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

Tasks

Infrastructure & Operations

• 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)

Security & Compliance

• 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

Automation & DevOps

• 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

User & Internal IT Support

• 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

Requirements

• 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