Senior Networking Linux Engineer

Sii Ukraine is a subsidiary of Sii Poland, looking for a Senior Networking & Linux Driver Engineer to design, develop and optimize high-performance networking software, Linux kernel components and device drivers for DPU platforms.

• Develop and maintain networking software and Linux drivers for DPU platforms.
• Optimize high-speed packet processing paths.
• Collaborate closely with hardware, firmware and architecture teams.
• Investigate and resolve networking performance bottlenecks.
• Participate in architecture discussions, code reviews and system integration activities.
• Contribute to software quality, automation and CI/CD processes.

• 10+ years of professional experience in networking software development.
• Strong hands-on Linux kernel and device driver development experience.
• Deep understanding of Linux networking internals.
• Proven experience with Ethernet, TCP/IP and high-performance packet processing systems.
• Strong C/C++ programming skills.
• Track record of debugging and performance optimization in complex production environments.
• Ability to demonstrate direct implementation ownership and technical leadership.
• Linux kernel development.
• Device driver development and debugging.
• Linux networking stack (netdev, packet processing, performance tuning).
• Advanced C/C++ on Linux.
• Network protocols: Ethernet, IPv4/IPv6, TCP, UDP.
• Git and modern software development practices.
• Strong system-level debugging skills.
• Tax residence in Ukraine required