Senior IT Systems Administrator

Your responsibilities

* Design, implement, operate, and maintain infrastructure across on-premises environments, our co-located data center racks, and cloud services, including Microsoft 365.

* Manage the lifecycle of servers, storage systems, networking equipment, workstations, and notebooks, including provisioning, maintenance, upgrades, and decommissioning.

* Monitor system availability, capacity, and performance, particularly across network and storage infrastructure. Troubleshoot issues, identify bottlenecks, and implement improvements.

* Design and maintain identity, authentication, authorization, group membership, and access provisioning processes.

* Automate infrastructure provisioning, configuration, and maintenance using infrastructure-as-code and configuration-management tools such as Terraform/OpenTofu and Ansible.

* Develop scripts and small internal tools or services to automate recurring tasks, integrate systems, and improve operational workflows.

* Define and implement infrastructure security controls, backup and recovery procedures, and measures to maintain service availability and data integrity.

* Automate workstation provisioning and configuration, manage endpoint software and settings, and provide hands-on support for office IT issues.When something needs to be implemented or fixed, you take care of it directly.

Your profile
* At least five years of relevant professional experience in systems administration, IT infrastructure engineering, or a comparable role.

* Strong Linux administration skills, including troubleshooting and maintaining production systems.

* Practical experience with container technologies such as Docker or Podman.

* Experience with infrastructure as code and configuration management, for example Ansible or Terraform/OpenTofu.

* Solid knowledge of network architecture and administration, including VLANs, firewalls, routing, and VPN technologies such as WireGuard.

* Experience designing, implementing, and operating on-premises infrastructure and cloud services, including appropriate security controls. Experience with SaaS infrastructure, such as Microsoft 365, is a plus.

* A sound understanding of identity and access management, backup and recovery, and infrastructure hardening.

* A hands-on, independent, and structured way of working, with the ability to take ownership of the full lifecycle of infrastructure topics.

* Proficient English and at least B2-level German.

* Based in Munich or the surrounding area, with the ability to attend the office at short notice when on-site support is required.

Nice to have

* Experience with monitoring and observability tools such as Zabbix, Prometheus, Grafana, or OpenTelemetry, including alerting and incident diagnosis.

* Experience deploying or operating GPU servers or GPU clusters.

* Proficiency in Python or another scripting language for operational automation.

Why us?
* Technology that matters: Your work provides the reliable infrastructure behind software that enables innovation in medical imaging and helps bring cutting-edge research into clinical practice.
* Ownership instead of micromanagement: Shape our IT infrastructure and standards, take responsibility for improvements, and put your ideas into practice yourself.
* Short decision-making paths: We work pragmatically, collaboratively, and without unnecessary bureaucracy.
* Flexibility: Flexible working hours and a hybrid work model let you balance remote work with the on-site support this role requires.
* A team that supports each other: Join a collaborative, open-minded team where people enjoy working together and helping one another succeed.