An Office Assistant is responsible for keeping the office supplied and organized.
This involves lots of small duties, like typing and taking notes during meetings, but their overall responsibilities are essential.
Office Assistants are responsible for things like:
Overseeing clerical tasks, such as sorting and sending mail
Keeping an inventory of office supplies and ordering new materials as needed
Maintaining files
Welcoming visitors to your office […]
Taking and delivering messages […]
Scheduling meetings and sending meeting invites to attendees