Test Engineer for Application Software and Defense Systems | Test Engineer (m/w/d) Applikationssoftware/ Defence

ACONEXT Stuttgart GmbH

Deutschland
Published Apr 10, 2026
Full-time
Permanent

Job Summary

As a Test Engineer in the defense sector, you will be responsible for the quality assurance of tactical radio mission planning and safety-critical systems. Your day-to-day work involves creating and maintaining detailed test specifications and test cases, analyzing user workflows, and identifying potential operational errors. You will systematically derive test case descriptions based on a comprehensive test strategy, ensuring full coverage including edge cases. A key part of the role is planning and executing system and integration tests while collaborating closely with development teams to optimize testing processes. This position offers a unique opportunity to work on high-stakes, embedded, and tactical systems within a modern, agile environment. The role is particularly attractive due to its focus on cutting-edge defense technology, hybrid working models, and a strong emphasis on professional development through dedicated mentoring and coaching programs.

Required Skills

Education

Completed degree in Computer Science, Electrical Engineering, Communications Engineering, or a comparable qualification (e.g., IT Specialist/Fachinformatiker).

Experience

  • Several years of professional experience in testing application software or complex technical systems
  • Extensive experience in systematic software testing methods at the user level
  • Professional experience with embedded systems, automotive, telecommunications, or safety-critical environments
  • Practical experience in analyzing user workflows and deriving structured test case descriptions

Languages

Not specified

Additional

  • Permanent employment contract; Hybrid working model (home office and mobile work options available).