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Salary
≈ $40k – $78k per year (Estimated)
Location
In office (Singapore)
Seniority
Junior · 2+ years exp
Visa
No sponsorship (stated in the posting)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 10, 2026. First seen by Alion on Oct 8, 2026. Quantinuum scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Headquartered in Broomfield, Colorado, Quantinuum is a full-stack quantum computing company formed through the merger of Honeywell Quantum Solutions and Cambridge Quantum. The firm develops trapped-ion quantum hardware alongside specialized software platforms, including quantum chemistry engines, compiler toolkits, and quantum-cybersecurity applications.

We are seeking a motivated and qualifiedQuantum Computer Hardware Engineerto join our team operating and maintaining an on-premises Helios quantum computer in Singapore. This system is part of our partnership ( https://www.quantinuum.com/press-releases/singapores-national-quantum-office-and-quantinuum-forge-strategic-partnership-to-accelerate-quantum-computing) with the Singapore National Quantum Office to accelerate quantum computing. The ideal candidate will have experience building, validating, optimizing, maintaining, troubleshooting, and/or using a complex scientific apparatus or highly engineered product. Day-to-day work will involve complex problem solving; hands-on work with optical, mechanical, and electronic systems; updating, improving, and executing periodic maintenance plans; developing operations standards and documentation; and optimizing performance and reliability.

Key Responsibilities:

  • Operate and maintain an on-premises Helios quantum computer as part of a small team

  • Execute periodic maintenance plans for electrical, mechanical, and optical subsystems to maximize the on-premises quantum computer performance and reliability

  • Troubleshoot hardware subsystems as needed to return the on-premises quantum computer to service

  • Update and improve system maintenance and operations documentation

  • Collaborate with local and global teams on maintenance and troubleshooting tasks

Essential Requirements:

  • Bachelor's degree in Physics, Applied Physics, Optics, or a hands-on Engineering discipline

  • Two or more years of laboratory research and development experience in an academic institution (degree inclusive) or industry R&D context, with hands-on experience building, validating, optimizing, maintaining, and troubleshooting a complex scientific apparatus or highly engineered product

  • Ability to communicate technical and non-technical content clearly in spoken and written English

  • Availability to travel abroad for training or other business needs and flexibility to do so at short notice

  • 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.

We Value:

  • A Master's degree in Physics, Applied Physics, Optics, or hands-on Engineering field

  • Experience with atomic physics systems, superconducting qubits, or other quantum computing platforms, and constituent technologies including lasers, cryogenics, ultra-high vacuum systems, laboratory hardware control, and digital and analog electronics

  • Proficiency in Python

  • Experience in instrumentation, automation, and/or test engineering

  • Documentation, technical writing, and presentation skills as evidenced by internal and/or external technical documentation, technical presentations, conference participation, and peer-reviewed engineering and/or scientific publications

  • Evidence of successful collaboration and cooperative participation in a team to deliver shared goals

  • International exposure and experience collaborating across locations, cultures, or time zones

  • Work authorization that does not now or in the future require sponsorship of a visa for employment authorization in Singapore

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