Experimental Physicist – Ion Trap, Quantum Computing

We are seeking a highly qualified Experimental Physicist to join our team building, maintaining, developing, and operating a trapped ion quantum computer at RIKEN’s Wako campus. This machine will be part of a Japanese Ministry of Economy, Trade, and Industry project to explore the integrated use of quantum computers and classical supercomputers, such as RIKEN’s Fugaku device. The ideal candidate will have a broad and deep understanding of quantum computing, atomic physics, and/or technical operations and experience operating a quantum computer or similarly complex system or apparatus as part of a small team with global support.

Our team is leading the development, integration, and operation of quantum computing systems at Quantinuum. We are looking for experimental scientists with hands-on experience building and operating devices to manipulate qubit quantum spin systems, or cold and trapped atomic systems. You will also have excellent communication and collaboration skills as you will be working with teams of engineers and other scientists to develop and test new concepts.

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• Operate, maintain, develop, and upgrade the H1-series quantum computer as part of a small team
  
• Characterize the performance of a quantum computer to conceptualize and execute operations and development plans for improving it
  
• Apply previous experience in experimental laboratory research to design, develop, verify, and deploy quantum computers using trapped ions as qubits
  

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• Ph.D. (Physics, Engineering, Computer Science or related technical field preferred)
  
• Hands-on experience building and operating devices to manipulate qubit quantum spin systems or trapped ion and neutral-atom systems
  
• Ability to read, write, and verbally communicate technical topics in both English and Japanese
  
• Ability to travel abroad for training or other business needs
  
• Due to national security requirements imposed by the U.S. Government, candidates for this position must not be a People’s Republic of China national or Russian national unless the candidate is also a U.S. citizen
  
• Due to contractual requirements, must be a U.S. person (defined as U.S. citizen, permanent resident or green card holder; workers granted asylum or refugee status)
  

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• Experience with lasers, laser cooling, atom trapping, cryogenics, ultra-high vacuum systems, analog and digital electronics, laboratory hardware control, Python, physical modelling, and data analysis
  
• Strong documentation, technical writing, and presentation skills evidenced by peer-reviewed scientific publications
  

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• To access confidential information to carry out this job you will be requested to submit personal information to the U.S. government through Quantinuum upon your consent
  
• We expect multiple interviews with a combination of HR, hiring manager, and peer members
  
• Background check to verify academic and professional records will be required as part of the onboarding process
  

Location: Tokyo, Japan

Working alongside a highly talented team, with leading names in the quantum computing industry. We offer a highly competitive package, equity, a positive approach to flexible working, health insurance, commuting allowance, enhanced holidays.

Quantinuum is the world’s largest integrated quantum company, driving breakthroughs in materials discovery, cybersecurity, and next-generation quantum AI. With a team of more than 600 employees, including more than 420 of them being scientists and engineers, we are leading the worldwide quantum computing revolution.

By uniting best-in-class software with high-fidelity hardware, our integrated full-stack approach is accelerating the path to practical quantum computing and scaling its impact across multiple industries.

As we celebrate the International Year of Quantum, there has never been a more exciting time to be part of this rapidly evolving field. By joining Quantinuum, you’ll be at the forefront of this transformative revolution, shaping the future of quantum computing, pushing the limits of technology, and making the impossible possible.

Visit our news pages to learn more about Quantinuum and our scientific breakthroughs and achievements: https://www.quantinuum.com/news

Quantinuum Intro Video: The Future of Quantum Computing

Please note that employment with us is subject to successfully passing our pre-employment screening checks. We are an inclusive equal opportunity employer. You will be considered without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, or veteran status.

About Us: https://quantinuum.co.jp/