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, Web Development, and Software Engineering professionals. They recruit for offices in Munich, Madrid, Barcelona and 20 other locations within Germany. On Jobspotting, you can find 79 unique open positions from ALTEN GmbH for jobs like "Konstruktionsingenieur (m/w) HV-Komponenten" and "Softwareentwickler (m/w) Testautomatisierung".
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.