Sr. Demand Planner

About the role

Gentex Corporation is a global leader in personal protection and situational awareness solutions, and we are seeking a Senior Demand Planner to join our team. The Senior Demand Planner is responsible for developing and maintaining demand forecasts, supporting inventory optimization initiatives, and leading business planning activities across a global network of product lines and business units.

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.

Qualifications

The ideal candidate has a Bachelor’s degree in supply chain, Business, Operations Management, Supply Chain, or related field, and 7+ years of experience in Demand Planning, Supply Planning, Inventory Planning, SIOP, or Supply Chain Management relation environments.

Skills

• Strong analytical and problem-solving, and critical-thinking skills.
• Ability to independently develop recommendations and challenge assumptions.
• Excellent communication, presentation and facilitation skills with the ability to engage all levels of the organization.
• Strong project management skills with the ability to prioritize and execute multiple initiatives in a fast-paced environment.
• Ability to lead cross-functional discussions, influence stakeholders, and drive alignment toward business objections.
• Strong understanding of forecasting, inventory management, and supply chain planning concepts.
• Ability to build collaborative relationships and work effectively across multiple functions and leadership levels.
• Continuous improvement mindset with a focus on process standardization, business integration, and operational excellence.
• Proficiency with business intelligence and data visualization tools (e.g., Power BI, Qlik, Tableau, or similar) with the ability to analyze, interpret, and present business data to support planning and decision-making.

Location

Gentex’s Carbondale facility is located in Northeastern Pennsylvania in Lackawanna County, about twenty miles north of Scranton, PA, 50 miles south of Binghamton, NY, and about 125 miles from New York City and Philadelphia.