Senior Global Demand Planner & SIOP Leader

Gentex Corp.; Carbondale (PA); On-site; USD 95,000 - 135,000; Full time

Job summary

Gentex Corporation in Carbondale, PA, is seeking a Senior Demand Planner to own demand forecasts, support inventory optimization, and lead planning activities across global product lines.

You will partner with Sales, Operations, Product Management, Customer Service, and Supply Chain to align demand with supply and business goals. The ideal candidate brings 7+ years in planning, ERP experience (prefer SAP), and strong analytical and communication skills.

Qualifications

• Bachelor's degree in supply chain, business, operations management, or related field.
• 7+ years in Demand Planning, Supply Planning, Inventory Planning, SIOP, or Supply Chain Management roles.
• Experience leading and supporting cross-functional initiatives.
• Manufacturing planning experience required.
• Experience utilizing ERP systems, preferably SAP, to support planning, inventory, and business processes.
• Advanced Excel skills with the ability to analyze large data sets and develop actionable insights.
• Experience evaluating inventory strategies and planning parameters, including safety stock, reorder points, service levels, and inventory optimization initiatives.

Responsibilities

• Own demand forecasts for assigned product lines and business units.
• Analyze historical sales, bookings, backlog, customer demand signals, and market trends.
• Identify forecast risks and opportunities and recommend corrective actions.
• Support monthly Demand Review, Supply Review, and SIOP processes.
• Monitor inventory performance including safety stock, reorder points, max levels, DOS, and inventory turns.
• Recommend inventory planning parameter changes to improve service and reduce excess inventory.
• Evaluate demand plans against manufacturing and supply chain constraints.
• Partner with Operations to understand capacity limitations and inventory impacts.
• Support annual budgeting, projections, and long-range planning activities.
• Develop inventory and forecasting analyses to support business decisions.
• Monitor forecast accuracy, bias, service levels, and inventory metrics.
• Participate in continuous improvement initiatives related to planning processes and ERP systems.
• Prepare executive-level summaries and recommendations for leadership review.

Skills

Analytical thinking

Communication

Project management

Cross-functional collaboration

Forecasting

Education

Bachelor's degree in supply chain, Business, Operations Management, Supply Chain, or related field

Tools

SAP ERP

Advanced Excel

Power BI

Qlik

Tableau

Job description

Gentex Corporation in Carbondale, PA, is seeking a Senior Demand Planner to own demand forecasts, support inventory optimization, and lead planning activities across global product lines.

You will partner with Sales, Operations, Product Management, Customer Service, and Supply Chain to align demand with supply and business goals. The ideal candidate brings 7+ years in planning, ERP experience (prefer SAP), and strong analytical and communication skills.