Embedded Networking Software Engineer – DPDK/Linux

Kalray; Montbonnot-Saint-Martin, Valbonne; On-site; EUR 60,000 - 90,000; Full time

Benefits offered by this job

RSU program

Paid leave RTT

Mobility incentives

Paternity leave

Team events

Job summary

Kalray is expanding its Software Networking team in Montbonnot or Sophia Antipolis, France. You will join a small, dynamic group crafting networking software for the DPU platform, from MAC/PHY drivers to data plane optimization.

The role targets embedded software engineers with 3+ years of experience, strong C, Linux kernel, Python, and networking know-how, plus familiarity with DPDK/OVS and virtualization tech.

Qualifications

• Strong proficiency in C programming and experience with large-scale software development.
• Solid experience with Linux kernel development, device drivers, or similar low-level programming.
• Proficiency in Python for scripting, automation, and test framework development.
• Good understanding of fundamental networking concepts, including TCP/IP, Ethernet, network protocols and packet forwarding techniques.
• Hands-on experience with the Data Plane Development Kit (DPDK) framework.
• Familiarity with Open vSwitch (OVS) architecture and hardware offload mechanisms.
• Experience with low-level hardware interfaces, such as MAC/PHY components.
• Knowledge of virtualization technologies like SR-IOV and KVM.
• Experience with performance tuning and optimization of networking data planes.

Responsibilities

• Design, develop, and optimize networking software for our cutting-edge DPU platform.
• Create and maintain low-level software, including MAC/PHY drivers and packet forwarding engine firmware.
• Develop and enhance Linux kernel drivers to support network offloads and hardware acceleration features.
• Implement and optimize data plane solutions utilizing the Data Plane Development Kit (DPDK) and Open vSwitch (OVS).
• Build and maintain robust, scalable, and automated test frameworks using Python to ensure software quality and performance.
• Collaborate closely with hardware and system architecture teams to define requirements, design software interfaces, and debug complex, system-level issues.
• Profile and analyze system performance to identify and resolve software bottlenecks.

Skills

C programming

Linux kernel development

Python scripting

Networking concepts

Education

Master’s degree or PhD in Computer Science or Computer Engineering

Tools

DPDK

Open vSwitch

SR-IOV

KVM

Job description

Kalray is expanding its Software Networking team in Montbonnot or Sophia Antipolis, France. You will join a small, dynamic group crafting networking software for the DPU platform, from MAC/PHY drivers to data plane optimization.

The role targets embedded software engineers with 3+ years of experience, strong C, Linux kernel, Python, and networking know-how, plus familiarity with DPDK/OVS and virtualization tech.