System Administrator

We’re looking for a Systems Administrator to join a technology business specialising in cybersecurity and cryptography
. The role sits at the heart of the company’s infrastructure, helping maintain secure, reliable systems across a highly technical environment.

This is a hands‑on position covering Linux infrastructure, networking, virtualisation, security and automation
, with responsibility for maintaining and improving the company’s IT environment.

• Administration and maintenance of Linux, Windows and FreeBSD systems
• Installation and management of Linux servers and Docker environments
• Administration of VMware, Proxmox or KVM
• Management of network infrastructure, including routers and switches
• Monitoring, troubleshooting, patching and performance optimisation
• Infrastructure automation using Bash, Python and Ansible
• Supporting IT security, ISMS and ISO 27001 requirements
• User support and incident management
• Supporting infrastructure projects, migrations and technology rollouts
• Maintaining technical documentation

• Professional experience in Systems Administration / IT Infrastructure
• Good knowledge of networking and virtualisation
• Scripting experience with Bash and/or Python
• Experience with Ansible is advantageous
• Experience with databases such as PostgreSQL, MySQL/MariaDB or Oracle is beneficial
• Fluent German (C1+) and good English