frequent use of hands and fingers for typing, filing, and operating office equipment Occasional standing, walking, bending, and reaching Ability to lift and carry light office materials (up to 10–15 lbs), such as files or office supplies Visual acuity to read screens, documents, and reports Ability to attend meetings and interact with employees, clients, and vendors May require occasional overtime or weekend support Ability to work on-site and coordinate with cross-functional teams #CSPower.

Systems