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Johnson Electric Test Validation Engineer – Gear Differential Systems 
Germany, North Rhine-Westphalia, Aachen 
510106770

21.09.2025

As a Test & Validation Engineer, you will be part of a newly formed Gear & Differential Systems team driving forward exciting and strategically important projects in the field of e-drive technologies. This is a unique opportunity to help shape the future of mobility from the ground up.

You will be responsible for planning, executing, and analyzing validation activities for differential and gearbox systems in e-drive applications. Working closely with design, simulation, and manufacturing teams, you will ensure that our components meet functional, durability, and NVH (noise, vibration, harshness) requirements. Your work will play a critical role in supporting industrialization and ensuring customer success.

Your responsibilities will be to:

  • Define and execute test plans for design validation (DV) and production validation (PV)

  • Develop test concepts and fixture designs for gear, shaft, and housing assemblies

  • Coordinate prototype builds and validation samples with internal and external partners

  • Program, monitor, and analyze endurance, strength, and NVH tests on test benches

  • Analyze test data and create structured reports with clear conclusions and recommendations

  • Support root cause analysis and issue resolution (in collaboration with design and quality)

  • Contribute to the creation of validation documentation (DVP&R, test specs, test reports)

  • Interface with suppliers, customers, and international teams on testing and release topics

:

  • Bachelor’s or Master’s degree in Mechanical Engineering, Automotive Engineering or related field

  • Ideally more than 2 years of experience in years of experience in testing or validation of mechanical components or systems

  • Prior exposure to automotive environments preferred

  • Familiarity with drivetrain test benches, endurance and fatigue testing methods

  • Hands-on experience with test setup, instrumentation, and data acquisition systems

  • Experience in failure analysis, material characterization, NVH testing, gear performance evaluation, and durability testing is highly desirable

  • Fluency in English is mandatory. German language proficiency is desirable, while fluency in Chinese would be a significant asset

  • Analytical mindset with strong documentation and reporting skills

  • Structured and proactive working approach, comfortable in dynamic environments