Senior SDN Network Engineer
Senior SDN Network Engineer | SDN | Open vSwitch | OVN | remote | 135 - 150PLN/h
Hays IT Contracting is a cooperation based on B2B rules. We connect IT specialists with the most interesting technological projects on the market. For our client, a leading international financial services provider specializing in investment fund administration and asset management solutions, we are currently looking for Candidates for the position of Senior SDN Network Engineer
Work mode: Remote
Compensation: 135 - 150 PLN/h net (+ VAT) (depending on your seniority level)
Contract type: B2B Start Date: ASAP (Target: July 1, 2026)
Project: Initial contract until October 1, 2026, with a high possibility of extension
Language: B2/C1
Project and Role Overview
In this role, you will be responsible for building, designing, and automating advanced software-defined networking layers for modern cloud infrastructure. The project focuses heavily on OpenStack development (Cinder/Nova/Neutron), Open vSwitch/OVN networking, and building infrastructure APIs using Golang. It’s a perfect opportunity for engineers who want to work on large-scale infrastructure and actively contribute to the global open-source community.
Responsibilities:
- 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.
Key Requirements:
- 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).
Nice to have:
- Experience with DPDK.
- Familiarity with using AI tools to optimize your day-to-day development workflow.
What We Offer:
- 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
What will the recruitment process look like:
- 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.
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