
SiPearl designs and delivers high-performance, energy-efficient processors optimized for supercomputing, AI, and large-scale data centers. The company is a European fabless semiconductor designer;…

SiPearl designs and delivers high-performance, energy-efficient processors optimized for supercomputing, AI, and large-scale data centers. The company is a European fabless semiconductor designer;…
Founded: 2019
Headquarters: Maisons-Laffitte, Île-de-France, France
Product focus: High-performance, energy-efficient Arm-based CPUs for supercomputing and AI (Rhea1)
Flagship customer / contract: EuroHPC JUPITER exascale supercomputer
Recent funding: €130M Series A final close (July 2025)
Sovereign high-performance computing and AI processors for supercomputing, defense, security, health, energy and climate domains.
2019
Semiconductor Manufacturing
€130,000,000
Final closing of a €130M Series A including participation from Cathay Venture, EIC Fund and France 2030 as described in company communications.
€90,000,000
Announced first closing of a Series A to launch Rhea1.
€7,400,000
Early seed funding from the EU Horizon 2020 programme.
“Includes strategic and public investors such as Arm Holdings, Cathay Venture, European Innovation Council/EIC Fund, France 2030 and Eviden”
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❓ 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 :
Following a €130 million Series A, the company has launched its Series B round.
💻 About The Role At SiPearl, we are developing highly complex multi-chiplets/multi-sockets CPUs, based on latest technologies for processors, NoCs and overall architecture. Those need best in class emulation platforms, and that's what our team is proud to provide.
SiPearl owns one of the biggest emulation platform in Europe (in-house), a dual Veloce StratoM+, with a total capacity of 128 boards (6BGates) and up to 30 concurrent users 24/7.
We even model our physical evaluation board (BMC) to shift left the Firmware and Software development pre-silicon and validate pre-tape-out the entire software stack.
As an Emulation Engineer at SiPearl, you will be at the heart of our projects and R&D, and an enabler for all teams success.
🎯 Your missions
🔍 What Would Make You Succeed In This Role
Dear candidate, even if you consider you do not fulfill all the qualifications mentioned above, please still apply and share with us why you believe you would be a good fit. Recruitment process ✔️Discovery interview with our Talent Acquisition Partner (30 min)
✔️AssessFirst personality test - no need to worry, there is no wrong or right answer; our goal is to see beyond your resume (45')
✔️2 Technical interviews (1h each)
✔️Interview with one HRBP in order to answer to your last questions (30 min)
💡 Benefits And Conditions
Are you curious to learn more about us?
At SiPearl, we are dedicated to building a diverse and inclusive workplace that thrives on the strength of varied perspectives and backgrounds. We recruit talent based on merit, experience, and alignment with our company's goals and values. 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.
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