Demand Planner - Factory Service Parts
About The Position
Lennox (NYSE: LII) Driven by 130 years of legacy, HVAC and refrigeration success, Lennox provides our residential and commercial customers with industry-leading climate-control solutions. At Lennox, we win as a team, aiming for excellence and delivering innovative, sustainable products and services. Our culture guides us and creates a workplace where all employees feel heard and welcomed. Lennox is a global community that values each team member’s contributions and offers a supportive environment for career development. Come, stay, and grow with us. 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).
- 3 -5 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
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
