Personal Multi Enabled Assistant

We're looking for a C-Level assistant. English AND German are mandatory. We're a US based business with 90% German Speaking customers. You job will basically be to back us up and do ordinary office work, as responding to emails, forwarding emails to the corresponding personal employees. Support in keeping our schedules straight, update Excel sheets, the entire office backup process. We'll start from part time, a full time is very likely to happen. Everything else, and other details on a video call.