Douglas Hengstebeck
Northville,MI
Summary
Dedicated employee bringing 30 years of experience and diligence to handle needs of large and complex products. Solid history in both manual and automated testing. Seek to apply expertise to growth-oriented, dynamic position.
Overview
31
31
years of professional experience
1
1
Certification
Work History
Test Engineer
Hanon Systems
Novi, MI
06.2024 - Current
- Develop and construct test stands designed for CVTMS module performance testing.
- Develop and construct test stands designed for chiller and condenser performance testing.
- Supported modifications to a HVAC airflow performance test bench.
- Developed test plans and strategies for products.
- Analyzed design or requirement information for equipment or systems.
Sr. Test Engineer
Estra Automotive
Farmington Hills, MI
09.2018 - 06.2024
- Conducted manual and automated performance tests on compressors, refrigerant to coolant chillers, refrigerant to coolant condensers, refrigerant to air evaporators, air cooled condensers, HVAC modules and components using R134a and R1234y.
- Developed and maintained test plans, strategies, procedures, and scripts for tests.
- Prepared comprehensive test summary reports outlining test results along with recommendations for improvements.
- Fabricated new airflow tunnels, settling chambers, air mixers and testing machine improvements using TIG welder, milling machine, and basic shop tools
- Calibrated all lab pressure transducers in gage and absolute pressures using Druck DPI612 pneumatic calibrator.
- Calibrated all lab thermocouples using Fluke 754 process calibrator.
- Calibrated all lab RTDs using Fluke 7103 Micro Oil Bath and Fluke reference thermometer.
- Calibrated all lab frequency instruments using portable Rhode & Schwartz oscilloscope.
- Responsible for all sensors, instrumentation, and calibration standards sent to outside calibration providers.
- Perform DV and PV testing for new CRFM and HVAC systems and components.
- Conducted experimental system testing activities utilizing R744.
Validation Lab Group Leader
Mahle Behr America
Troy, MI
12.2002 - 09.2018
- Lead technician for all HVAC testing, mentored new hire technicians.
- Trained test technicians and operators on testing equipment hardware and software, setup procedures, test procedures, and interpreting test results.
- Created new test procedures from requirement documents, customer specifications, company best practices, and input from test engineering and product engineering.
- Debug and troubleshoot test equipment, including electrical, mechanical and thermal systems.
- Conducted performance tests on systems and components utilizing R134, R1234yf, and R744.
- Responsible for coordinating, tracking, and reporting on all outsourced HVAC module and CRFM module testing including vibration (door cycling or fan profiling during test), BSR, Dust, internal corrosion, external corrosion, door life cycling, blower life, fluid compatibility, etc.
- Responsible for hiring and supervising suppliers in the construction of vibration and durability fixtures.
Lead Technician
Visteon
Plymouth, MI
04.2000 - 12.2002
- Assisted technicians in resolving complex technical problems.
- Managed multiple projects simultaneously while meeting deadlines.
- Trained users in the use of new software packages or hardware devices.
- Built system tests according to engineering test plans and drawings. Systems required DUT fixtures as well as support instrumentation such as electrical, thermocouples, and pressure monitoring.
- Responsible for tracking test equipment calibration requirements and maintenance, this included coordinating external suppliers to provide calibration and repair services
Development Technician
General Motors Co
Milford, MI
07.1994 - 04.2000
- Utilize precision measuring instruments and complex testing equipment including data loggers and thermal measurement on vehicle systems.
- Set up and configure external test interfaces necessary for testing.
- Utilize a compliment of machine shop equipment including lathes, mills, and drill press.
- Utilize both MIG and TIG welders to instrument vehicle level components.
Education
Associate of Science - Automotive Technology
Henry Ford College
Dearborn, MIBachelor of Science - Applied Science
University of Michigan - Flint
Flint, MISkills
- Corrective Action Execution
- Test Procedures
- Data Analysis
- Reporting Standards
Certification
- EPA 608 and 609 Clean Air Certified
- MACS CFC-12,HFC-134a, and HFO-1234yf Certified
Timeline
Test Engineer
Hanon Systems
06.2024 - Current
Sr. Test Engineer
Estra Automotive
09.2018 - 06.2024
Validation Lab Group Leader
Mahle Behr America
12.2002 - 09.2018
Lead Technician
Visteon
04.2000 - 12.2002
Development Technician
General Motors Co
07.1994 - 04.2000
Associate of Science - Automotive Technology
Henry Ford College
Bachelor of Science - Applied Science
University of Michigan - Flint
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