Job
In this role, you design scalable network architectures for cloud environments, plan network topologies for GPU clusters, and optimize multi-data center networks using OpenStack and Kubernetes.
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Your role in the team
- As a Network Architect (m/f/d) on the Data Center Operations team, you design our cloud network. It spans everything from the spine-leaf fabric and multi-tenant networks in OpenStack and Kubernetes to GPU clusters for AI workloads across multiple data center locations.
- You define what our network looks like today and three years from now, working closely with our platform and operations teams.
- You design scalable, highly available network architectures for our multi-datacenter environment based on OpenStack and Kubernetes.
- You design multi-tenant networks with Neutron/OVN and container networking with CNI plugins such as Cilium or Calico.
- You design network topologies for GPU clusters using RoCE, InfiniBand, and lossless Ethernet, and optimize them for distributed training and latency-critical applications.
- You are responsible for inter-DC connectivity, geo-redundancy, failover scenarios, and disaster recovery and business continuity concepts.
- You ensure the network’s availability, performance, and security, including through load balancing, traffic engineering, QoS, and capacity planning.
- You evaluate new networking technologies and standards and make informed decisions, including for open solutions such as SONiC.
- You create architecture diagrams, standards, and best-practice guides, advise development and operations teams, and help shape security and compliance requirements.
Our expectations of you
Qualifications
- In-depth expertise in modern DC architectures (Spine-Leaf/CLOS) and routing with BGP and EVPN-VXLAN.
- Experience with automation and Infrastructure as Code, e.g., Python, Ansible, Terraform, GitOps.
- The ability to explain complex networking topics clearly and document decisions thoroughly.
- Very good German and English skills.
- Willingness to travel occasionally to our data center locations.
Experience
- Several years of experience in designing and operating networks in data centers. You have planned and operated physical data center infrastructure yourself, not just configured cloud networks at hyperscalers.
- Experience with network virtualization in OpenStack (Neutron, OVN/OVS) and/or Kubernetes (CNI, Network Policies, Ingress).
What we offer
- You’ll become part of a dynamic, growing team with a genuine first-name culture.
- We give you the freedom to actively contribute your talents and help shape the future of the company.
- Take advantage of the diverse career advancement opportunities in a growing environment and benefit from our exciting international prospects.
- We place great importance on work-life balance.
- Work 100% remotely from Germany or Austria, or in a hybrid setup at our locations in Berlin, Augsburg, or Vienna.
- We invest in you.
- With your own professional development budget, you decide which professional or personal skills you’d like to develop next.
- So you can perform at your best, we’ll provide you with the right tools.
- Choose freely between state-of-the-art Apple or Windows devices.
- We subsidize your Deutschlandticket so you can travel comfortably and sustainably.
- With Wellpass, you can access thousands of gyms, swimming pools, yoga classes, and wellness services across Germany, with the flexibility to choose what suits you best.
- Look forward to 30 days of vacation.
- Christmas and New Year’s Eve are also completely off for us.
- You’ll receive an additional day off for your volunteer work.
Topics you will work on
Job locations
About your employer
Yorizon GmbH & Co. KG is a modern joint venture start-up with locations in Berlin and Vienna, specializing in sustainable cloud computing solutions in the field of green IT. Since its founding in 2024, the company has focused on digital sovereignty and security according to European standards, utilizing energy-efficient data centers and open-source technologies. Yorizon supports both businesses and public institutions in their digital transformation through customizable cloud infrastructures.
- Startup
- Onsite, Hybrid
- Internet, IT, Telecommunication
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