❓ About SiPearl…
SiPearl is the European fabless designer of sovereign secure high-performance energy-efficient CPUs for HPC, AI and data centres. These CPUs will help address strategic challenges in the fields of security, defence, medical research, energy, climate and engineering with a reduced environmental footprint.
In June 25, SiPearl completed the design of the most complex CPU ever designed in Europe, Rhea1. Featuring 80 Arm Neoverse V1 cores, with 61 billion transistors, it is currently in production at TSMC. Sipearl CPUs will equip the two first European exascale supercomputers belonging to EuroHPC JU: Rhea1 will be integrated into the JUPITER machine based in Germany and Rhea2 will be part of Alice Recoque in France.
Incubated within the European Processor Initiative (EPI) consortium and seed-funded by the European Union, SiPearl employs almost 200 people in :
- France (Maisons-Laffitte, Grenoble, Massy, Sophia Antipolis),
- Spain (Barcelona)
- and Italy (Bologna)

Following a €130 million Series A, the company has launched its Series B round.
About the role




In this role, you will work closely with ASIC development teams, IT, and external partners to define, deploy and continuously improve the ASIC development methodology and design flow, ensuring efficiency, robustness and alignment with user needs and project constraints.
You will act as a technical reference for methodology and tools, driving best practices, supporting teams and contributing to strategic technology decisions.
Your missions
- Define and evolve the ASIC development methodology and design flow based on user needs and project constraints
- Lead the evaluation, deployment and optimization of EDA tools and internal automation
- Supervise or contribute to the development, validation and performance optimization of tools, utilities and scripts
- Provide expert-level support to development teams and collaborate with IT on efficient working environments
- Act as the primary technical interface w

📌 [Permanent position] Senior CAD flow engineer (Castelldefels)
🏢 SiPearl
📍 Castelldefels