Senior DevOps-Engineer

Summary

Join Deutsche Telekom IT Solutions, a leading ICT employer in Hungary, as a DevOps Engineer. This challenging role involves utilizing cutting-edge technologies and offers flexible work arrangements, including remote work options within Hungary. You will be responsible for developing, maintaining, and enhancing CI/CD pipelines, managing Kubernetes clusters, and supporting the integration of external systems. Experience with various tools and technologies, including Jenkins, Kubernetes, and cloud environments, is essential. Fluency in German is required, while English is preferred. This position provides opportunities for professional growth and collaboration within a dynamic team.

Requirements

• Practical experience in implementing and maintaining CI/CD pipelines with the most widely used tools: Jenkins, Maven / npm, Bitbucket / Git, Docker, Nexus/Harbor, Prometheus / Grafana, EFK stack, Sonarqube, Dependency-Check, Clair
• Confident Linux knowledge and experience in managing Linux-based systems
• Experience in operating and maintaining Kubernetes clusters, executing Helm-based deployments, and using kubectl to create and modify Kubernetes objects (namespaces, pods, deployments, ingresses, services, etc.)
• Experience in cloud environments, especially using Open Telekom Cloud and other cloud management consoles
• Experience in providing 2nd and 3rd level support to architects, developers, and testers, and using Jira and other workflow tools
• Knowledge of encryption, authentication, and authorization processes (e.g., SSL, Samoa, OpenID Connect), and related tools (e.g., Keycloak), as well as security mechanisms in Kubernetes environments (e.g., mutual TLS)
• Knowledge of relational databases (Oracle, PostgreSQL) and SQL, as well as basic database administration experience
• Experience in an agile software development environment, especially with Java and Angular technologies
• Windows Server administration knowledge (server setup, network configuration changes, user management)
• DevOps or cloud-related certifications (e.g., CKA, or Open Telekom Cloud, AWS, Azure, Google Cloud certifications)
• German language skills (spoken and written)

Responsibilities

• Develop, maintain, and enhance CI/CD pipelines using Groovy and shared library code (implement new features, expand pipeline functionality, integrate and manage tools)
• Operate and configure Kubernetes clusters for integration, system, and acceptance test environments, as well as infrastructure clusters (expand worker nodes, customize configurations)
• Execute Helm-based container image deployments (GeFa applications)
• Support the integration of external systems (e.g., document management, text editor, subsystems) via VPN and make them accessible in the test environment; collaborate with software vendors and client contacts (subproject: "Umsysteme integration")
• Manage provisioned services in the Open Telekom Cloud environment (Elastic Cloud Server, Load Balancer, Cloud Container Engine, etc.)
• Support the supervision of Oracle and PostgreSQL databases in collaboration with database administrators
• Jira-based task management: process developer and testing needs, implement configuration changes, perform error analysis and environment support

Preferred Qualifications

• English language skills
• Participation in international and agile projects
• Experience in a multinational company

Benefits

Remote work possibility within Hungary