Required Certified Information Systems Security Professional (CISSP),Internet Security,Malware,Network Security,Security Analysis freelancer for Troubleshoot and FIX - Google Domain Warning - of "Deceptive Site Ahead" job

Our main server which hosts tellofy seems to have been hacked as it has malware / Phishing Warning message when someone tries to goto the main domain or even sub domain of the site
1) tellofy
2) stage. tellofy

We are seeking an expert who can analyse and fix this issue. We feel that someone used our server and installed malicious scripts.

We do not know if this is related to scripts or a hacked script on the server, SSL etc.

Server Hosting is on EC2 - AWS
Website is in Core JAVA Tech Stack

I will share some screenshot with shortlisted candidates.

Skills & Expertise Required

Certified Information Systems Security Professional (CISSP) Internet Security Malware Network Security Security Analysis