Deutsche Telekom IT Solutions
Telecommunications
ToolchainArchitect-Senior
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“Toolchain Architect - Senior at Deutsche Telekom IT Solutions. Skills: Toolchain Architecture, CI/CD, Kubernetes, Platform Engineering, Cloud Architecture, DevOps, Infrastructure as Code (IaC), GitOps. Support on developing Container Engineering Portfolio with a high Customer focus. Plan and Build CI/CD Toolchains”
Industry & Context.
Ability to analyze and improve complex toolchains; Detect best and bad practices; Define migration scenarios
What They're Looking For.
Must Have
Several years of experience in DevOps, Platform Engineering, or Cloud Architecture, architectural and systems thinking, Experience in enterprise‑scale environments, Ability to analyze and improve complex toolchains, Customer‑focused mindset and consulting skills, Fluent English (spoken and written)
Nice to Have
Consulting or customer‑facing project experience, Experience modernizing legacy systems, Platform engineering or Internal Developer Platform (IDP) experience, Architecture review or governance background, Business German (spoken and written)
What You'll Do.
Support on developing Container Engineering Portfolio with a high Customer focus
Plan and Build CI/CD Toolchains
Support customer in cloud integration deployments
Review existing Toolchains
How You'll Work.
Communication Scope
Fluent English (spoken and written); Business German (spoken and written)
Full Job 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. Support on developing Container Engineering Portfolio with a high Customer focus. • Plan and Build CI/CD Toolchains • Support customer in cloud integration deployments Review existing Toolchains *Infrastructure as Code (IaC) - (Ansible, Terraform, Crossplane) • Declarative vs. Imperative IaC • Secrets Handling • Multi-Environment strategy *GitOps & Declarative Delivery Modelle - (ArgoCD, Flux, Git) • Git as Single Source of Truth • Pull- vs. Push-Models • Multi-Cluster GitOps Patterns *Kubernetes & Plattform Engineering - (Kubernetes) • Cluster-Architecture • CNI / CSI / Ingress • Multi-Cluster & Hybrid • API-Extensions (CRDs, Operators) *CI/CD & Toolchain-Architecture- (Jenkins, GitLAB) • Pipeline Design Patterns *Systemintegration in existing landscapes • Integration in Legacy-Systems • On-Prem ↔ Cloud Hybrid • Understanding network topologies *Cloud- & Hybrid-Architekturen • understanding public cloud concepts (AWS, Azure, T-Cloud Public, GCP) • Private Cloud Integration *Security & Compliance (DevSecOps) - (Vault, Secrets Manager) • Secrets Management • RBAC & IAM • Policy as Code *Observability & Operations - (Prometheus, Grafana, Loki, Thanos, Open Telemetry, ...) • Metrics, Logs, Traces • Alerting strategies • Metrics Visualization *Architecture reviews • Understand and create Architecture diagrams • Eva
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