Materials Planner

 Job Title: Materials Planner

Location: Ontario, CA (On-site)

Company: Yinlun TDI LLC

About Yinlun TDI LLC

Yinlun TDI LLC is a leading provider of advanced thermal management solutions for the U.S. automotive, commercial truck, and off highway markets. Following the acquisition by Zhejiang Yinlun Co., Ltd., Yinlun TDI has further strengthened its engineering expertise and manufacturing capabilities in the United States.

Headquartered in Houston, TX, Yinlun TDI LLC maintains sales and engineering facilities in California, Michigan, and Illinois. With strong support from our parent company, we are well positioned for continued growth across conventional heat exchangers, hybrid, electric vehicle (EV), and autonomous driving sectors.

Yinlun TDI LLC is an ISO 14001 and IATF 16949 certified manufacturer of heat exchangers and fluid cooling components for automotive, commercial truck, bus, and industrial markets.

Position Overview

We are seeking a highly organized and detail-oriented Material Planner/Buyer to support our manufacturing operations by planning, purchasing, and managing inventory to ensure the uninterrupted flow of materials required for production. This position works closely with production, engineering, suppliers, warehouse, and logistics teams to maintain optimal inventory levels, meet production schedules, and support company objectives related to cost, quality, and delivery.

Key Responsibilities

• Plan and procure raw materials, components, and supplies to support production schedules and customer demand.
• Analyze material requirements using ERP/MRP systems and generate purchase orders accordingly.
• Monitor inventory levels and maintain appropriate stock while minimizing excess and obsolete inventory.
• Review production schedules and forecast demand to ensure timely material availability.
• Communicate with suppliers regarding lead times, delivery schedules, and order status.
• Expedite or reschedule orders as needed to prevent production delays.
• Resolve supplier delivery and invoice discrepancies in coordination with receiving and accounting teams.
• Collaborate with cross-functional teams to support new product introductions, engineering changes, and production transitions.
• Maintain accurate purchasing records, supplier information, and material master data within the ERP system.
• Ensure compliance with company purchasing policies and applicable regulations.
• Travel occasionally to supplier or company locations as required.

Qualifications

Education

• Bachelor's degree in Supply Chain Management, Business, Operations, or a related field preferred.

Professional Experience

• 5–10 years of experience in purchasing, material planning, and inventory control within a manufacturing environment.
• Experience using ERP/MRP systems.

Skills

• Strong analytical and problem-solving skills.
• Proficiency in Microsoft Excel and Microsoft Office applications.
• Strong organizational skills with the ability to manage multiple priorities.
• Excellent verbal and written communication skills.
• Knowledge of inventory management principles and production planning.

Preferred Qualifications

• Experience working in the automotive or industrial manufacturing industry.
• APICS/ASCM certification (CPIM or CSCP) is a plus.
• Experience supporting lean manufacturing and continuous improvement initiatives.

Benefits

• Competitive salary and performance-based bonus
• Comprehensive benefits package (medical, dental, vision, life insurance)
• Short-term and long-term disability coverage
• 401(k) with company match
• Paid vacation, sick time, holidays, and floating holidays
• Career growth opportunities in a fast-paced, global environment