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Infleqtion is a global quantum technology company commercializing atom-based quantum products for computing, sensing, and networking applications. We are seeking an exceptional Lead Scientist to accelerate product development for our Quantum RF (QRF) systems in the UK.
In this role, you will serve as the scientific authority within the QRF portfolio, responsible for physics-led direction, experimental strategy, scientific performance, technical interpretation, and scientific risk management. You will combine hands-on technical leadership with team leadership, ensuring experimental work, modelling, data analysis, and scientific decision-making are technically sound, robust, and aligned with portfolio roadmap and product goals.
Key responsibilities include:
- Define and lead scientific and experimental strategy for the portfolio
- Own physics architecture, key scientific assumptions, and technical performance models
- Guide experimental design, data analysis, technical interpretation, and performance validation
- Identify and manage scientific risks, uncertainties, and performance limitations in collaboration with project management
- Provide hands-on technical leadership including review of experimental plans, results, and technical conclusions
- Lead, mentor, and line-manage the portfolio science team
- Work closely with engineering teams to translate scientific requirements into robust engineering requirements and system designs
- Support Portfolio Lead in roadmap development, proposal development, customer engagement, and technical decision-making
- Contribute to IP identification, technical publications, and scientific communications
- Represent portfolio scientific credibility with customers, funders, collaborators, and internal stakeholders
The position is based in Kidlington, Oxford, with work-from-home permitted up to 2 days per week. Up to 10% travel, including international travel, may be required. Work will be performed in office and laboratory environments, involving sitting, standing, walking, lifting, and carrying up to 10 kg.
REQUIREMENTS:
- PhD in atomic, molecular, and optical (AMO) physics (required)
- Multiple years of relevant and progressive experience in technical project team context, including several years of leadership experience
- Deep expertise in Rydberg physics and their interactions, particularly when applied to Rydberg-atom electrometry
- Substantial post-PhD experience manipulating atoms, ions, or molecules with light, including optical design, alignment, and control of complex laser systems
- Experience working with complex, advanced technology systems combining mechanical, electrical, RF, optical, and software components
- Working knowledge of control systems and signal processing
- Experience with proposal, experimentation, design, development, and transition of technically complex solutions and/or products
- Experience working with cross-functional teams (engineering, science, product, and operational stakeholders)
- Direct and hands-on experience supporting externally funded projects
- Ability to work and communicate with all organizational levels; professional-level communication skills (verbal, written, presentation)
- Excellent problem-solving and analytical skills
DESIRED SKILLS:
- Ability to effectively influence and drive project team members and stakeholders
- Experience in RF electronics and signal processing techniques
- Proficiency in programming languages (Python, Rust, C++)
- Deep knowledge in time and frequency measurements
- Understanding of Health, Safety, and Environment (HSE) practices and workplace safety culture
- Experience with project management techniques (agile and waterfall)
- Familiarity with mechanical, optical, and electronic design packages (SolidWorks, Zemax, Altium)
