Senior IT Administrator - Infrastructure & DevOps (f/m/d)

At Oncare, we don’t just develop software — we are building an international health ecosystem that redefines care. Our platform myoncare connects patients, clinics, doctors, and partners within one intelligent system, enabling continuous, secure, and personalized healthcare experiences.

As a Senior IT Administrator, you will play a key role in maintaining and improving the infrastructure behind our platform and internal operations. From cloud systems and automation to security and reliability, your work will help ensure stable, scalable, and efficient IT environments that support our teams and users every day.

• Administer and maintain Linux-based systems (Ubuntu)
• Manage cloud-based servers and infrastructure
• Monitor system performance, availability, and capacity
• Maintain backup and business continuity processes
• Ensure system reliability, scalability, and operational efficiency
• Maintain and support web server infrastructure (NGINX)

• Support network setup, security, and access control
• Analyze and evaluate information security incidents
• Collect and document incident evidence for risk evaluation
• Implement solutions to prevent and resolve security incidents
• Ensure confidentiality and protection of company information

• Support CI/CD processes and related tools
• Automate operational tasks using scripting and Ansible
• Maintain Docker-based environments
• Work with monitoring and logging solutions such as Grafana, Prometheus, ELK, Splunk, or similar tools

• Administer and support Microsoft 365 environments with focus on SharePoint
• Provide technical support for internal users and departments
• Support macOS / Apple devices and related administration tasks
• Document IT systems, tools, and operational procedures

• Bachelor’s degree in Computer Science, Computer Engineering, or a related technical field
• 4+ years of professional experience in IT administration or infrastructure operations
• Strong Linux administration skills (Ubuntu)
• Experience with Microsoft 365 and SharePoint
• Experience with Docker, Git, and shell scripting
• Familiarity with networking, access control, and IT security principles
• Experience with monitoring and logging tools
• Strong organizational and problem-solving skills
• Reliable team player with a proactive and independent working style
• Fluent in English

• Experience with Ansible
• Experience with NGINX
• Experience with Jenkins or other CI/CD tools
• Experience with Grafana, Prometheus, ELK, Splunk, PagerDuty, or CloudWatch
• Experience with Apple/macOS administration