Senior Site Reliability Engineer – m/f/x

🕒 March 26

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SysEleven GmbH

WebsiteLinkedInAll Job Openings

51 - 200 employees

☁️ SaaS

🔐 Security

Cloud Computing • SaaS • Security

SysEleven GmbH is a provider of advanced cloud and IT infrastructure solutions focused on offering sovereignty, security, and scalability for businesses. Specializing in OpenStack and Kubernetes technologies, SysEleven offers managed cloud services, container solutions, and managed Kubernetes operations designed to maximize IT agility and efficiency. Their services are tailored to meet high performance, security, and compliance requirements, making them suitable for sensitive data handling, secure IT operations, and diverse business applications, including e-commerce and enterprise workloads.

📋 Description

• Ensure the reliability, availability, and performance of our Database- and Observability-as-a-Service products • Manage container-based applications in Kubernetes with a strong focus on security and resilience • Lead incident response, root cause analysis, and sustainable remediation efforts • Apply GitOps principles using Helm and Argo CD • Develop API services and tooling in Go to deliver stable SaaS products • Build and optimize CI/CD pipelines to improve deployment safety and system stability • Design and manage scalable infrastructure using IaC tools (e.g., Terraform) in cloud environments

🎯 Requirements

• Several years of experience operating highly available systems in Linux and Kubernetes environments • Strong understanding of observability concepts (monitoring, logging, tracing) • Practical development experience in Go (knowledge of Python or Rust is a plus) • Experience with Infrastructure-as-Code tools such as Terraform or OpenTofu • Hands-on experience in incident management and structured root cause analysis • Familiarity with CI systems, especially GitLab CI • Strong problem-solving skills and good communication skills in German and English (minimum B2 level)

🏖️ Benefits

• Blameless culture • Open communication • Knowledge sharing • Autonomy to drive initiatives