Quantum Systems Engineer

Responsibilities

• Design, build, and test quantum photonic subsystems and experiments
• Implement and analyse quantum interference experiments, including Hong-Ou-Mandel measurements
• Develop and validate systems involving single-photon sources and detectors
• Perform time-tagged measurements and analyse photon correlation data
• Contribute to the development and testing of entangling circuits and quantum state preparation
• Collaborate with cross-functional teams to integrate subsystems into larger quantum architectures
• Debug complex experimental systems and identify performance limitations
• Document and communicate experimental results to inform system design improvements

Requirements

• PhD in Quantum Physics, Quantum Optics, or a related discipline
• Strong experimental experience in quantum optics or photonic quantum systems
• Hands-on experience with Hong-Ou-Mandel interference and related quantum optics experiments
• Familiarity with single-photon sources, detectors, and time-tagging techniques
• Strong data analysis and experimental design skills

Preferred Qualifications

• Experience with entangling circuits and single-qubit readout techniques
• Knowledge of quantum information concepts and photonic quantum architectures
• Experience with experimental automation and data processing (e.g., Python)
• Ability to work effectively in cross-disciplinary teams

About the Company

PsiQuantum's mission is to build the first useful quantum computers—machines capable of delivering the breakthroughs the field has long promised. Our architecture and approach is based on silicon photonics, leveraging advanced semiconductor manufacturing to build million-qubit, fault-tolerant quantum systems.