Admin coordinator required

Looking for some one who can use our existing billing system to follow up with clients for payments ( Calls and through email ) From our web based system console you can see all due payments, contact clients from the console and add quick note every time you do that. What you should have - You should be able to make calls to NZ,US Clean English Basic understanding of excel Budget based on how many calls you have to make. It'll be a long term basis work for right person.