Before You Apply – Mandatory Requirements
Due to the security requirements of the role, candidates must meet all of the following:
- Citizenship: Citizenship of a country that is a full member of both the EU and NATO. If you hold multiple citizenships, all must meet this requirement.
- Residence & Employment: Residence in Germany and direct employment through a German legal entity under a German employment contract and German labor law. Employment through foreign entities or subcontractors is not permitted.
- Security Clearance: A valid and verifiable Ü2 security clearance in accordance with the German Security Clearance Act (SÜG) is mandatory.
Overview
For our growing team, we are looking for an experienced Sovereign Cloud / Site Reliability Engineer (SRE) to support the secure, reliable, and continuous operation of modern cloud-native and Kubernetes platforms.
You will work with an experienced DevOps/SRE team on highly secure, business-critical platforms, taking responsibility for platform operations, automation, monitoring, incident management, security, and continuous improvement.
The role focuses particularly on Kubernetes, CI/CD, Infrastructure as Code, observability, logging, and operational excellence within a highly available Unified Observability Platform in a 24x7 operational environment.
Key Technologies
Kubernetes | Gardener | Helm | Jenkins | ArgoCD | Git | IaC | Python | Go | Bash | Prometheus | PromQL | Thanos | OpenTelemetry | Grafana | Elasticsearch | OpenSearch | Logstash | Kibana | ServiceNow | PagerDuty | REST APIs
Key Responsibilities
Kubernetes & Platform Operations
- Operate and maintain Kubernetes clusters with Gardener, including workloads, deployments, Helm charts and platform components.
- Troubleshoot availability, performance and deployment issues.
- Ensure secure, scalable, resilient and highly available platforms.
CI/CD & Automation
- Operate and optimize Jenkins and ArgoCD pipelines for automated deployments.
- Implement IaC and Git-based deployment workflows.
- Develop automation and operational tools using Python, Go and/or Bash.
- Automate provisioning, health/compliance checks, alerting and reporting.
Monitoring & Observability
- Manage Prometheus, Thanos and OpenTelemetry environments, including scrape jobs, alert rules and PromQL.
- Develop and maintain Grafana dashboards and continuously improve monitoring and alerting.
Logging & Log Management
- Operate and optimize Elasticsearch/OpenSearch, Logstash and Kibana.
- Monitor log ingestion, storage, performance and reliability.
- Support centralized troubleshooting, anomaly detection, security and compliance.
Integration & Operations
- Integrate observability and logging platforms with ServiceNow, PagerDuty and other enterprise tools via secure APIs.
- Handle operational requests and participate in Scrum, DevOps and service-improvement activities.
- Collaborate with internal teams, SAP, suppliers and stakeholders.
Incident & Problem Management
- Participate in a 24/7 on-call and shift rotation, including weekends and public holidays.
- Respond to platform, monitoring, logging and deployment incidents.
- Perform RCA, support Major Incident Management (MIM) and implement sustainable corrective actions.
- Continuously improve platform stability, resilience and operational processes.