CPU Core Micro Architect and Modelling Engineer

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❓ About SiPearl

Founded in 2019 and financed by the European Union, SiPearl embodies Europe's dream of mastering the technological heart of its supercomputers: the microprocessor.

SiPearl is building Rhea, the world's first energy-efficient #HPC-dedicated microprocessor designed to work with any third-party accelerator (#GPU, #AI, #quantum). It will help Europe solving major challenges in medical research🧬, artificial intelligence, security 🛡️, energy management and climate 🌱while reducing its environmental footprint.

Since our creation in 2019, we host 170 collaborators in 6 offices: France (Maisons-Laffitte, Massy, Grenoble, Sophia Antipolis), Germany (Duisburg), Spain (Barcelona).

After a successful series A in 2023 (90M €), SiPearl has recently won an emblematic contract to equip Europe’s first exascale supercomputer, JUPITER, owned by EuroHPC and operated by Jülich Forschungszentrum (Germany). And as the dream of a European machine, crossing the 1 billion billion mark calculations per second thanks to an European microprocessor, is becoming reality, SiPearl is willing to hire 150 engineers by the end of 2024!

💻 About the role

In this role, you will work closely with the CPU Design Team Manager to develop our own processor core.

🎯 What a regular day at the job might look like

  • Study state-of-the-art to explore microarchitecture of next-gen HPC CPU Core
  • Develop behavioral and cycle-accurate models of modern high-performance CPU Cores
  • Evaluate, compare and define new Core features for dedicated HPC applications
  • Work in cooperation with RTL designers to evaluate feasibility and performance/cost balance of suggested microarchitectural improvements

🔍What would make you succeed in this role

  • Solid foundation in Electrical Engineering, Computer Science or Engineering
  • Strong programming skills (C and/or C++)
  • Understanding of the fundamentals of CPU architecture
  • Professional experience or significant internship in CPU or System modelling
  • Knowledge in CPU performance analysis and benchmarking

➕ Profile required

  • Adaptable and open mindset
  • Enthusiastic and willing to learn
  • Excellent oral and writing English communication

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')

✔️ Personality test - no need to worry, there is no wrong or right answer; our goal is to get to see beyond your resume (45')

✔️ Technical interview (1h)

✔️ Interview with your future manager (1h)

💡 Benefits and conditions

  • Contract: Permanent Contract/CDI
  • Benefits: meal vouchers (Sodexo), health insurance (70% covered by SiPearl), 8 to 9 RTTs (France), 5 days per year of remote work from any EU location, BSPCE
  • Work model: Hybrid (2 days remote)
  • 📍 Offices: Maisons-Laffitte (RER A/ Line L)/ Massy/ Grenoble/ Sophia Antipolis/ Barcelona/ Duisburg
  • Awesome activities such as: Hackathons, Training Challenges, Quarterly Kick-off sessions, team events, Company events and much more


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.

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