Tune my Website for best perfomance

Job ID: 32627091

Budget: $30 – $250 USD

Looking for someone who is expert in Linux server tuning in order to have the best output from the server that is hosting WordPress ecommerce site.
Problem is: Full CPU because of php-fpm.
I need an expert in:
PHP server configuration
mySQL server configuration
Centos OS
knows how to use terminal using Anydesk on my PC
knows how to configure all the files related to hosting environment.
KNOWS WHAT HE/SHE IS DOING.

Result must be guaranteed to make the payment.
Related categories: PHP Linux WordPress Apache MySQL