(Senior) Battery Test Engineer, Powertrain Engineering Europe

• Perform reliability and durability tests for batteries, modules and battery electronics independently using specialized equipment, fixtures, environmental test chambers, power supplies, and data loggers according to SOPs and internal standards.
• Define test plans, articles, methods and equipment; propose design of experiments to better understand observations. Contribute to FMEA and field reliability topics.
• Process raw data into meaningful conclusions; perform thorough documentation. Share high-quality reports with internal technical teams, external suppliers, and occasionally to executives.
• Perform, oversee and develop methods for destructive teardowns for root-cause analysis. Documenting findings and report outcomes.
• Maintain high test throughput/efficiency and data quality. Drive globally aligned improvement as needed. Collaborate with internal or external stakeholders to make improvements.
• Build, assemble, commission equipment and tests.
• Lead junior colleagues during assembly, build, testing, teardown, and comparable tasks. Train staff to operate and troubleshoot test equipment; ensure training content was learned.
• Create work plans/daily schedules and define priorities. Ensure timely and effective delivery of test results.
• Collaborate with external stakeholders and oversee external testing.
• Own organizational tasks & responsibilities like creation & maintenance of procedures, SOPs, standards, equipment, inspections, lab commissioning, facilities, maintenance, and staff trainings.
• Expect to acquire knowledge about relevant standards, guidelines, and norms as required for the task.
• Tasks require working with hazardous materials, high-voltage (live batteries) and other hazardous energy using mandated PPE and procedures to perform tests in person and in lab environments.
• 25% travel to test locations is expected if required for the project.
• Other tasks as required.

What You’ll Bring

• >2 years of experience working on battery systems/high voltage laboratory testing environment (including relevant internship or academic lab work experience).
• Basic familiarity with UN ECE R100 and/or similar EV test standards and ability to connect battery behavior and test results with phenomena like corrosion, vapor ingress, creepage.
• Ability to systematically identify potential failure modes in products and components, collaborate cross-functionally to drive corrective and preventive actions.
• Degree in Mechanical Engineering, Material Science, Electrical Engineering, Automation technology or equivalent experience with hands-on mindset and hands-on experience.
• Experience with controllers, DAQs, sensors, communication standards like CAN, including hands-on experience with troubleshooting within automotive or similar embedded systems environments.
• Experience with python (or other object-oriented coding language) for hardware control and data analysis.
• 3D CAD skills (CATIA preferred) and ability to design and build test benches.
• Exceptional organization and communication skills (both written and verbal).
• Analytical, structured, and goal-oriented working style with high attention to detail.

Additional Preferred Skills

• HV training/experience (HV level 2/3 trainings) is a plus.
• Experience with setup and commissioning equipment including risk assessments and acceptance testing is a plus.
• Experience using controlled environmental chambers to perform validation tests and verify system performance under varying conditions.
• Driving license Class B valid in Germany is a plus.
• Fluent German language skills are a plus.