Senior SDN Network Engineer

• Design and operate the software-defined networking layer for cloud infrastructure.
• Contribute to open-source projects, including Open vSwitch, OVN, OpenStack Neutron, and Linux Kernel.
• Design and develop networking APIs and cloud network platform products.
• Implement comprehensive observability, including metrics, distributed tracing, and structured logging for network services.
• Build automation for network operations and day-to-day operational workflows.
• Lead root cause analysis on complex network incidents and implement effective fixes.

• Minimum 3+ years of relevant experience in a similar engineering role.
• Production experience with Open vSwitch (OVS) and OVN.
• Solid knowledge of cloud networking concepts: VPC, NAT, VPN, BGP, VXLAN, load balancing, DNS.
• Deep understanding of the Linux networking stack (namespaces, iptables, tc, kernel subsystems).
• Experience in integrating SDN solutions with OpenStack Neutron.
• Strong programming/scripting skills in C/C++, Go, Python, or Bash (Golang is highly valued for API building).
• Familiarity with Kubernetes networking and CNI plugins (e.g., Calico).
• Good command of English (min. B2).

• Experience with DPDK.
• Familiarity with using AI tools to optimize your day-to-day development workflow.

• A quick recruitment process.
• Standard benefits including preferential rates for LuxMed, Multisport, and life insurance packages
• The chance for long-term cooperation on projects for top players in numerous sectors
• Opportunities for future assignments with other leading clients through Hays

• Your CV will be verified by Hays Recruiter. 
• Recruiter will contact you by phone - a 15-minute conversation about the project and your experience. 
• Technical screening - an introductory alignment meeting.
• Meeting with the client - 1 or 2 interviews with the end client's technical team.
• Offer.
• Welcome to the project!

Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361.