Demand Planner - Factory Service Parts

Lennox International

2d • $64,000 - $84,000 • Onsite

About The Position

The Demand Planner – Factory Service Parts is responsible for driving performance, efficiency, and strategic growth in our parts business. This role oversees PIPO (Phase In/Phase Out) processes, inventory management, and demand planning to ensure we meet customer demand while optimizing resources. The ideal candidate will bring a strategic mindset, deep technical knowledge of parts management, and the ability to lead initiatives that improve the customer experience and strengthen our market position.

Requirements

• Bachelor’s degree in Supply Chain, Business, Statistics, or a related field (Master’s degree preferred).
• years of experience in demand planning, forecasting, or supply chain management, preferably in a manufacturing operation.
• Proficiency with demand planning software, statistical forecasting tools, and data visualization software (e.g., Excel, SAP IBP, Tableau).
• Strong problem-solving abilities and experience with statistical or machine learning techniques in demand forecasting.

Nice To Haves

• Experience improving forecast accuracy, inventory turnover, and OTIF performance
• Ability to influence cross-functional stakeholders and present insights to leadership
• Proven track record of turning complex data into clear, actionable recommendations

Responsibilities

• Develop and maintain statistical forecasts for service parts using advanced statistical models).
• Incorporate product life cycle curves, seasonality, and intermittent demand patterns into forecasting.
• Monitor forecast accuracy and continuously improve models and improve forecast BIAS/MAPE
• Analyze failure rates and usage patterns to predict spare parts demand.
• Understand attachment rates of parts to OEM assemblies and final products.
• Collaborate with engineering and reliability teams to integrate failure data into planning.
• Determine safety stock and reorder points based on service level targets and lead times.
• Manage end-of-life and obsolescence planning for parts.
• Work closely with procurement, supply chain, and service operations to align demand plans.
• Support new product introductions and service readiness planning.
• Provide regular reports on forecast accuracy, inventory health, and service level performance.
• Use ERP and planning tools (SAP, IBP, Oracle, or similar) for data analysis and execution.

Benefits

• tuition reimbursement
• medical, dental, and vision insurance
• prescription drug coverage
• 401(k) retirement plan
• short-term disability insurance
• 8 weeks paid birthing leave
• 2 weeks paid bonding leave
• life and long-term disability insurance
• 12 days paid time off
• 2 paid well-being days
• 1 paid volunteer day
• 12 paid holidays
• 3 floating holidays per year

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees