Quantum system performance engineer H/F

About Pasqal

Pasqal designs and develops quantum processors (QPUs: Quantum Processing Units) and the associated software tools.

Our innovative technology makes it possible to tackle use cases that are currently beyond the capabilities of the world’s most powerful supercomputers—ranging from industrial application challenges to fundamental science needs.

Beyond their exceptional computing power, QPUs are highly energy-efficient and will help significantly reduce the carbon footprint of the high‑performance computing (HPC) industry.

Job Description

Pasqal’s ambition is to design and develop QPUs enabling highly performant computation, based on neutral atoms manipulated with lasers. The complexity of the hardware systems makes this journey both unique and particularly exciting.

Within the System Performance team, we measure and optimize QPU performance. We are responsible for implementing and validating new features, and for pushing the system to its highest performance level.

Responsibilities

• Contribute to cross‑functional projects at the QPU level
• Analyze performance (by developing simple mathematical and physics models and simulations) on current designs and identify the main limitations
• Propose new designs or new techniques (hardware/software)
• Define and execute documented system and sub‑system test plans to validate performance improvements or new features
• Contribute to keeping development QPUs operational
• Propose new ideas leading to industrial innovation
• Collaborate closely with other teams in the hardware department
• Support the Manufacturing & Support team
• Communicate scientific results within and outside the team
• Mentor junior engineers and Master’s student

Qualifications

• Master’s degree (MSc/Engineering) in Physics with 2–3 years of industry experience, or a PhD
• Knowledge of experimental physics (atom–light interaction experience is a plus)
• Strong interest in experimental physics and physics modeling
• Programming skills for data analysis and simulations (Python, …)
• Version control is a plus (Git)

Success Factors

• Autonomy, rigor and organization
• Communication and listening skills
• Proven ability to collaborate with multi‑disciplinary teams (Theory, Experimental)
• Good level of written and spoken English. French is a plus but not required
• You have a good level of English, and at least a basic level of French with willingness to keep improving

Benefits

• Brand‑new offices in Massy (France)
• Flexible onsite rhythm (2 days of remote work per week)
• Contract type: Permanent contract (CDI)
• A dynamic, close‑knit international team
• A key role in a fast‑growing deep‑tech company
• Time to learn and attend conferences/meetups

Pasqal is an equal opportunity employer. We are committed to creating a diverse and inclusive workplace, as inclusion and diversity are essential to achieving our mission. We encourage applications from all qualified candidates regardless of gender, race, ethnicity, age, religion, or sexual orientation.