Ryanair is an established service provider in the aerospace business.
In terms of recruitment areas, Ryanair is primarily searching professionals in the categories Engineering, Telecommunications Engineering, and Accountancy. They recruit for offices in Dublin, Madrid, Prestwick and 2 other locations within Germany. We count 37 vacancies at Ryanair for jobs like "Engineering Stores Officer - Stansted (STN)" and "Communications Manager".
Wikipedia provides a helpful article about Ryanair. Check out their social profile on Twitter for a different perspective. If you haven't already, make sure to visit Ryanair's website for more information.