Mid DevOps Engineer

Summary

Join the DT TSI HU Automation team and work with innovative technologies in a dynamic environment! Help ensure the stable and secure operation of an Android and iOS mobile application. We are looking for an expert who can support automated, scalable, and reliable infrastructure using modern DevOps tools. Maintain Infrastructure-as-Code (IaC) solutions, create and optimize CI/CD pipelines for containerized microservice systems, and utilize SRE and monitoring tools. Ensure TLS and certificate management for secure communication, manage secrets and authentication data, and manage and optimize container registries. The position requires experience with IaC, CI/CD pipelines, Docker, Kubernetes, monitoring and SRE, automation and scripting, and version control systems. German language proficiency (at least B2 level) is also required.

Requirements

• Experience in using Infrastructure-as-Code (Terraform, Ansible, or similar)
• Experience in building CI/CD pipelines (Jenkins, GitLab CI/CD, ArgoCD, etc.)
• Knowledge of Docker and Kubernetes
• Monitoring and SRE mindset (Jaeger, Prometheus, Grafana)
• Automation and scripting skills (Bash, Python, etc.)
• Knowledge of version control systems (Git)
• German language (at least B2)

Responsibilities

• Maintain Infrastructure-as-Code (IaC) solutions
• Create and optimize CI/CD pipelines for containerized microservice systems
• Use SRE and monitoring tools (e.g., Jaeger) to maintain system performance and reliability
• Ensure TLS and certificate management for secure communication
• Manage secrets and authentication data (Secrets Management)
• Manage and optimize container registries

Preferred Qualifications

• OTC (Open Telekom Cloud) experience
• Ensuring CI/CD processes for native mobile applications (iOS and Android)
• Knowledge of AWS, Azure, or other cloud providers
• IT security experience
• Knowledge of security and secret management solutions (e.g., Vault, KMS, Secrets Manager)
• English language