Berlin and remote: System Administrator f/m/d POS7217 GitLab CI/CD CGOA Prometheus SLO SLA

Start: short-term / entry possible until May Duration: until the end of 2026 + utilization: flexible (full-time preferred) Location: Berlin and remote ANÜ preferred The specialist provides Tier 3 ownership for compute and OS services in the German production landscape. Responsibilities include complex incident resolution, deep technical troubleshooting, and ensuring system readiness for releases. The role enhances operational procedures, focusing on automation, documentation, and quality assurance. Collaboration with Kubernetes, data, network, and storage specialists is essential for cross-domain production topics. Security and compliance requirements must be upheld through monitoring and vulnerability mitigation. Key Skills: • Compute & OS Hardening and Patch Processes • Monitoring & SLO/SLA/SLO Management • CI/CD (GitLab, Jenkins, Tekton, ArgoCD) • Kubernetes/Container Concepts • Observability (Prometheus, Grafana, Datadog, Loki, Mimir) • Documentation & Runbook Quality • GitOps/IaC Standards The Candidate should 1. be open to become an employee 2. accept a security proof 3. ideally from Berlin (else regular meetings once a month the first year) Skills: - Rating 3: Incident management - Mandatory, Rating 3: GitLab - Rating 2: Documentation - Rating 3: Jenkins - Rating 3: Prometheus - Mandatory, Rating 3: Grafana - Mandatory, Rating 3: ArgoCD - Mandatory, Rating 4: Kubernetes - Rating 3: GitOps - Rating 4: English - Rating 4: German - Rating 3: Helmet - Mandatory, Rating 3: Atlassian Jira / Confluence - Rating 4: Atlassian Jira Service Management - Rating 3: Terraform - Mandatory, Rating 3: IT Service Management (ITSM) - Rating 3: Problem management - Rating 3: Release management - Rating 2: Change Management - Certified GitOps Associate (CGOA) - Mandatory, Rating 3: GIT