Senior System Administrator

About the Role

Join a two-person IT operations team at a SaaS company, maintaining the systems and infrastructure that support day-to-day business operations. You will help ensure reliable, secure services across a heterogeneous environment.

What You'll Do

• Administer and maintain servers, networks, and storage across Windows and Linux environments.

• Maintain core infrastructure, including Proxmox, Kubernetes, CEPH, and networking systems.

• Install, configure, and support hardware and software.

• Monitor system performance, availability, and security, and troubleshoot incidents.

• Plan and deliver IT projects.

• Support implementation of ISO 27001 and C5 compliance requirements.

What We're Looking For

• Completed vocational training or a degree in computer science, or a comparable qualification.

• At least 3 years of experience in system administration or a related role managing servers, networks, and storage.

• Production experience with virtualization, particularly Proxmox.

• Experience administering Windows and Linux systems, with solid knowledge of server administration, networking, and IT security.

• Experience with Microsoft 365 and cloud services such as Azure in hybrid environments.

• German proficiency at C1 level and English proficiency at B2 level.

• Experience with Kubernetes, CEPH, procurement, supplier management, or ISO 27001/C5 compliance is beneficial.

Compensation & Benefits

Visa sponsorship is not available. Benefits include flexible working hours, home office options, professional development support, and health and mobility benefits.

Location

On-site in Freiburg im Breisgau, Germany.