Sales Manager

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, Illinois, and North Carolina. 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.

We are seeking an experienced Sales Manager/ Key Account Manager to support and grow key customer accounts in the commercial truck industry. This role is based in the Portland, Oregon area and operates in a hybrid/remote environment, combining remote work with on-site support at customer locations.

The Sales Manager will serve as a primary liaison between customers, internal sales and engineering teams, and suppliers. This position plays a critical role in driving customer satisfaction, supporting technical engagement, and expanding business opportunities in a competitive market.

• Account Management
  • Manage and support key customer accounts within the commercial truck market
  • Build and maintain strong customer relationships to support long-term business growth
• Sales & Business Development
  • Support sales growth initiatives by identifying opportunities and aligning solutions with customer needs
  • Collaborate with internal teams to develop proposals and support customer programs
• Technical Collaboration
  • Serve as a technical and commercial interface between customers, sales, and engineering teams
  • Support technical discussions, product positioning, and solution alignment
• Reporting & Communication
  • Maintain accurate account forecasts, pipeline tracking, and activity reporting
  • Communicate account status, risks, and opportunities to leadership
• Leadership & Coordination
  • Coordinate cross-functional efforts to ensure successful execution of customer programs
  • Support post-sale activities to ensure customer satisfaction and issue resolution

Education

• Bachelor’s degree in Engineering, Business, or a related field

Professional Experience

• Proven 3+ years experience in sales management, account management, or a related role
• Experience in the automotive or commercial truck industry preferred
• Strong communication, negotiation, and relationship-building skills
• Ability to work cross-functionally in a technical and manufacturing environment
• Strong organizational and problem-solving abilities

Mobility

• Willingness to travel to customer sites as required (up to 30%)

• Experience working with commercial truck or automotive customers
• Familiarity with engineering-driven sales environments
• Bilingual proficiency (English plus Mandarin Chinese and/or Spanish) is a plus
• Competitive salary and performance-based bonus
• 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