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.
In this role, you will work closely with our Business Development Manager and Product Marketing Director to support our customers’ technical success and adoption of SiPearl’s next-generation server CPU platform.
Act as the main technical point of contact for customers, partners, and integrators during pre-sales, integration, and deployment phase
Provide in-depth technical support in collaboration with R&D on topics such as CPU architecture, server integration, system bring-up, and performance tuning
Support software vendors (ISVs) in porting and validating applications on SiPearl platforms
Conduct PoCs, performance benchmarks, and validation testing with customers
Deliver product demos, training, and documentation to stakeholders
Collaborate with internal teams to align customer needs with product development
Gather technical feedback to influence roadmap and improve solutions
10+ years of experience in system engineering, platform validation, or FAE roles in server/data center environments
Deep understanding of CPU architecture (x86, ARM, or RISC-V), server platforms, and modern data center workloads
Proficiency with hardware bring-up, BIOS/firmware, OS integration (Linux), and system performance tuning
Experience with OEMs, ODMs, hyperscalers, or large enterprise IT teams
Strong analytical and hands-on technical skills in both lab and customer environments
Excellent communication skills to engage diverse technical and business audiences
Fluency in English is a prerequisite for success in this role, as effective communication in English is essential for collaboration and ensuring the seamless execution of responsibilities
Working with ISVs in software porting and optimization
Additional European languages
Familiarity with HPC and AI workloads
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
Contract: Permanent Contract
Benefits meal vouchers (60% covered by SiPearl); health insurance (70% covered by SiPearl); illimited access and pre-paid sessions with a practitioner of your choice on our mental health partner app, moka.care; technical, linguistic and personal development training; BSPCE
Work model On-Site or Hybrid (2 days/week remote)
📍 Office: This role is open for our locations in France (Maisons-Laffitte, Massy, Grenoble), in Italy (Bologna)
Awesome activities such as: Hackathons, Training Challenges, Quarterly Kick-off sessions, team events, company events and much more
⚠️ Please note that while we do not provide VISA Sponsorship, we are committed to assisting international candidates with the visa application process to the best of our ability.
Are you curious to learn more about us?
Follow us on LinkedIn to stay updated with our latest news
Get updated about our recruiting activities: Sipearl careers webpage
Get to know a bit more about our team culture: Welcome to the jungle
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 high-performance energy-efficient processors for HPC, AI and data centres. These processors will help address strategic dual-use challenges in the fields of security, defence, medical research, energy, climate and engineering with a reduced environmental footprint.
In June 2025, SiPearl completed the design of the most complex processor ever designed in Europe, Rhea1. Featuring 80 Arm Neoverse V1 cores, with 61 billion transistors, it is currently in production at TSMC in Taïwan and will be available for sampling in early 2026. Rhea1 processors will equip JUPITER, the first European exascale supercomputer owned by the EuroHPC JU and operated by the Jülich Supercomputing Centre in Germany.
Incubated within the European Processor Initiative (EPI) consortium and seed-funded by the European Union, SiPearl employs 200 people in France, Spain and Italy. Following a successful €130 million Series A, the company is launching its Series B round.
