Linux Administrator / DevOps Engineer

Quick Facts

• Role: Linux Administrator / DevOps Engineer

• Focus: Operations, automation, and infrastructure development for production systems

Description

Manage and evolve a self-hosted, on-prem email platform with a strong emphasis on reliable, secure, and highly available production services.

You will administer Debian Linux servers, virtualization and storage (Proxmox/KVM/Ceph), operate and progressively migrate services on Kubernetes, and automate operations using Ansible, Foreman, and scripting.

The role includes monitoring, backup, security, incident response, and close collaboration with the development team on deployment and application optimization.

Responsibilities

• Administer and maintain Linux servers (primarily Debian)
• Manage virtualization infrastructure: Proxmox, KVM, Ceph
• Operate and develop Kubernetes, including step-by-step migration of selected services
• Automate server/configuration management and deployments using Ansible and Foreman
• Script and automate with Bash and Python
• Work with Git and GitLab
• Perform monitoring, backups, security, and production incident resolution
• Ensure high availability using HAProxy and Keepalived
• Administer and configure network infrastructure
• Collaborate with the development team on operations, deployments, and application optimization

Requirements

• Advanced Linux administration experience, with strong hands-on knowledge of Debian
• Experience with virtualization, ideally Proxmox/KVM
• Familiarity with Kubernetes and container technologies
• Knowledge of Ansible and Foreman
• Ability to write and maintain scripts in Bash or Python
• Knowledge of Git/GitLab
• Solid understanding of TCP/IP, VLAN, routing, and firewalls
• Experience with monitoring, backups, and securing servers
• Ability to independently diagnose and resolve production issues
• English proficiency for technical documentation

Benefits

• 30 days of vacation
• Remote work option (with reasonable commuting distance to Prague due to role requirements)
• Small, dependable IT team
• Work with your own server infrastructure and real production systems
• Opportunity to influence technology decisions and infrastructure development
• Room for automation, process improvements, and introducing new technologies
• Direct communication with IT and development colleagues