Immediate Opportunity to work in Australia - POS Device Testing

1.Testing using physical EFTPOS Device - How to use the device, Swiping card, Entering PIN and initiating transaction.
2.Various type of cards and how, the transaction gets initiated while swiping or using Chip based card in POS
3.ISO 8583 Messaging verification. How to validate Request / Response message contents.
4.Message testing, by setting different response codes (Eg. Approve, Decline, Hot Card, Insufficient Balance, Invalid Pin, etc)
5.EMV Cards
6.How the transaction is processed at the backend.
7.Visa / Master Card Payment Gateway
8.Manual Testing Process.