Senior DevOps Engineer - REF4482J

Company Description

As Hungary’s most attractive employer in 2025 (according to Randstad’s representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries.

DT-ITS recieved the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team.

Job Description

We are an Engineering Team, we deploy, integrate and operate critical enterprise applications for a multitude of customers with modern concepts of SRE and DevOps in various cloud environments. If you would like to work in a proactive team with a lot of opportunities to learn modern cloud technologies, (and quite a few technical challenges) then please apply.

Your Tasks Will Be:

• Conception, implementation, operation and documentation for cloud projects, solutions and products
• Perform health checks, optimize monitoring and executing deployments in cloud environments
• Customer consulting on cloud architecture and intensive collaboration with developers and internal departments of customers around agile DevOps and operational processes
• Collaboration in DevOps / agile methods (Sprints, etc.)
• Automation with Infrastructure-as-Code and configuration management tools
• Conception, enhancements and optimization for continuous integration / continuous delivery, with heavy focus on Continuous Integration
• Improvement of availability and performance
• Support for simple programming tasks (Python, Java)
• Create structured documentation
• Presentation of concepts and solutions for the customer

Qualifications

Requirements:

• Extensive experience in microservice architectures, container and container orchestration (Kubernetes, Docker/OCI, Helm)
• Cloud infrastructure & architecture experience
• Experience with monitoring and logging tools
• Experience with databases in container deployments
• Experience with other open source, cloud native technologies/concepts such as Secret Management, Container Repositories, Ingress/Egress, Service Mesh (Istio)
• Declarative languages (YAML, JSON)
• Experience automation CI/CD and GitOps (ArgoCD, GitLab Pipelines or Flux)
• Experience in DevOps environment (git, Jenkins/GitLab, GitHub)
• Scripting knowledge in Bash or Python
• English language skills in min. B2

Nice To Have:

• Java application architecture knowledge
• Experience in cloud environment / cloud technologies and their architecture concepts (Azure or AWS or GCP or comparable Private Cloud)
• Deep knowledge of some of the following: Prometheus, Grafana, Thanos, Loki, Graylog, ELK/EFK, OpenSearch
• Deep knowledge of any of the following databases in container deployments: MariaDB, Postgres, MySQL, Kafka, Redis
• Deep knowledge of Secret Manager/identity manager tools i.e: OpenBao, Hashicorp Vault, Keycloak

Additional Information

• Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.
• Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.