Mostly, the process is meeting with the production manager and the department manager. Questions asked include about your experience and some of a general GIS subject matter, which are mostly designed to gauge your knowledge of GIS, which they use as a basis for your experience.
General questions about knowledge of GIS, etc. Multiple managers are generally involved in the interview, and it may conclude with a demo about some of the company's data products. Demo tends to be with a knowledgeable analyst, rather than a manager