Test Engineer BESS (m/f/d)

Your Role

We are looking for a skilled and analytical Test Engineer (m/f/d) to drive system-level validation of our Battery Energy Storage Systems (BESS).

You will help build the foundation of our testing function by defining processes, infrastructure, and tools as production scales. The role focuses on validating complete BESS and key subsystems to ensure functionality, reliability, and safe integration of mechanical, electrical, and software components. Additional tasks may include ECAD support, PLC logic implementation, and development of EoL/FAT tooling.

Your mission

System & Subsystem Testing

• Plan, execute, and document system- and subsystem-level BESS tests.


• Verify integration of electrical, software, thermal, and safety systems.


• Conduct functional, performance, and regression tests.


• Analyze deviations and support troubleshooting and root-...