Toolchain Architect - Senior
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
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
• Evaluate maturity of existing toolchains
• Detect best and bad practices
• Define migration scenarios
• Support on defining roadmaps
Qualifications
Experience & Skills
Several years of experience in DevOps, Platform Engineering, or Cloud Architecture
Strong 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)
Additional Information
* Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.
Company: Deutsche Telekom TSI Hungary Kft.
Apply To This Job
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
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
• Evaluate maturity of existing toolchains
• Detect best and bad practices
• Define migration scenarios
• Support on defining roadmaps
Qualifications
Experience & Skills
Several years of experience in DevOps, Platform Engineering, or Cloud Architecture
Strong 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)
Additional Information
* Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.
Company: Deutsche Telekom TSI Hungary Kft.
Apply To This Job