Latest Cryogenics Engineer Jobs

Quantum Systems Engineer

The Quantum Systems Engineer will design, build, and validate quantum photonic subsystems and experiments, contributing to the development of fault-tolerant quantum computers. Responsibilities include implementing quantum interference experiments, developing entangling circuits, and integrating subsystems into larger quantum architectures.

PsiQuantum Runcorn, WA7 1UP, United Kingdom

On-site Permanent

Senior Photonics Engineer, Optical Interfaces

The role involves developing ultra-low-loss optical interfaces for quantum computing systems, combining device concept development, optical simulation, and experimental validation. The engineer will work closely with internal and external teams to assess and mature new approaches for mode conversion and coupling, ensuring solutions are both high-performing and practical.

PsiQuantum Runcorn, WA7 1UP, United Kingdom

On-site Permanent

Systems Integration Engineer (Field, Quantum Systems)

This role involves deploying and commissioning quantum computing systems at customer sites worldwide, ensuring hardware and software performance meet specifications. The engineer will lead technical bring-up, calibration, and troubleshooting of superconducting quantum processors, either focusing on cryogenic systems integration or gate-level calibration and cloud deployment. The position bridges field operations with internal R&D to improve scalability and reliability of quantum systems in production environments.

Rigetti United Kingdom

Hybrid Permanent

Senior Software Engineering Manager

Leads a software engineering team building critical internal systems for quantum computer design, fabrication, and characterization. Focuses on developing scalable data platforms, scientific tooling, and workflow automation that integrate with hardware development processes across quantum physics and engineering domains.

Rigetti United States US$220,000 – US$250,000 pa

On-site Permanent

Mechanical Design Engineer – Photonic Hardware

This role involves the mechanical and thermal design, prototyping, and validation of high-specification photonic hardware for quantum computing. The engineer will work closely with photonics, systems, and architecture teams to develop robust, testable, and manufacturable hardware for controlled environments, focusing on precision assemblies, thermal management, and environmental control.

PsiQuantum Runcorn, WA7 1UP, United Kingdom

On-site Permanent

Senior Optical Fibre Engineer

This role involves developing and evaluating advanced optical fibre technologies for high-performance photonic systems used in quantum computing. The engineer will perform optical modelling, design experiments to validate fibre properties, and collaborate with internal teams and external partners to integrate fibres into larger optical platforms. Work focuses on specialty fibres with attention to modal behaviour, loss, dispersion, and coupling in demanding environments.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £64,000 – £76,500 pa

On-site Permanent

Senior Optical Packaging & Assembly Engineer

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...

PsiQuantum Runcorn, WA7 1UP, United Kingdom

Senior Technical Program Manager (TPM)

The Senior Technical Program Manager will lead the planning and execution of complex engineering programs at Rigetti, coordinating between research scientists, hardware engineers, and control systems to deliver integrated quantum systems on schedule. The role involves managing program roadmaps, milestones, and integration schedules, while ensuring alignment with company priorities and driving operational excellence in a fast-moving, research-driven environment.

Rigetti United States US$160,000 – US$190,000 pa

Hybrid Permanent

Intern, System Architecture

This internship involves developing photonic quantum computing architectures through simulation, software implementation, and protocol design. Interns will work on translating quantum information theory into physical system designs, using programming and modeling to advance fault-tolerant quantum systems. The role emphasizes collaboration, innovation, and technical rigor in a cutting-edge quantum computing environment.

PsiQuantum United Kingdom £31,200 – £56,160 pa

Hybrid Internship

Optical Architect (Design)

Design and develop the optical architecture for a fault-tolerant, large-scale quantum computer using silicon photonics. Translate quantum protocols into hardware specifications, model system performance, and collaborate across multidisciplinary teams to refine implementation strategies. Focus on qubit networking, error correction, and integration with scalable manufacturing processes.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £55,000 – £66,000 pa

On-site Permanent

System Architect, Simulations & Models

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...

PsiQuantum United Kingdom