Linux System Administrator

Job Description

Manage and maintain Linux servers (CentOS, Ubuntu, Debian) in cloud and web hosting environments. Configure and optimise web servers (Apache, Nginx), mail servers, and databases (MySQL/MariaDB, PostgreSQL). Work with control panels such as cPanel/WHM, Plesk, and WHMCS for hosting and automation tasks. Implement and manage firewalls, perform DDoS mitigation, and conduct server security hardening. Set up and support virtualization platforms (KVM, Proxmox, VMware). Create automation scripts using Bash, and work with tools like Ansible and cronjobs. Monitor systems, troubleshoot network/server issues, and maintain detailed logs and documentation. Assist with DNS, SSL, IP subnetting, reverse DNS, and other network configurations.