ALTEN GmbH is a well-established consultancy mainly active in the automotive, telecommunications, and IT sectors. Coburg, Germany is the location of their headquarters.
Just now, what the company is primarily searching for is Software Development, Software Engineering, and Software Design professionals. They recruit for offices in Munich, Madrid, Friedrichshafen and 36 other locations within Austria and Germany. On Jobspotting, you can find 179 unique open positions from ALTEN GmbH for jobs like "Test Engineer (m/f) mixed signal" and "Senior Linux System Engineer (m/f)".
On Wikipedia, there is an objective description of ALTEN GmbH, and also worth mentioning is their social profile on Crunchbase. If you are interested in the company's unique open positions, their careers page is a great starting point.