SDN Network Engineer OVS / OVN

Our client is a leading European technology organization focused on cloud computing, cybersecurity, and artificial intelligence. The company develops and operates a proprietary cloud platform that serves both internal business units and external customers, enabling secure, scalable, and GDPR-compliant digital services for enterprises across Europe.

• 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).
• Good command of English.

Nice to have:

• DPDK experience.
• 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.

Freelance cooperation. Start date: ASAP/01.07.2026. Duration: until 31.10.2026, with the possibility of extension for an additional 6-12 months.