Linux & WordPress Server Manager

I run several WordPress sites on a Linux server that uses DirectAdmin, routes email through Amazon SES, and sits behind Cloudflare for DNS and security. I’m looking for a single point of contact who can take full, ongoing management of the server... (Budget: €2 - €6 EUR, Jobs: Apache, Cloudflare, DevOps, Linux, MySQL, Nginx, Performance Tuning, PHP, System Administration, WordPress)