Latest Cryogenics Engineer Jobs

Cryogenics Engineer

The role involves designing and enhancing cryogenic systems for advanced scientific applications such as quantum computing and astrophysics. You'll lead projects from concept to delivery, including custom design, risk assessment, and customer support. The position requires hands-on engineering expertise and close collaboration with both internal teams and external researchers.

Quantum Design Oxford Appleton, Oxfordshire, OX13 5LG, United Kingdom

Field Engineer: Cryogenics & RF Hardware

This role involves operating, maintaining, and troubleshooting advanced cryogenic and RF systems for quantum processors at customer sites worldwide. The engineer will perform cooldowns, diagnose faults in dilution refrigerators, validate RF hardware, and manage vacuum and helium systems in a production-like research environment. Frequent international travel and on-call support are required to ensure system uptime and collaborate with global teams.

Rigetti United States US$115,000 – US$140,000 pa

Deployment Physicist, On-premises Installation - 572

Installs and validates quantum computing systems (Helios) on customer premises globally, with deep involvement in atomic physics and qubit operations. Supports integration, shipment, and deployment activities, including international travel for on-site installations and remote support. Contributes to future post-Helios hardware development through design and validation phases.

Quantinuum United Kingdom

Hybrid

Senior Mechanical Engineer - Cryogenic

Design and own the mechanical architecture of quantum computing systems, focusing on cryogenic hardware from room temperature down to millikelvin stages. Lead the development of signal chains, thermal interfaces, and integration within dilution refrigerators, working closely with physicists and RF engineers. Perform simulation, tolerance analysis, and qualification testing in a high-ownership role driving hardware from concept to production.

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

On-site Permanent

Electronics Engineer

Designs and develops RF and high-speed electronic systems for quantum photonic hardware, including electro-optic modulation, low-latency control, and readout systems for superconducting nanowire single-photon detectors. Works closely with photonics and quantum engineering teams to integrate electronics into advanced quantum computing systems using silicon photonics. Involves FPGA-based control, signal integrity optimization, and testing in lab environments.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £50,000 – £57,000 pa

Integrated Photonics Engineer

Design and conduct experiments to characterize advanced integrated photonic circuits for quantum computing systems. Develop automated test workflows, analyze optical device performance, and collaborate with design teams to refine photonic components such as directional couplers, interferometers, and electro-optic modulators. Work within a high-tech R&D environment focused on scaling fault-tolerant quantum computers using silicon photonics.

PsiQuantum Runcorn, WA7 1UP, United Kingdom £45,000 – £55,000 pa

On-site Permanent

Senior Software Engineer, Non-Realtime Controllers

This role involves developing and maintaining software for non-realtime hardware controllers that support quantum computing systems. The engineer will work on robust, production-grade services that interface with physical instruments such as cryogenic compressors, vacuum pumps, and temperature controllers, ensuring reliability and observability across a fleet of quantum machines. The position emphasizes end-to-end ownership of controller services, integration with a shared framework, and close collaboration with systems teams and quantum scientists.

IonQ Oxford, United Kingdom

Staff Software Engineer, Non-Realtime Controllers

Design and develop software for non-realtime control systems that manage supporting hardware in quantum computers, including cryogenics, vacuum systems, and sensors. Work hands-on with real quantum hardware in a lab environment, diagnosing deep technical issues, improving system reliability, and building shared frameworks and tooling. Collaborate closely with quantum scientists, systems engineers, and software teams to ensure stable, observable, and scalable operations across a growing fleet of quantum systems.

IonQ Oxford, United Kingdom

Research Assistant/Associate in Quantum Photonics (Fixed Term)

Conduct research in quantum photonics, focusing on the design, nanofabrication, and optical characterisation of photonic devices using quantum optics and time-resolved photoluminescence spectroscopy at cryogenic temperatures. Work within the Integrated Quantum Photonics group to advance integrated quantum photonic technologies. Contribute to scientific publications and presentations as part of a multidisciplinary research team.

University of Cambridge Cambridge, South East England, United Kingdom £33 – £46 pa

On-site Contract