Application Engineer

We are seeking an Application Engineer to support customer applications and engineering projects involving thermal management, cooling, and aftertreatment systems.

This position is based in Morton, Illinois, and will serve as a key technical liaison between customers, the U.S. engineering team, and our global headquarters engineering team in China.

The ideal candidate will have an engineering background with knowledge of thermal management, cooling, or aftertreatment systems, preferably within the automotive, commercial vehicle, or off-highway industries.

Key Responsibilities

Serve as a technical interface for customer engineering programs.

Analyze customer RFQs and develop thermal management, cooling, and aftertreatment system solutions aligned with customer requirements.

Collaborate with U.S. engineering teams and global HQ engineering in China on product design, validation, and development.

Support the design, development, and optimization of cooling and aftertreatment systems for commercial vehicle and off-highway applications.

Participate in product testing, validation (DVP&R), and performance evaluation.

Support project execution to meet timeline, quality, and cost targets.

Attend customer meetings and provide technical presentations and engineering support.

Bachelor’s degree in Mechanical Engineering, Thermal Engineering, or a related engineering discipline.

Professional Experience

Minimum 2 years of relevant engineering experience.

Experience in application engineering, thermal management, cooling systems, aftertreatment systems, or related product engineering roles preferred.

Experience in automotive, commercial vehicles, or off-highway equipment preferred.

Skills

Knowledge of heat exchangers, thermal management principles, cooling systems, or aftertreatment systems.

Familiarity with APQP, FMEA, and DVP&R.

Experience with CAD tools such as CATIA, NX, SolidWorks, Creo, or similar software.

Preferred Qualifications

Strong communication skills and ability to collaborate with cross-functional and international teams.

Strong analytical thinking and problem-solving skills.

Ability to work independently and manage multiple engineering projects.

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

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.