Job Description

❓ About SiPearl…

Founded in 2019 with the support of the European Union 🇪🇺, SiPearl embodies Europe's dream of mastering the technological heart of its supercomputers: the microprocessor.

SiPearl is building Rhea, the high-performance, low-power European microprocessor dedicated to supercomputing and AI inference.

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.

SiPearl is working in close collaboration with its 30 partners from the European Processor Initiative (EPI) consortium - leading names from the scientific community, supercomputing centers and industry - which are its stakeholders, future clients and end-users.

SiPearl employs more than 160 people in:

• France (Maisons-Laffitte, Grenoble, Massy, Sophia Antipolis),

• Spain (Barcelona)

• and Italy (Bologna)

💻 About the role

Under the supervision of the System and Software Architecture Team Leader and in collaboration with the members of the System and Software Architecture team as well as partners and clients, the System Architect's objective is to prepare and ensure the integration of SiPearl microprocessors at both software and hardware levels with other constituent components (BMC, Accelerators, Operating Systems, Applications) of an HPC server.

The System Architect is also involved in collaborative and partnership projects.

💻 About the role

In this role, you will work closely with the Design, Verification, Physical Implementation and Software teams to define, drive and evolve IP, subsystem and SoC architectures aligned with performance, cost, manufacturability and market requirements.

You will act as a technical authority and architectural reference, contributing to strategic decisions, cross-team alignment, external partnerships and team development.

🎯About the missions

• Define IP, subsystem and SoC architectures to meet performance, silicon area, cost and manufacturing constraints

• Break down architectures into functional sub-blocks and write high-level architecture specifications, including interfaces and configuration mechanisms

• Participate in commercial IP selection and process technology choices

• Provide detailed definitions of software programming and configuration interfaces

• Support RTL, physical design, verification, virtual and software prototyping teams by clarifying architectural intent and constraints

• Review microarchitecture specifications, verification strategies and validation plans

• Interface closely with marketing and product teams to ensure architectural alignment with roadmap and customer needs

• Contribute to technology intelligence, monitoring standards, market trends and emerging technologies

• Represent the company at seminars, conferences and technical forums, and share key learnings internally

• Take ownership of work packages in collaborative and partnership projects, acting as a technical point of contact

• Coordinate project deliverables and contribute regularly to partner exchanges

• Mentor, coach and technically supervise junior engineers, trainees and service providers

• Contribute to effort estimation, milestone planning, onboarding and training programs

• Support the manager in supervising team members within the defined scope

🔍 What will help you succeed in this role

• Extensive experience in complex chip architecture and microarchitecture

• Strong background in electronic engineering, microelectronics or computer engineering

• Ability to translate market and product requirements into robust technical architectures

• Excellent communication skills, with the ability to explain complex concepts to diverse audiences

• Strong leadership, mentoring and cross-functional collaboration skills

• High level of autonomy, accountability and strategic thinking

• Professional proficiency in English in an international environment

• Scientific rigor, attention to detail and strong analytical capabilities

➕ Experience in the following areas is a strong plus

• Core architecture design, PCIe, UCIe, memory interfaces

• Cache architectures, memory consistency models, Network-on-Chip (NoC)

• Communication protocols and system-level integration

• Advanced ASIC design flows and semiconductor technologies

• Strong software background and hardware/software co-design

• Proficiency in scripting languages (Python, TCL, etc.)

• Leadership roles in collaborative or multi-partner projects

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 (CDI)

• Benefits annual bonus*; 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 and Sophia Antipolis), Spain (Castelldelfels - Barcelona)

• ⚠️ 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.