Technology Architect (Virtualization, Network) (REF5560V)

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.

Technology Architect will design the networking and security architecture for the Non-VMware private cloud platform within the FCI Service Family base on the open source. The role focuses on building scalable, secure, and multi-tenant SUSE/KVM-based cloud services with focus on Software-Defined Networking capabilities. The architect will design network part for cloud platform base on the KVM virtualization, networking, automation, and integration domains.
Key responsibilities
* Design and implement a SUSE-based virtualization platform using KVM as the hypervisor
* Ensure the platform is certified and optimized for workloads, including sizing, high availability, and performance requirements.
* Design the network architecture (management, storage, tenant networks) to support the platform.
* Implement Software-Defined Networking (SDN) (e.g., OVN/OVS or similar) for flexible tenant isolation, micro-segmentation, and multi-tenant support.
* Define security zones, firewall rules, and routing patterns aligned with SAP and enterprise requirements.
* Standardize on Infrastructure as Code using Terraform (infrastructure provisioning) and Ansible (configuration management).
* Provide APIs and integration patterns so other tools and portals can consume the platform services

Candidate Requirements:

Required Skills
* Network architecture
* Data Center Infrastructure
* Strong communication and self-management skills
* English knowledge
Nice to Have
* Terraform & Ansible
* Linux / SUSE
* Security Engineering
* Overlay Networking
* Grafana & Prometheus
* Technical documentation
* ITIL / Agile
* German language