Senior System Administrator - DevOps / Kubernetes Operations

Position

Senior System Administrator - DevOps / Kubernetes Operations

Location

Hannover, Germany

Type

Full-time / Remote

Role & Responsibilities

• Deploy containerized applications using Helm
• Implement GitOps deployments with ArgoCD (App-of-Apps pattern)
• Support the setup of microservice ecosystem components (Keycloak, Grafana, Prometheus, etc.)
• Ensure application-level availability and performance (HPA, monitoring, alerting)
• Troubleshoot incidents and vulnerabilities (incl. hotfixes)
• Work with RBAC and Secret Management (Vault)
• Operate Kafka and Redis using Kubernetes operators
• Linux administration
• Maintain documentation in Confluence

Must-Have Requirements

• GitOps experience with ArgoCD
• Helm deployments
• Monitoring & observability experience
• Strong Kubernetes security knowledge (RBAC, secrets)
• Kafka/Redis experience
• German at B2 level

Nice-to-Have

• Migration experience between clusters
• PostgreSQL knowledge
• REST API handling
• CKA certification

Tools

Helm, ArgoCD, Kafka, Redis, Prometheus, Grafana, Vault, GitOps workflows

What We Offer

• Join a cosmopolitan and internationally mixed team
• Support to polish your German language skills
• Dedicated contact person from the company for guidance and support
• Professional growth and development opportunities within 1‑2 years
• Regular team events to foster collaboration and relationships
• Competitive compensation package including salary commensurate with experience and expertise

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Information Technology

Industries

IT Services and IT Consulting

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