Purchasing Manager

About National Lumber Co.
National Lumber is a fifth-generation, family-owned building materials supplier serving professional contractors, builders, and remodelers. With our expansion into Rockville, we are entering a new phase of growth focused on scaling operations, improving inventory discipline, and delivering exceptional service across multiple locations.

Position Overview
We are seeking a Purchasing Manager to take ownership of inventory purchasing, inventory analysis, and vendor coordination across our Baltimore and Rockville locations. This is an onsite and crucial role that requires daily collaboration with our sales, operations, and leadership teams. The ideal candidate will bring a hands‑on, startup mentality and be highly engaged in the day-to-day execution of purchasing and inventory management.

This role is critical in ensuring inventory control, improving efficiency, and enabling scalable growth across locations. This position will also assist in managing vendor partnerships and will play a key role in improving how we buy, stock, and manage inventory as we grow.

Work Environment
Onsite role with interaction across both locations
Time spent in Baltimore and Rockville
Requires strong communication and collaboration

• Purchasing & Inventory Management:
  • Execute purchasing across all core product categories
  • Maintain appropriate inventory levels based on sales velocity
  • Develop and manage min/max levels for core SKUs
  • Monitor stock levels across both locations
• Inventory Analysis & Reporting:
  • Analyze inventory performance (turns, GMROI, etc.)
  • Identify slow-moving inventory and drive sell-through
  • Maintain A/B/C classifications and support D-item reduction
  • Provide reporting to leadership
• Vendor Coordination:
  • Assist in managing vendor relationships
  • Coordinate pricing, lead times, and availability
  • Support vendor negotiations
• Cross‑Functional
  
  Collaboration:
  • Work with sales and operations teams
  • Support scalable inventory systems
• Team Support & Oversight:
  • Ensure accountability and execution across purchasing processes

• 3–7+ years in purchasing or inventory management
• Degree or certification in Supply Chain Management preferred
• Experience in building materials preferred
• Strong analytical, Excel and AI skillset
• Organized and detail‑oriented
• ERP experience
• Self‑starter mindset
• Comfortable using technology and AI tools
• Ability to analyze data and trends

• Salary range, including bonus $90,000–120,000
• Health, Dental, and Vision Insurance
• Paid Time Off (PTO & holidays)
• Simple IRA with company 3% match
• Employee Discounts on company products/services
• Career Growth Opportunities and training programs
• Modern Fleet with well‑maintained vehicles
• Supportive Team Environment focused on safety and success