T-Mobile
DevOps / SRE Engineer (m/f/d) Cloud & AI-Ops Focus
Skills
5 days ago
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Important information
Location:
Pécs, Hungary
Work mode:
Onsite
Published on:
16 October 2026
What they need
Job ID: 744000150079584
DevOps / SRE Engineer (m/f/d) Cloud & AI-Ops Focus
Pécs, Budapest, Debrecen
Professional
Regular
Deutsche Telekom ITTC Hungary Kft.
Your Task
You are joining an initiative focused on the evolution and modernization of the Internal Application Landscape. This project involves the strategic transition of well-known cloud services and legacy .NET architectures into a next-generation, AI-augmented, and cloud-native software landscape. The goal is not simply to maintain the existing system, but to proactively transform it—ensuring sovereignty, high-performance scalability, and seamless handover readiness through disciplined engineering.
This role emphasizes CI/CD automation, infrastructure stability, and application operations. You are responsible for the platform that enables the team to deploy frequently and safely, managing both traditional infrastructure and modern containerized environments. Your mission is to provide the operational backbone and automated delivery foundation for the evolving ecosystem, ensuring that the transition from legacy deployment methods to modern, cloud-native, and AI-integrated workflows is seamless, stable, and highly observable.
The team operates at the intersection of Legacy Stability and Modern Innovation, utilizing AI-augmented engineering with advanced AI development environments and cutting-edge model families to accelerate code comprehension, refactoring, and documentation. The approach is defined by disciplined SDLC patterns, the "Strangler Fig" modernization strategy for risk-mitigated evolution, and high-seniority autonomy as a lean, highly autonomous unit.
Key Responsibilities
- CI/CD Orchestration: Design and maintain automated pipelines (GitLab, GitHub, Jenkins, ArgoCD) that support both legacy .NET deployments and modern, containerized/Kubernetes workflows
- Infrastructure as Code (IaC): Automate the provisioning and management of infrastructure using tools like Terraform, Ansible, or Bicep
- Application Operations & Reliability: Manage the health and performance of mission-critical applications, ensuring high availability and rapid incident response
- Observability & Telemetry: Implement advanced monitoring, logging, and tracing (e.g., Prometheus, Grafana, ELK, OpenTelemetry) to provide visibility into legacy and modern services
- Operational Automation: Utilize Microsoft Power Automate or PowerApps to create automated operational workflows, such as incident escalation or deployment approval gates
- Security & DevSecOps: Integrate security best practices (secrets management, access controls, vulnerability scanning) directly into the delivery pipelines
Your Profile
We are seeking a highly experienced DevOps/SRE Engineer with expertise in managing hybrid infrastructure environments, CI/CD automation, and application operations. The ideal candidate should have deep knowledge of both legacy and modern cloud-native technologies, strong automation skills, and a reliability-focused mindset.
Must Have Skills
- 5+ years of experience in DevOps, SRE, or Systems Engineering, managing enterprise-scale application lifecycles
- Proven experience managing traditional infrastructure environments (VMs, IIS, Windows Server)
- Proven experience managing modern infrastructure environments (Docker, Kubernetes, Cloud)
- Expert knowledge of CI/CD tools (GitLab, GitHub, Jenkins, ArgoCD)
- Expert knowledge of Infrastructure as Code (IaC) principles
- Experience with IaC tools such as Terraform, Ansible, or Bicep
- Proficiency in PowerShell scripting
- Proficiency in Bash scripting
- Experience with observability and monitoring tools (Prometheus, Grafana, ELK, OpenTelemetry)
- Knowledge of security best practices including secrets management, access controls, and vulnerability scanning
- Focus on observability and incident management
- Experience with proactive prevention of system outages in complex environments
- Strong reliability mindset
Nice to Have Skills
- Proficiency in Python for advanced automation tasks
- Proficiency in C# for advanced automation tasks
- Experience with Microsoft Power Automate for operational workflows
- Experience with PowerApps for operational workflows
- Experience with AI-augmented development environments (Cursor, Windsurf, Claude Code)
- Knowledge of Strangler Fig modernization patterns
- Experience with legacy .NET architecture modernization
- Experience with cloud-native software development
About Us
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 received the Best in Educational Cooperation award from HIPA in 2019, acknowledged as 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.
Company Policies
- Remote working possibility is only available within Hungary due to European taxation regulation
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