Expert Proxmox Server Management and Automated Hosting Infrastructure Setup

We are seeking a highly skilled freelancer to manage and optimize our Proxmox server environment, which currently hosts 8 active sites. The project involves several critical tasks to ensure stability, efficiency, and proper functionality of our hosting platform. The primary responsibilities include: 1. Comprehensive management of the Proxmox server, including regular checks of the 8 hosted sites and performing minor maintenance tasks as needed. 2. A thorough cleanup and optimization of the entire Proxmox environment to enhance performance and reliability. 3. Ensuring that the hosting site and its content are fully and correctly implemented. 4. Verifying and setting up the automation for all aspects related to hosting plans, pricing, ordering processes, payment gateways, and resource provisioning. This includes ensuring correct and automatic creation and functionality across various virtualization technologies such as LXC, Docker containers, Kubernetes (K3s/K8s), and traditional VPS (VMs). Special attention must be paid to the correct setup and operation of the Kubernetes (K3s/K8s) environment. The goal is to establish a robust, automated, and well-maintained hosting infrastructure.