Linux & Server Admin for App/Site Setup

I'm in need of an experienced Linux and Server Admin who can help me with the following tasks:

- Linux and Server Administration: Proficient in CentOS, you'll be managing my server and ensuring its optimal performance.
- Web and App Installation: You'll be responsible for installing and configuring various websites - coded in PHP, Node.js, and React - on the server. Additionally, you'll need to install Flutter and React Native apps.

The ideal candidate should have advanced understanding and practical experience in Linux system administration, server administration, and web/app installation. Proficiency in PHP, Flutter, and React Native is required.
------------------------------------------------------------------------------------------
Should have experience in linux VPS, setting up

sites
apps
email
dns
firewall

NO CPANEL. All work to be done using command line
Sites are in
php
wordpress
Node
React

Apps are in
React Native
Flutter

Database: Mysql/mongo

Amt posted is just a placeholder