Purchasing Planning Manager

Sonepar•San Leandro, CA

1d•$93,000 - $110,000•Onsite

About The Position

There’s a Place for You at OneSource Distributors A career at OneSource is more than a job. You’re investing in a brighter, more sustainable future together and joining a team that makes a real difference for our customers. OneSource offers electrical products and services to contractors. If it helps bring electricity to an office, home, factory or other building – you can find it here. We operate throughout Arizona, Hawaii, and all of California. We are part of the Sonepar group, the world’s #1 electrical distributor with over 45,000 associates around the globe. Being “Powered by Difference” means we respect and value diverse perspectives. At OneSource, we offer a supportive culture and great benefits, and as part of the larger Sonepar group, we can provide exciting opportunities to grow your career. What you will do:

Requirements

Bachelor’s degree in supply chain management, Business Administration, or related field.
Minimum 5 years of experience in procurement or planning within electrical products or construction materials.
Strong analytical and forecasting skills with proficiency in ERP systems and planning tools.
Excellent negotiation and vendor management capabilities.
Leadership experience with ability to manage and develop a team.
Proficiency in Microsoft Office Suite and data visualization tools (e.g., Power BI).

Responsibilities

Aggregate and coordinate requests for purchase inquiries from the sales and project teams.
Perform open purchase order follow-up with suppliers to manage delivery expectations.
Maintain ERP purchase order expected dates per vendor data, including changes transmitted electronically via VMI, EDI, or email.
Manage item substitutes in ERP, prioritizing existing products and sourcing new alternatives to meet availability expectations.
Coordinate incoming shipments with receiving department and ensure timely system receipt.
Develop and execute demand planning strategies for building wire, steel, and PVC conduit categories to maximize our rebate opportunities.
Create purchasing plans aligned with sales forecasts and market trends to ensure optimal inventory levels.
Implement inventory optimization techniques to reduce carrying costs while maintaining service levels.
Prepare and present monthly planning reports and KPIs to senior management.
Maintain up-to-date vendor records, including performance metrics and compliance documentation.
Negotiate with vendors to secure favorable pricing, delivery schedules, and long-term agreements.
Monitor supplier performance and maintain strong relationships to ensure continuity of supply.
Participate in Monthly Commodity and Warehouse Meetings, providing updates on vendor supply chain status.
Log and track UET lost sales events in accordance with company procedures.
Ensure lost sales are accurately recorded using correct UET codes and detailed comments for procurement review.
Collaborate with buyers and category managers to address root causes and implement corrective actions.
Utilize dashboards and automated reports to monitor lost sales trends and support inventory right-sizing.
Liaise with external partners, manufacturers, and service providers to source alternatives when existing partner-stocked items are unavailable.
Attend meetings with outside vendors to discuss supply chain performance, product availability, and strategic sourcing opportunities.