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Design and operate the software-defined networking layer for cloud infrastructure while contributing to open-source projects like OVS and OVN. Develop networking APIs, implement observability tools, and lead root cause analysis for network incidents.
Our client is a leading European technology organization focused on cloud computing, cybersecurity, and artificial intelligence. With a strong commitment to digital sovereignty and data protection, the company develops and operates a proprietary cloud platform that serves both internal business units and external customers. Its cloud ecosystem enables secure, scalable, and GDPR-compliant digital services for enterprises across Europe.
Freelance cooperation
Start date: ASAP/01.07.2026
Duration: until 31.10.2026, with the possibility of extension for an additional 6-12 months
Production experience with Open vSwitch (OVS) and OVN.
Solid knowledge of cloud networking: VPC, NAT, VPN, BGP, VXLAN, load balancing, DNS.
Deep understanding of the Linux networking stack: namespaces, iptables, tc, kernel subsystems.
Experience integrating SDN solutions with OpenStack Neutron.
Programming skills in C/C++, Go, Python, or Bash.
Familiarity with Kubernetes networking and CNI plugins (e.g. Calico).
DPDK experience is a plus.
Good command of English.
Experienced in using AI tools in day-to-day workflow
Design and operate the software-defined networking layer for cloud infrastructure.
Contribute to open-source projects: Open vSwitch, OVN, OpenStack Neutron, Linux Kernel.
Design and develop networking APIs and cloud network platform products.
Implement observability: metrics, distributed tracing, structured logging for network services.
Build automation for network operations and operational workflows.
Lead root cause analysis on network incidents and implement fixes.
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