Lab Technician - Heat Exchanger Testing

Job Title: Lab Technician - Heat Exchanger TestingLocation: Morton, ILCompany: Yinlun TDI LLCAbout Yinlun TDI LLCYinlun TDI LLC is a global leader in advanced thermal management solutions supporting automotive, commercial truck, off-highway, power generation, electrification, and data center applications. With validation and engineering centers across the United States, China, Mexico, and Europe, Yinlun develops and manufactures radiators, oil coolers, charge air coolers, EGR coolers, condensers, cooling plates, and liquid-liquid heat exchangers.The Morton Test Lab is a key part of Yinlun's global validation network and supports new product development for North America.Position OverviewWe are seeking a hands-on Lab Technician to support performance and durability testing of heat exchangers at our Morton, IL facility. This role focuses on operating test rigs, installing instrumentation, running tests, collecting data, and supporting engineering activities.Although this position does not require extensive external communication, the technician will interface regularly with internal teams and occasionally with global Yinlun validation labs (China, Mexico, Europe) for test method alignment and data sharing.Key ResponsibilitiesTesting & Lab OperationsSet up, operate, and monitor performance and durability tests for:RadiatorsOil coolersCharge air coolersEGR coolersLiquid-liquid BPHE/MCHE modulesInstall test samples, connect fluid circuits, set test conditions, and verify system readiness.Run tests according to engineering instructions, DVP&R test plans, and internal procedures.Follow safety procedures and maintain a clean, organized lab environment.Instrumentation & Data CollectionInstall and calibrate sensors:TemperaturePressureFlowDifferential pressureOperate data acquisition equipment and ensure accurate data logging.Support troubleshooting of test setups, sensors, pumps, valves, and control systems.Maintenance & Equipment SupportPerform routine maintenance on test rigs, pumps, valves, chillers, and support systems.Assist in modifying test rigs or building new test setups as required.Maintain calibration records, instrumentation logs, and equipment status.Documentation & Internal InteractionRecord test conditions, results, and observations in lab logs and templates.Communicate daily issues or deviations to Lab Lead Engineer and Validation Manager.Support internal coordination with Yinlun global validation teams when needed (China/Mexico/Europe).QualificationsEducationAssociate degree or Bachelor's degree in:Mechanical EngineeringEngineering TechnologyAutomotive TechnologyManufacturing/Industrial TechnologyOr related technical disciplineExperience1-5 years of experience in a test lab or engineering technician role preferredHands-on experience with mechanical testing equipment, hydraulic/pneumatic systems, or thermal/fluid systems strongly desiredExperience using sensors and DAQ systems is a plusExperience working with heat exchangers or cooling systems is preferred but not required (training provided)Technical SkillsAbility to install and connect plumbing (hoses, fittings, valves) and mechanical fixturingFamiliarity with thermal-fluid systems (pumps, heat exchangers, flow loops)Ability to read basic engineering drawings and schematicsBasic troubleshooting skills for instrumentation and mechanical equipmentExperience with LabVIEW or NI hardware is a plus, but not requiredPreferred / Optional SkillsMandarin speaking is a plus to support communication with Yinlun's China validation teamBasic electrical understanding (sensors, wiring, connectors)Computer literacy (Excel, data entry, DAQ software)Soft SkillsDetail-oriented and reliable in running tests accuratelyHands-on, mechanical aptitudeGood communication with internal engineering teamsStrong commitment to safetyAbility to work independently and as part of a small lab teamBenefitsCompetitive hourly wage or salary (based on experience)Health, dental, vision, life insurance401(k) with company supportOvertime opportunities depending on testing schedulesTraining and career growth opportunities in a global engineering organization

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