Latest Infleqtion Jobs

Spotlight

Director of Technology - Quantum

Lead the development and execution of Digital Catapult’s quantum and photonics technology strategy, driving collaborative R&D programmes with academia and industry. Spearhead horizon scanning, technology roadmaps, and capability building in quantum computing, sensing, networking, and photonics, with a focus on software, algorithms, and real-world applications. Mentor technical teams and represent the organisation in high-impact forums to shape the UK’s quantum ecosystem.

Digital Catapult London, United Kingdom £100,000 – £130,000 pa

Hybrid Permanent

Senior AMO Physicist

This role involves advancing neutral atom quantum computing systems through experimental physics and system design. The Senior AMO Physicist will design and integrate complex opto-mechanical systems, perform simulations, and lead testing and verification efforts. Collaboration with multidisciplinary teams and stakeholder communication are key, with work split between Oxford and Harwell, including partial remote work.

Infleqtion Harwell, United Kingdom

Hybrid Permanent

Photonics Technical Lead

The Photonics Technical Lead (PTL) is responsible for advancing Infleqtion's integrated photonics capabilities, leading the development and execution of photonics projects, and collaborating with multidisciplinary teams across the company's global operations. Key responsibilities include overseeing technical project execution, leading photonics R&D, managing technical personnel, and developing external partnerships to transition photonics technologies into commercial products.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Frequency Comb Photonics Engineer

This role involves hands-on development, characterisation, and integration of optical frequency comb technologies for quantum systems. Responsibilities include designing, building, and testing frequency comb systems, collaborating with multidisciplinary teams, and supporting applications like precision timing and laser stabilisation.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Systems Engineer

This role involves leading systems engineering for quantum product development, transforming prototypes into scalable, manufacturable systems. The engineer will define system requirements, manage integration and test processes, and work closely with physicists and engineers to ensure end-to-end traceability and performance. Key focus areas include requirements management, risk mitigation, and supporting verification and validation across the product lifecycle.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent Clearance Required

Junior AMO Physicist

ABOUT USInfleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere”...

Infleqtion Harwell, United Kingdom

Hybrid Permanent

Senior AMO Physicist - Inertial Sensing

The role involves developing atomic system designs for inertial sensing applications using atom-based quantum technologies. You will perform modelling, simulations, and analytical calculations, while integrating complex opto-mechanical systems, electronics, and software into quantum devices. The position requires close collaboration with physicists and engineers, conducting laboratory work from setup to system demonstration, and contributing to technical documentation, proposals, and publications.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Senior Optical Engineer

Infleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere” through...

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Operations & Inventory Manager

Infleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere” through...

Infleqtion Oxford, United Kingdom

Hybrid Permanent

Quantum Software Engineer - QEC

ABOUT THE COMPANYInfleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum...

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Quantum Software Engineer - Algorithms & Applications

ABOUT THE COMPANYInfleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum...

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Senior AMO Physicist - Quantum RF

ABOUT USInfleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere”...

Infleqtion Kidlington, United Kingdom

Hybrid Permanent