Purchasing Supervisor

Purchasing Supervisor – Plastpro Los Angeles, CA | Full-Time

Reports to:

Senior Purchasing Manager About UsPlastpro is a leading manufacturer of high-quality fiberglass entry doors and building products. Our manufacturing operations depend on a global supplier network to provide the raw materials, components, equipment, and supplies needed to keep production running efficiently.

We are seeking an experienced Purchasing Supervisor to oversee day-to-day purchasing activities, coordinate material orders, manage supplier communication, and supervise members of the purchasing team.

This is a hands-on role with significant interaction with suppliers in China and Taiwan, making Mandarin Chinese proficiency highly valuable.

The Opportunity The Purchasing Supervisor will work closely with the Senior Purchasing Manager to ensure materials and components are ordered accurately, delivered on time, and available to support manufacturing requirements.

You'll be responsible for the daily execution of purchasing activities—from reviewing material requirements and issuing purchase orders to following up with suppliers, monitoring shipments, resolving discrepancies, and maintaining accurate purchasing records.

You'll also supervise purchasing team members and help implement improved processes, procedures, and controls as Plastpro continues to strengthen its procurement and supply chain operations.

What You'll DoPurchasing & Material Orders Manage day-to-day purchasing of raw materials, components, equipment, supplies, and services.

Coordinate inventory-related purchasing from suppliers in China and Taiwan.

Review material requirements and purchase requisitions for accuracy and completeness.

Issue and manage purchase orders in accordance with established purchasing guidelines.

Monitor open purchase orders, supplier lead times, and delivery schedules.

Follow up directly with suppliers to ensure materials arrive on time and escalate potential delays before they impact production.

Communicate changes in specifications, quantities, purchase orders, and delivery requirements to suppliers.

Coordinate purchasing priorities with Manufacturing, Planning, Warehouse, and other internal teams.

Supplier & Vendor Management Maintain strong day-to-day relationships with domestic and international suppliers.

Communicate regularly with suppliers regarding pricing, availability, lead times, order status, and delivery.

Support supplier negotiations involving pricing, terms, minimum order quantities, and other purchasing requirements.

Assist with supplier claims, returns, shortages, damaged materials, quality concerns, and order discrepancies.

Obtain and review supplier quotations and bids.

Evaluate vendor pricing and service performance and provide recommendations to the Senior Purchasing Manager.

Maintain accurate supplier information and purchasing documentation.

Inventory & Purchasing Analysis Monitor inventory requirements and purchasing activity to help maintain appropriate material levels.

Review historical purchasing and usage data to identify trends and anticipated material needs.

Analyze supplier pricing and purchasing trends to identify potential cost increases or savings opportunities.

Use Excel to maintain purchasing reports, analyze data, and track material and supplier activity.

Monitor order quantities, delivery status, lead times, and other purchasing metrics.

Identify potential material shortages and communicate risks to management.

Team Supervision Supervise and support purchasing team members in their daily responsibilities.

Assign and prioritize purchasing activities based on operational requirements.

Review team members' work for accuracy and timely completion.

Train employees on purchasing procedures, supplier communication, and internal processes.

Coach and develop team members and provide ongoing performance feedback.

Assist with performance evaluations and departmental goal setting.

Process Improvement & Administration Maintain accurate purchase order, invoice, receiving, and supplier records.

Identify inefficient or repetitive purchasing processes and recommend improvements.

Assist the Senior Purchasing Manager with implementing new…