Security Engineer for VM Server Backdoor Intrusion

My client in Venezuela has a VM system with Hypervim that consists of four servers hosted on Daycohost that has a backdoor intrusion attack that has them locked out of their payroll server.

We have diagram of system with various information to solve solution

Contract duration of less than 1 month. with 30 hours per week.

Mandatory skills:

Network Security, Internet Protocol Security, Security Analysis, VMWare, Network Administration