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full-timeSenior Photonics Engineer, Optical Interfaces
Psiquantum · Daresbury
PsiQuantum is a company focused on building utility-scale, fault-tolerant quantum computers using silicon photonics. As a Senior Photonics Engineer, you will be responsible for developing and validating ultra-low-loss optical interface solutions designed to bridge dissimilar waveguiding platforms. Your day-to-day work will involve a mix of conceptual device design, rigorous optical simulation, and hands-on experimental validation to assess new methods for mode conversion and coupling. You will be expected to apply strong physical intuition to identify solutions that balance high performance with practical deployment requirements. The role requires close collaboration with internal cross-functional teams and external industry partners to guide the maturation of advanced optical interfaces. This position is well-suited for experienced professionals with a background in advanced industrial photonics or high-level research environments. Successful candidates will demonstrate a blend of creative device engineering and sound technical judgment, with the ability to translate theoretical concepts into functional hardware within a semiconductor manufacturing framework.
PsiQuantum’s mission is to build the first useful quantum computers—machines capable of delivering the breakthroughs the field has long promised. Since our founding in 2016, our singular focus has been to build and deploy million-qubit, fault-tolerant quantum systems. Quantum computers harness the laws of quantum mechanics to solve problems that even the most advanced supercomputers or AI systems will never reach. Their impact will span energy, pharmaceuticals, finance, agriculture, transportation, materials, and other foundational industries. Our architecture and approach is based on silicon photonics. By leveraging the advanced semiconductor manufacturing industry—including partners like GlobalFoundries—we use the same high-volume processes that already produce billions of chips for telecom and consumer electronics. Photonics offers natural advantages for scale: photons don’t feel heat, are immune to electromagnetic interference, and integrate with existing cryogenic cooling and standard fiber-optic infrastructure. In 2024, PsiQuantum announced government-funded projects to support the build-out of our first utility-scale quantum computers in Brisbane, Australia, and Chicago, Illinois. These initiatives reflect a growing recognition that quantum computing will be strategically and economically defining—and that now is the time to scale. PsiQuantum also develops the algorithms and software needed to make these systems commercially valuable. Our application, software, and industry teams work directly with leading Fortune 500 companies—including Lockheed Martin, Mercedes-Benz, Boehringer Ingelheim, and Mitsubishi Chemical—to prepare quantum solutions for real-world impact. Quantum computing is not an extension of classical computing. It represents a fundamental shift—and a path to mastering challenges that cannot be solved any other way. The potential is enormous, and we have a clear path to make it real. Come join us. Job Summary: We are seeking a Senior Photonics Engineer to develop ultra-low-loss optical interface solutions between dissimilar, exploratory, waveguiding platforms. This role combines device concept development, optical simulation, and hands-on experimental validation to assess and mature new approaches for mode conversion and coupling. The successful candidate will combine creativity in photonic device design with strong engineering judgement, identifying solutions that are both high-performing and practical to deploy. Working closely with internal teams and expert external partners, they will help guide the development of advanced optical interfaces. We welcome applicants from both advanced industrial photonics environments and leading research groups who combine strong physical intuition with practical experimental and engineering judgement. Responsibilities: Develop and assess novel device concepts for ultra-low-loss optical coupling and mode conversion between dissimilar optical platforms.<
| Role | Senior Photonics Engineer, Optical Interfaces |
|---|---|
| Company | Psiquantum |
| Location | Daresbury |
| Type | full-time |
| Compensation | Not disclosed |
| Deadline | Rolling |
Typical process for this type of role
A general guide — the exact steps for this specific listing may vary; check the original posting for details.
- 1ApplicationSubmit your resume through the apply link.
- 2ScreeningRecruiter reviews your background against the role.
- 3AssessmentA technical test, assignment, or coding round, depending on the role.
- 4Interview(s)One or more rounds with the hiring team.
- 5OfferOffer letter with compensation and start date.
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