Latest Cryogenics Engineer Jobs

Senior Photonics Engineer, Optical Interfaces

Develops ultra-low-loss optical interface solutions between dissimilar waveguiding platforms using photonic device design, simulation, and experimental validation. Focuses on mode conversion and coupling for scalable quantum computing systems. Works closely with internal teams and external partners to mature practical, manufacturable solutions.

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

On-site Permanent

Mechanical Design Engineer – Photonic Hardware

This role involves designing precision mechanical and thermal systems for photonic quantum computing hardware, focusing on robustness, manufacturability, and performance in controlled environments. The engineer will work closely with cross-functional teams to translate system requirements into hardware solutions, conduct simulation and validation, and support prototyping and supplier collaboration. The position is based at Daresbury and supports the development of scalable, fault-tolerant quantum systems.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £50,000 – £56,000 pa

On-site Permanent

Lead Quantum Engineer, Systems Performance

Leads cross-functional teams in advancing superconducting qubit systems through experimental design and technical innovation. Focuses on identifying performance bottlenecks and driving hardware improvements for scalable quantum computing. Involves hands-on experimentation, technical leadership, and shaping long-term quantum hardware roadmaps.

Rigetti United States US$190,000 – US$225,000 pa

Senior Quality Engineer

This role involves establishing and leading a Quality Management System for quantum computing hardware, with direct responsibility for incoming quality control, non-conformance resolution, and supplier quality. The engineer will inspect high-precision components like machined parts, PCBAs, and RF hardware used in cryogenic environments, while embedding quality into new product introductions and driving continuous improvement across manufacturing and development processes.

Rigetti United States US$165,000 – US$190,000 pa

Senior Electronics Engineer

This role involves diagnosing and resolving electronics and control hardware issues in trapped-ion quantum computers, from root cause analysis to permanent design fixes. The engineer will lead reliability upgrades, standardize electronics across systems, and work closely with cross-functional teams to improve uptime and reduce operational costs. Key activities include PCB design, system-level testing, retrofitting live systems, and ensuring all improvements are documented and integrated into future builds.

IonQ Oxford, United Kingdom

Hybrid Permanent Clearance Required

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

Develops and implements high-performance, scalable opto-electronic packaging workflows for photonic integrated circuits, focusing on fibre-to-chip alignment and packaging prototyping. Works closely with internal teams and external vendors to transfer and scale packaging processes within a quantum computing R&D environment.

PsiQuantum Runcorn, WA7 1UP, United Kingdom

Systems Integration Engineer (Field, Quantum Systems)

This role involves deploying and commissioning quantum computing systems at customer sites globally, ensuring hardware and software performance meet specifications. The engineer will lead technical bring-up, troubleshooting, and calibration of superconducting qubit systems, either focusing on cryogenic hardware integration or gate-level calibration and cloud deployment. Collaboration with R&D teams and customer personnel is central, with significant international travel required.

Rigetti United Kingdom

Hybrid Permanent

Senior Process Engineer - Physical Vapor Deposition (PVD)

This role involves owning the development, optimization, and qualification of physical vapor deposition (PVD) processes used in fabricating superconducting quantum processors. The engineer will monitor process health, lead root-cause investigations, and collaborate with cross-functional teams to improve device performance and scalability. It offers growing responsibility in setting technical direction and mentoring within a quantum computing hardware environment.

Rigetti United States US$170,000 – US$200,000 pa

On-site Permanent

Senior Software Engineering Manager

Leads a team building software systems for quantum computer design, fabrication, and characterization, integrating scientific computing with hardware engineering workflows. Focuses on developing scalable data platforms, tooling, and infrastructure to support quantum device development. Works closely with physicists, fabrication engineers, and hardware teams to operationalize research-driven systems.

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

On-site Permanent

Senior Technical Program Manager (TPM)

This role involves leading the end-to-end planning and execution of complex, multidisciplinary technical programs in quantum computing, integrating hardware, cryogenics, control systems, and software. The Senior Technical Program Manager will coordinate across research and engineering teams to align milestones, manage dependencies, and ensure timely delivery of deployable quantum systems. It is a systems-focused leadership role in a fast-paced, research-driven deep-tech 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

Senior Quantum Applications Architect

This role involves developing and adapting quantum algorithms for fault-tolerant quantum computers, translating real-world computational problems into abstract quantum specifications, and analyzing their performance and resource requirements. The candidate will lead research initiatives, collaborate with internal teams and external partners across industries like life sciences and sustainability, and help define benchmarks that demonstrate quantum advantage. Close interaction with the Compilation and Architecture teams ensures algorithmic designs are grounded in practical photonic quantum computing constraints.

PsiQuantum Daresbury, United Kingdom £78,900 – £92,900 pa