ICT Architect (m/w/d)

We are currently partnering with our client to identify a talented ICT Architect (m/w/d ) to support the design and development of a cloud platform based on open-source virtualization technologies, with a focus on compute, virtualization, and networking (SDN). In this role, you will join a team operating in a lean-agile environment, continuously optimizing processes to deliver the best possible customer experience. This approach is supported by a high degree of autonomy and personal accountability, enabling the delivery of reliable, stable, and secure services. Main Tasks Design and development of the cloud platform based on open-source virtualization technologies, with a focus on compute, virtualization, and networking (SDN). Integration and operation of KVM/QEMU for the virtualization layer as well as OVN/OVS for SDN, tenant isolation, routing, and network segmentation. Automation of provisioning, configuration, and day-2 operations using Infrastructure as Code (IaC) and CI/CD. Definition and implementation of operational models for monitoring, alerting, logging, as well as incident, problem, and change management. Technical coordination with architecture, security, operations, and external vendors, including validation through integration, failover, and acceptance testing. Must Have Relevant education and corresponding professional experience required. Design and development of the cloud platform based on open-source virtualization technologies, with a focus on compute, virtualization, and networking (SDN). Integration and operation of KVM/QEMU for the virtualization layer as well as OVN/OVS for SDN, tenant isolation, routing, and network segmentation. Automation of provisioning, configuration, and day-2 operations using Infrastructure as Code (IaC) and CI/CD. Definition and implementation of operational models for monitoring, alerting, logging, as well as incident, problem, and change management. Technical coordination with architecture, security, operations, and external vendors, including validation through integration, failover, and acceptance testing. Very strong experience in Linux/system engineering within production-like environments. Deep hands-on expertise in KVM, QEMU, libvirt, as well as OVN / Open vSwitch. Strong understanding of IP networking, L2/L3, overlay networks, routing, NAT, ACLs/security groups, load balancing, and tenant separation. Experience in building or operating private cloud / IaaS / virtualization platforms with a focus on high availability (HA), scalability, and resilience. Strong knowledge of automation/IaC using tools such as Terraform, Ansible, Python, and Bash. Experience with Git, GitLab/GitHub, CI/CD, and standardized release and deployment processes. Solid knowledge of observability tools such as Prometheus, Grafana, ELK/OpenSearch, as well as structured troubleshooting and root cause analysis (RCA). Experience with security hardening, secrets management, certificates, RBAC/IAM, and operational security requirements. Independent, resilient personality with a strong ownership mindset. Fluent English, written and spoken; German is a strong plus. Nice to Have Experience with Ubuntu/Canonical, Proxmox, or other OS-based hypervisor technologies, or comparable cloud/IaaS platforms. Knowledge of Kubernetes/KubeVirt/Kube-OVN, as well as interfaces between VM, container, and networking platforms. Experience in service provider, telecom, or managed service environments. Knowledge of SRE, DevSecOps, engineering practices, and platform governance. Experience with cloud landing zones, IAM/network design, disaster recovery (DR), business continuity management (BCM), and service management processes. Knowledge of storage integration for virtualization platforms, performance tuning, and capacity forecasting. Certifications in Linux, networking, Kubernetes, or cloud/IaC are a plus. General Information Start Date: asap Contract Duration: Temporary, asap until end of 30/04/2027 Location: Zürich Workload: 100% Remote Work: Home office available Working Hours: Standard 40 hours per week with home office Industry: Telecom