hi,
Yesterday, I helped a same case with EC2 instance + Plesk. It was a hard case but I can bring up the service. You can go to my profile to see the review and my customer is from Australia as well.
I think I can try to understand your requirement firstly, and then I will suggest you an approach, if you are happy, I can work with you via Teamviewer until the job completed. You don;t need to hire me until everything runs as your expectation.
Regards,
--T