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Supply Chain Demand Manager
Northampton, MA

Full-Time

A company is hiring a Supply Chain Demand Manager to develop, manage, and continuously improve demand forecasting and planning processes across product lines, customers, regions, and sales channels. This role ensures alignment among Sales, Marketing, Finance, Operations, and Supply Chain to support product availability, inventory optimization, cost control, and customer service, leading demand planning activities within the S&OP or IBP process.

Schedule
Full-time.

Compensation
$100,000 to $110,000 per year.

What You'll Do
This manager develops, maintains, and improves statistical and consensus-based demand forecasts across product lines, customers, channels, and regions, leading the demand-planning component of the S&OP/IBP process to ensure cross-functional alignment on forecasts, assumptions, risks, and business priorities. The role analyzes historical sales, customer demand, market trends, seasonality, promotional activity, and new product introductions affecting demand, partnering with Sales, Marketing, Finance, Operations, and Supply Planning to gather business intelligence and establish one approved demand plan. This position monitors forecast performance using metrics such as forecast accuracy, MAPE, and bias, identifies root causes of forecast variances, and implements corrective actions to improve planning accuracy. The manager supports inventory strategies by providing demand-based recommendations for safety stock, service levels, and inventory positioning, and identifies and mitigates risks related to shortages, excess inventory, supply constraints, and demand volatility. This role develops demand plans for new product introductions, product transitions, engineering changes, and discontinuations, and works closely with Supply Planning to balance customer demand with production capacity, material availability, lead times, and inventory objectives. The manager drives continuous improvement in demand-planning processes, systems, and data quality, evaluates advanced analytics and AI or machine-learning forecasting capabilities where appropriate, prepares and presents demand reviews, KPI dashboards, and executive-level summaries, and establishes demand-planning policies and best practices.

Required Qualifications

• Bachelor's degree in Supply Chain Management, Business, Operations, Statistics, Engineering, or a related field
• Minimum of 5 years of progressive experience in demand planning, forecasting, supply chain planning, production planning, or a related discipline
• Demonstrated experience leading or actively contributing to S&OP or IBP processes
• Proven ability to improve forecast accuracy and convert complex data into actionable business recommendations
• Experience working within an ERP/MRP environment and using demand-planning or supply-chain planning systems
• Advanced proficiency in Microsoft Excel and experience with reporting, visualization, or analytical tools
• Strong understanding of inventory management, safety stock, capacity planning, and supply-and-demand balancing
• Strong analytical, problem-solving, organizational, and decision-making skills
• Excellent written and verbal communication skills, including the ability to present to senior leadership
• Ability to collaborate across departments, influence stakeholders, and challenge assumptions constructively

Preferred Qualifications

• Master's degree in Supply Chain Management, Business Administration, Analytics, Engineering, or a related field
• APICS/ASCM certification, such as CPIM or CSCP
• Demand-planning experience within aerospace, defense, or a complex manufacturing environment
• Experience managing demand for products with long lead times, constrained materials, engineering changes, or complex bills of material
• Experience with advanced forecasting tools, business intelligence platforms, or AI/ML-supported planning applications

Compensation and Benefits

• $100,000 to $110,000 per year
• Standard benefits (medical, dental, vision, 401k, PTO)

To apply, submit your resume for consideration.