Alice & Bob is developing the first universal, fault-tolerant quantum computer to solve the world’s hardest problems.
The quantum computer we envision building is based on a new kind of superconducting qubit: the Schrödinger cat qubit 🐈⬛. In comparison to other superconducting platforms, cat qubits have the astonishing ability to implement quantum error correction autonomously!
We're a diverse team of 250+ brilliant minds from over 35 countries united by a single goal: to revolutionise computing with a practical fault-tolerant quantum machine. Are you ready to take on unprecedented challenges and contribute to revolutionising technology? Join us, and let's shape the future of quantum computing together!
Alice&Bob is developing a quantum computer based on cat qubits. As part of the Quantum Hardware and Infrastructure department, the Hardware Platform Operation (HPO) team is in charge of operating the cryoplatform. This platform represents a major investment and asset of the company: HPO team is focused at 100% on operational excellence and quality, to ensure the highest availability rate.
HPO team is in charge of operating the cool down/warm up + modifications of cabling (inside the cryostat and instrumentation racks), according to the requests of the users. The HPO team is the main entry point from the users. Moreover, the team is responsible for:
- The maintenance in operational conditions of the cryostats
- The maintenance in operational conditions of the control electronics (racks)
- This includes routine V&V on instrumentation devices
- First level of troubleshooting
- Monitoring of environmental conditions (vibrations, temperature…)
- Assembly of new systems
About the role :
As the Leader of the HPO Team, you play a pivotal role in bringing into reality the QPU designs imagined by the company. For this role, we are seeking an engineer experienced in production management and team management.
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Responsabilities
- Organize, plan and oversee the day-to-day operationsEnsure that the requests of users are documented and complete
- Elaborate the planning of operations with the team and in compliance with users' constraints
- Contribute to the tasks of warm-up/cool down cycle and cabling modification
- Be responsible for the review of the work done
- Establish with the team standard operating procedures
- Lead improvement actions (A3…)
- Manage the stock and loop back with suppliers and purchasing team
- Coordinate the team planning with company iteration cycles, ensuring coordination with other teams in the company
- Cryostats and racks responsibility: Ensure that the tools and instruments under the team's responsibility are maintained up and running (following preventive maintenance plan and managing corrective/troubleshooting when necessary), to maximize the “up-time”.
- Align with other team leaders on good practices and standard definition for architectures and HW implementation.
- Systems fabrication & integration: Oversee the in-house fabrication, assembly and integration of the platform's hardware systems, from components to fully operational setups. This includes:
- Assembly of the cryostats
- Build of the chandelier (cold cabling assembly / wiring tree inside the cryostat): mounting of the plates, thermalization, and cold RF/DC wiring
- Assembly and wiring of the instrumentation and control racks
- Interconnection between the cryostat, the chandelier and the racks (RF/coax, DC, control and monitoring lines)
- Provide help and support to the design teams in the validation of the new systems (participation in test campaigns, execution of V&V procedures, feedback on manufacturability and operability)
- Ensure that fabrication follows the standard procedures, quality checks and traceability, and feed back improvements to the design teams
- Check final acceptance of new systems: Before entering into production, HPO team will proceed to an acceptance phase, ensuring that tools are qualified, documentation ready, and the team trained to operate them.
- Budget responsibility: prepare and oversee budget for HPO team
- Team Leadership & Supervision: Manage and inspire a team of engineers and technicians, fostering a collaborative environment. Supervise and motivate the team members. Define the profiles needed when necessary and drive with HR the hiring process. Provide mentorship and guidance, promoting professional growth and skill development within the team.
- Continuous Improvement: Drive ongoing improvements in the team (both at a technical and organizational level).
- Documentation & Reporting: Ensure standard operation procedures exist, and system configurations are thoroughly documented.
Requirements
Educational Background: A Master degree in Electrical Engineering, Physics, or Production management
Experience:
- Proven experience (5+ years) in a production environment or a “critical infrastructure” environment.
- Strong experience in management of a team.
Technical Skills:
- Knowledge of cryogenics is a plus
- Knowledge of RF instrumentation is a plus
Leadership & Collaboration:
- A communicative and team-oriented approach
- Strong organizational skills, with planning ability (to coordinate tool usage and team schedule efficiently)
- Ability to implement processes and actions to optimize and accelerate work tasks
- Pragmatism, and ability to manage in real-time/operational context
- English and French communication skills, both written and verbal
- Ability to collaborate effectively with multidisciplinary teams
- Commitment to quality
- Service oriented approach
- Attention to detail and ability to maintain thorough documentation of procedures, tests.
- Professional proficiency in both French and English
Nice to have
Desirable Skills & Experience (Optional but not required):
Experience in quantum technologies.
The Hardware Platform is split into 2 sites in Ile-de-France. The job requires regular travels to the 2 sites. The job may include on-call schedules.
Recruitment process
- Screening Call with Alexandra Talent Acquisition Specialist (30 min)
- Hiring Manager Interview with the Hiring Manager (45 min)
- Technical Interview/Presentation with the Team (90 min)
- Leadership and Fit Interview (60 min)
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Benefits:
- Our success is your success: own it with our BSPCE plan
- Direct IP Compensation: Earn substantial bonuses for driving the core patents that define our quantum architecture.
