Thanks for posting this requirement on freelancer. I'll work with you on require technologies as i've a very vast experience in these fields.
I have worked on both the Linux/Windows versions of Plesk on almost every versions of it. I have configured the Cloud architecture on Parallels which is a product of same Plesk company. Plesk stores in databases and i'm having a complete knowledge of it's internal DB architecture.
I have expertise in below fields :-
1 Linux Administration.
2 Windows Administration (Windows 2008 , 2012 & 2016) and Migration.
3 Cloud computing ( AWS, Azure and Google Cloud).
4 Automation ( Ansible,Puppet and Chef).
5 Application's & Web servers ( Apache, nginx, IIS and Tomcat ).
6 Databases ( Mysql, MsSql, MongoDB, postgresql and Apache CouchDB).
7 Security ( Web Security, Server hardening and IPS && IDS configuration)
8 Virtualization( KVM, Xen, OpenVZ & Parallels Virtuozzo).
9 Control Panels ( Cpanel, website panel, zpanel and parallel plesk panel).
10 Shell scripts, python & Perl etc.
11 Mail servers