embedded networking software test & validation engineer

embedded networking software test & validation engineer Montbonnot-Saint-Martin (38) or Sophia Antipolis (06) Permanent REF : ENSVE Back REF : ENSVE Location Montbonnot-Saint-Martin (38) or Sophia Antipolis (06) Contract Type Permanent ABOUT KALRAY Kalray is a European leader in hardware acceleration, with full-stack acceleration expertise: from silicon to complete system. Our MPPA® (Massively Parallel Processor Array) architecture is the foundation of Kalray’s processor (30+ patent families, 15+ years of development) and acceleration cards that combine processing power, flexibility, and energy efficiency. Our mission is to deliver open data-efficient hardware accelerators to power next generation of data-intensive, AI-driven systems and infrastructures. We offer off-the-shelf processors, acceleration cards, and specialized processor development. With over 130 employees and presence in France and Romania, Kalray is backed by top-tier investors and publicly listed on Euronext Growth. You’ll be part of a pioneering team that is shaping the future of computing with cutting-edge processor architecture, software-defined solutions, and next-generation acceleration platforms. We offer a fast-paced, inclusive, and collaborative environment where ambitious experienced professionals and young talents can thrive—while enjoying the positive and inspiring lanscape of the Alps or the Côte d’Azur. You can learn more about us on our website, follow us on LinkedIn. You can learn more about us on our website , follow us on LinkedIn. WHAT YOU ‘LL BE DOING: As part of the launch of new strategic projects, we are strengthening our Software Networking team. You will join a small, dynamic group of 7 people, based in France, responsible for developing networking software solutions that span the entire stack, from hardware-level drivers to cloud-scale virtual switching. As our Software Test & Validation Engineer, your mission will be to ensure the stability, performance, and bulletproof reliability of our networking solutions. Your main responsibilities will include: Design, build, and maintain robust, scalable, and fully automated test frameworks using Python to validate our cutting-edge DPU platform. Develop automated test suites for functional, regression, performance, and stress testing across the networking stack (including MAC/PHY drivers, kernel modules, and data plane solutions). Define test strategies and test plans based on product requirements and architectural specifications, collaborating closely with software and hardware teams. Investigate, reproduce, and debug complex, system-level issues, working hand-in-hand with developers to find root causes. Profile, analyze, and benchmark network performance (throughput, latency, packet loss) to identify software bottlenecks and validate hardware acceleration features. Collaborate closely with software, hardware, and system architecture teams to ensure testability and smooth feature delivery. Integrate and optimize automated tests into our continuous integration (CI/CD) pipelines to enable seamless, automated quality gates. WHAT WE ARE LOOKING FOR: Technical skills: Strong proficiency in Python for scripting, test framework development, and automation. Solid experience in software validation, test automation, or QA for embedded systems or networking software. Good understanding of fundamental networking concepts, including TCP/IP, Ethernet, network protocols, and packet forwarding techniques. Extensive familiarity with Linux environments, including shell scripting and basic driver/kernel concepts. Nice to have: Hands-on experience testing data plane solutions utilizing DPDK or Open vSwitch (OVS). Experience with CI/CD tools (e.g., GitLab CI, Jenkins) and infrastructure automation. Experience validating performance/tuning for high-throughput, low-latency networking applications. Experience with traffic generation and analysis tools (e.g., Scapy, TRex, Iperf, Wireshark). Knowledge of virtualization technologies like SR-IOV and KVM Profile: Master's degree or PhD in Computer Science, Computer Engineering, or a related technical field. At least 3 years of experience in software validation, QA automation, or embedded software engineering. Strong analytical, troubleshooting, and problem-solving abilities. Clear communication skills and ability to work effectively in a collaborative team environment. A proactive approach with a strong sense of ownership and a “break-it-to-make-it-better” testing mindset. Curiosity and motivation to learn in a fast-evolving technical environment. Of course, you might not have all of those required skills! But feel free to apply anyway and explain to us why you believe you are the right person for the job. CONTRACT INFORMATION: Type of contract: Permanent contract Starting date: As soon as possible Location: Montbonnot(38) or Sophia Antipolis(06) (near Nice) WHAT WE CAN OFFER YOU: Competitive salary & performance-based RSU (free shares) Hybrid work model Additional paid leave (RTT) Meal vouchers (Edenred) Premium health coverage (Malakoff Humanis) Sustainable mobility incentives Generous paternity leave Monthly team activities (laser game, hiking, sailing, karaoke …) and large-scale company events RECRUITMENT PROCESS: First interview with the line manager Second interview with the team Final interview with HRD or CEO Equal Opportunity Statement KALRAY is committed to creating a diverse and inclusive environment, and we welcome applications from individuals of all backgrounds, identities, and experiences. We do not discriminate (including in our hiring and promotion practices) on the basis of race, religion, skin color, national origin, gender, sexual orientation, age, marital status, disability status, or any other characteristic protected by law. Should you require any accommodations or adjustments throughout the interview process and beyond, please do not hesitate to let us know.