T-Mobile
System Engineer Cloud (m/f/d)
Skills
5 days ago
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Important information
Location:
Budapest, Hungary
Work mode:
Onsite
Published on:
16 October 2026
What they need
Job ID: 744000154096270
System Engineer Cloud (m/f/d)
Budapest, Debrecen, Pécs, Szeged
Professional
Regular
Deutsche Telekom TSI Hungary Kft.
Your Task
We are looking for an ambitious, experienced German-speaking Cloud System Engineer who would like to work in a small, self-organizing team that operates SaaS/PaaS platforms for multiple clients. In this position, you will play an active role in the entire operation process, from building and operating T Cloud Public infrastructure to managing Kubernetes environments. The team works with a self-developed automation framework, in the further development of which you are also involved. The aim of this project is to provide a high quality digital customer experience and to develop modern infrastructures, providing the necessary professional knowledge.
Responsibilities
- Build and operate cloud infrastructure in T Cloud Public environment with our own OpenTofu/Ansible framework
- Participate in the further development of the framework by creating new modules and roles and implementing development proposals
- Run Kubernetes (CCE) environments, including Helm, Ingress, and Load Balancer components
- Build and maintain GitLab CI/CD pipelines and templates for installing and configuring product packages
- Define and carry out operational tasks according to service operations best practices
- Ensure reliable monitoring and troubleshoot in harsh environments
Your Profile
We are looking for an experienced Cloud System Engineer with strong expertise in cloud infrastructure, Kubernetes, automation frameworks, and operational support. The ideal candidate should have hands-on experience with infrastructure as code tools, container orchestration, and CI/CD pipelines, along with proficiency in English.
Must Have Skills
- Experience in operating cloud platforms and applications (e.g. T Cloud Public/OpenStack, Azure, AWS, GCP)
- At least thorough, hands-on knowledge of a public cloud platform
- Extensive system administration experience
- Experience in operational support: troubleshooting, fault analysis, incident management
- Practical knowledge of Terraform/OpenTofu (modules, state management)
- Practical knowledge of Ansible (roles, inventories, idempotencies)
- Knowledge of Kubernetes and Docker
- Git and GitLab CI/CD experience
- Scripting experience (Bash/Python)
- Automation experience
- Monitoring experience (Prometheus, Grafana)
- Experience in automating workflows, using AI effectively
- Proficiency in English in writing and oral
Nice to Have Skills
- Experience in an OpenStack-based cloud environment
- Knowledge of AWX/Ansible Tower
- Container security experience (Trivy/Trivy Operator)
- Knowledge of Active Directory/Azure Entra IDs
- Knowledge of Web Application Firewalls
- Experience in the administration of database systems
- German language skills
About Us
The most attractive employer in Hungary in 2025 (according to a representative survey by Randstad) is Deutsche Telekom IT Solutions, a subsidiary of the Deutsche Telekom Group. With more than 5,300 employees, the company provides a wide range of IT and telecommunications services. It has hundreds of large corporate clients in Germany and other European countries.
DT-ITS was awarded the HIPA "Best Educational Collaboration" award in 2019, as well as the "Most Ethical Multinational Company" in the same year.
The company is constantly developing its sites in Budapest, Debrecen, Pécs and Szeged and is looking for qualified IT professionals to join its team.
Benefits
- A small, self-organizing team with a lot of autonomy
- Possibility to form a self-developed IaC and automation framework
- Modern cloud and Kubernetes technologies in sharp environments
- Diverse tasks when operating SaaS/PaaS platforms for multiple clients
- International, English-speaking working environment
Company Policies
Remote working possibility is only available within Hungary due to European taxation regulation
Job Benefits
Work-Life Balance
Remote working possibility available within Hungary
Professional Development
- Work in a small, self-organizing team with a lot of autonomy
- Possibility to form a self-developed IaC and automation framework
- Modern cloud and Kubernetes technologies in production environments
- Diverse tasks when operating SaaS/PaaS platforms for multiple clients
Work Environment
International, English-speaking working environment
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