Test Engineer (m/w/d) (Cairo, EG) at Sonnen | JoBuzzer

Summary

The DSC team is seeking a Test Engineer (m/w/d) to join their agile SCRUM framework in Málaga, Spain or Wildpoldsried, Germany. The role involves the conception, planning, development, and maintenance of software for the sonnenBatterie control unit. Responsibilities include creating new test cases, designing and implementing the testing repository, and maintaining the test automation framework. The ideal candidate will have studies in electronics or computer science, or comparable experience, with a drive for automation. Experience in Python development and test automation is desirable, as is experience with inverters or battery systems. Fluency in English is required.

Required Skills

EnglishPythonTest Automation

Details

Posted: Jul 20, 2026

Description

The “DSC” (Device and Site Control) team develops the control unit of each sonnenBatterie. The most important tasks are conception, planning, development and maintenance of the software. The team works according to the agile methods of the SCRUM framework. A team consists of architects, software developers and software testers located in Málaga (Spain) and Wildpoldsried (Germany).

As part of the “DSC Testing” team, you will create new test cases for testing the correct behaviour of our sonnenBatteries as well as designing, implementing and updating the testing repository of our sonnenBatteries. In the testing team we also take care of the test automation framework, the documentation and the good state of our systems with new software versions on residential and industrial battery systems.

What you will do to help drive energy transition:

Developing the test specification, test procedures and test tools for the automated tests of the sonnenBatterie in python.
Support and further development of the test hardware for automated software tests.
Direct collaboration with the software developers in the SCRUM team.
Creation of the test specification, execution of the manual and automated tests as well as reporting.

What you’ll bring:

Successfully completed studies in the field of electronics, computer science or with comparable experience.
You strive for a high degree of automation.
Experience in Python development and/or test automation is desirable.
Experience with inverters or battery systems
Ability to work in a team, strong communication skills as well as a goal and solution-oriented way of thinking and working.
Written and spoken fluency in English.