Virtual Secretary - Must Speak Fluent English

We are a medical office in the USA.
We are looking for someone that can work remotely performing the following tasks:

Calling patients
Calling doctors
Entering patients into our EMR
Entering patients into our CRM
Data Entry
Organizing patients files
And other office tasks

Requirements:
Must speak fluent English
Must speak fluent Portuguese
Must have attention to detail
Must be able to work 20-30 hours weekly between 9am-5pm EST (New York Time)

Virtual secretary will need to install software on her/his computer. This is how hours will be tracked and paid for. Payment will be done bi-weekly.

Payment is calculated hourly: R$27 per hour (Real, brazillian currency)