- Flexible remote policy, up to 40 % a month
- A Parental plan including additional benefits such as crèche support or additional days-off to take care of under 12 years old children
- Subsidized membership withUrban Sports Club
- Mental health support with moka.care
- 25-day vacation policy (as per French law) + RTT
- Half of transportation cost coverage (as per French law), or yearly allowance for the die-hard bicycle users
- Competitive health coverage, with Alan.
- Meal vouchers with Swile, as well as access to a fully equipped and regularly stocked kitchen
- French language courses covered by the company for those interested
Research shows that women might feel hesitant to apply for this job if they don't match 100% of the job requirements listed. This list is a guide, and we'd love to receive your application even if you think you're only a partial match. We are looking to build teams that innovate, not just tick boxes on a job spec.
You will join of one of the most innovative startups in France at an early stage, to be part of a passionate and friendly team on its mission to build the first universal quantum computer!
We love to share and learn from one another, so you will be certain to innovate, develop new ideas, and have the space to grow.
TECHNICAL & MARKET ANALYSIS | Appended by Quantum.Jobs
The emergence of specialized cryogenic operations and platform hardware leadership is structurally essential for scaling fault-tolerant quantum computing architectures beyond laboratory prototypes. As superconducting quantum processing units require continuous, high-precision thermalization and low-noise radio-frequency control environments, platform reliability becomes the primary bottleneck for quantum processor uptime and iteration velocity. This leadership function operates at the nexus of production engineering and physical hardware infrastructure, converting complex cryogenic systems into dependable computational platforms. Market signals across deep-tech ventures confirm that industrializing cryogenic infrastructure is critical for bridging technology readiness gaps between early hardware demonstration and fault-tolerant execution. By ensuring systematic maintenance, strict quality controls, and high platform availability, this role secures the operational substrate necessary for continuous quantum hardware validation.
Within the broader quantum information technology value chain, hardware operations sit directly between physical component fabrication and high-level quantum stack integration. Scale-up strategies for superconducting architectures depend heavily on the continuous throughput of testing cycles, where minor thermal instabilities or signal line degradation can delay processor characterization. Sector-wide efforts continue to address talent and integration challenges in quantum systems, particularly regarding the industrialization of sub-kelvin environments and high-density control electronics cabling.
Macro constraints in this domain center on cryo-assembly scaling bottlenecks, component supply chain risks, and the technical complexity of multi-channel wiring trees. As dilution refrigerators expand in physical scale to accommodate higher qubit counts, maintaining signal integrity and minimizing thermal leaks become critical systems-engineering challenges. Vendor fragmentation across radio-frequency components and custom electronics further necessitates rigorous internal quality control frameworks and standardized acceptance protocols.
Additionally, public-private investments and national quantum strategies emphasize the transition from academic physics experiments to standardized, high-availability computing facilities. Achieving commercial viability requires deep-tech hardware ventures to adopt institutional production management practices, minimizing downtime through preventative maintenance and structured operational workflows. This operational maturity prevents costly hardware disruptions, accelerating the physical scaling required for fault-tolerant quantum error correction.
The capability framework for this role type integrates cryogenic system engineering, radio-frequency signal infrastructure, and production management methodologies. Mastery of dilution refrigerator thermalization dynamics, cold cabling assemblies, and control rack instrumentation ensures that physical processor environments remain stable under intensive usage. Integrating standard operating procedures with rigorous verification and validation routines mitigates hardware failure risks, ensuring that system modifications preserve baseline noise thresholds and thermal budgets. Cross-functional coupling between hardware design, testing, and operations ensures that empirical feedback from daily cryostat cycles informs subsequent QPU iterations, directly driving hardware reliability and manufacturing scalability. - Maximizes quantum processor uptime by institutionalizing rigorous preventive maintenance protocols across cryogenic and electronic control platforms.
- Accelerates physical technology readiness progression through the standardization of cryostat assembly and high-density cabling integration workflows.
- Mitigates operational risk in high-capital research environments by implementing structured verification procedures for critical instrumentation.
- Facilitates seamless cross-functional feedback loops between design engineers and platform operations to enhance hardware manufacturability.
- Enhances platform availability for characterization teams by optimizing thermal cycle schedules and user request workflows.
- Reduces physical hardware integration bottlenecks through standardized acceptance testing of incoming sub-systems and control racks.
- Strengthens deep-tech supply chain resilience by implementing systematic inventory management and structured procurement communication channels.
- Drives continuous operational improvement by applying industrial quality management frameworks to complex laboratory infrastructure setups.
- Stabilizes experimental conditions by enforcing strict environmental monitoring protocols covering thermal drift and ambient mechanical vibrations.
- Supports the execution of complex hardware upgrades through disciplined schedule coordination aligned with organizational development milestones.
- Optimizes capital expenditure utilization by extending the operational lifespan and reliability of major cryogenic infrastructure investments.
- Establishes scalable operational benchmarks that enable multi-site hardware operations as physical infrastructure expands across locations.Industry Tags: Superconducting Quantum Computing, Cryogenic Infrastructure, Dilution Refrigeration, Quantum Hardware Operations, Platform Engineering, RF Instrumentation, Systems Integration, Fault-Tolerant Quantum Systems
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