❓ 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 the Architecture Team Leader to define, document and drive system architecture for cutting-edge HPC systems, while contributing to collaborative projects with industrial and academic partners.
Your missions
- Define and structure the integration framework for SiPearl microprocessors, including use cases, hardware and software interfaces, and lifecycle compliance management
- Lead architectural engagements with partners and customers to design optimized HPC nodes based on one or multiple SiPearl processors
- Develop integration, performance measurement, benchmarking, and optimization tools to ensure processing efficiency and energy performance across the product lifecycle
- Contribute actively to collaborative projects, technical deliverables, technology watch activities, and partner workshops
- Support customers in migrating their applications toward new system

📌 [Permanent position] Senior system architect (Bologna)
🏢 SiPearl
📍 Bologna