Sr. Master Planner Specialist

Canadian Solar Inc.•Mesquite, TX
•Onsite

About The Position

At CS Power Systems, the Sr. Master Planner Specialist supports the company’s clean-energy mission by leading enterprise production planning across multiple manufacturing sites. The role translates demand forecasts, customer orders, inventory targets, and capacity constraints into executable production plans, while optimizing capacity utilization, labor efficiency, inventory investment, and customer commitments. The position facilitates Sales and Operations Planning (S&OP) and Sales and Operations Execution (S&OE), aligning demand, supply, inventory, and capacity plans with business objectives. It evaluates risks and opportunities and provides scenario analysis and recommendations for executive decision-making. The role also develops inventory policies and replenishment strategies, drives inventory optimization and PFEP strategy, and works with Procurement and Supplier Management to improve material availability and supplier performance. It drives effective use of ERP/MRP systems, maintains planning master data, and develops analytics and dashboards to improve visibility and support continuous improvement. Other duties may be assigned.

Requirements

  • Bachelor's degree in Supply Chain Management, Industrial Engineering, Operations Management, Business Administration, or a related field.
  • At least 5 years of experience in manufacturing planning, materials management, supply chain, or operations planning.
  • At least 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 with SAP, Oracle, NetSuite, 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.
  • Ability to influence cross-functional stakeholders and drive execution.
  • 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.
  • Visual acuity to read screens, documents, and reports.
  • Ability to attend meetings and interact with employees, clients, and vendors.
  • Ability to work on-site and coordinate with cross-functional teams.

Nice To Haves

  • 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.

Responsibilities

  • 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 to optimize capacity utilization, labor efficiency, and inventory investment.
  • Manage finite and rough-cut capacity planning to identify bottlenecks and mitigation plans.
  • Ensure level-loaded production schedules 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 while maintaining production continuity and customer service levels.
  • Monitor inventory health, excess and obsolete inventory, inventory accuracy, and working capital performance.
  • Lead PFEP 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.
  • Use data analytics to identify trends, risks, and continuous improvement opportunities.
  • Perform other duties as assigned.
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