
SiPearl is a European semiconductor company focused on designing high-performance, energy-efficient processors for supercomputing and Artificial Intelligence (AI). Founded by Philippe Notton in June…

SiPearl is a European semiconductor company focused on designing high-performance, energy-efficient processors for supercomputing and Artificial Intelligence (AI). Founded by Philippe Notton in June…
Founded / CEO: 2019 — Philippe Notton
Flagship product: Rhea1 processor family (Arm Neoverse V1; samples available early 2026; manufactured at TSMC)
Primary markets: High-performance computing (HPC), AI, data centres — target: European exascale (JUPITER)
Recent funding: €130M Series A final close (2025-07-08)
Headcount: 167 employees (profile data)
Design and supply of sovereign, energy-efficient, high-performance processors for HPC, AI, and data-centre workloads.
2019
Semiconductor Manufacturing
€130,000,000
Definitive closing with a third tranche; finalises Series A.
€23,000,000
Described as €15m equity plus €8m syndicated bank loan.
€90,000,000
Included up to €25m convertible debt from the EIB (with €10m ultimately subscribed).
€17,500,000
Comprised of a €2.5m grant plus up to €15m in equity investments via the EIC Fund; described as the first direct investment of the EIC Fund.
€7,400,000
Grant funding cited at operational launch / design start timeframe.
“Investor mix includes strategic corporate investors (Arm, Eviden/Atos), public-sector innovation funds and programs (EIC Fund, France 2030), financial institutions (EIB, Caisse d'Epargne Rhone Alpes), and venture participation (Cathay Venture).”
❓ 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 :
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Following a €130 million Series A, the company has launched its Series B round.
🎯Missions The SiPearl Validation Laboratory in Barcelona requires a management system comparable to those used in modern data centers. In line with current standardization and open-source practices, the selected solution is the OpenCHAMI project.
The objective of this internship is to deploy, integrate, and adapt the OpenCHAMI tools within the SiPearl MicroLab infrastructure. The intern will ensure that the platform operates correctly in the laboratory environment and will contribute improvements when required.
This project provides practical exposure to the architecture and management of High-Performance Computing (HPC) clusters and data centers, including infrastructure deployment, automation, and system management.
During This Internship, You Will:
🔍What makes you a good match for the role
📍 Location -> Castelldefels 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.
This new generation of microprocessors will first target EuroHPC Joint Undertaking ecosystem , which is deploying world-class supercomputing infrastructures in Europe for solving major challenges in medical research, artificial intelligence, security, energy management and climate with a reduced carbon footprint. 🌱
Incubated Within The European Processor Initiative (EPI) Consortium And Seed-funded By The European Union, SiPearl Employs Almost 200 People In :
Following a €130 million Series A, the company has launched its Series B round.