Latest Quantum Software Engineer Jobs

Senior Technical Program Manager - 769

Manages a portfolio of complex scientific and research projects in a quantum computing environment, translating technical objectives into clear delivery plans. Coordinates across research, commercial, and leadership teams to ensure visibility of progress, risks, and decisions. Focuses on disciplined project execution, stakeholder communication, and continuous improvement of program management practices.

Quantinuum London, United Kingdom

Quantum Algorithms Scientist

Phasecraft is the quantum algorithms company. We are building the mathematical foundations for quantum computing applications that solve real-world problems. Founded in 2019 by Toby Cubitt, Ashley Montanaro and John Morton, we are based in London and Bristol, UK. In...

Phasecraft Bristol, United Kingdom

Hybrid Permanent

Quantum Algorithms Scientist

Phasecraft is the quantum algorithms company. We are building the mathematical foundations for quantum computing applications that solve real-world problems. Founded in 2019 by Toby Cubitt, Ashley Montanaro and John Morton, we are based in London and Bristol, UK. In...

Phasecraft London, United Kingdom

Hybrid Permanent

Quantum Physics open applications

This role is for quantum physics professionals interested in contributing to the development of quantum computing technology. The candidate will work on advancing impactful quantum computer systems within a forward-thinking R&D environment. The position is open to applicants who may not find a specific advertised role matching their expertise but wish to express interest in future opportunities.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Manager, Quantum systems IT

Lead the classical IT infrastructure supporting quantum system builds, managing a small team while maintaining hands-on technical involvement. Focus on Linux provisioning, lab networking, hardware integration, and scalable automation in a live R&D and manufacturing environment. Work closely with engineering, DevOps, and physics teams to ensure infrastructure is repeatable, reliable, and ready for scale.

Oxford Ionics Oxford, United Kingdom

Hybrid Permanent

Engineer, Quantum systems IT

Support the classical IT infrastructure that enables quantum hardware development, including system provisioning, lab networking, and integration of scientific devices. Troubleshoot cross-domain issues and improve system repeatability through automation and documentation in a live R&D environment. Work across Linux, Windows, and mixed hardware systems to ensure reliable operation of quantum computing platforms.

Oxford Ionics Oxford, United Kingdom

Hybrid Permanent

Mechanical Engineer

Design and build thermal control and electronic enclosure systems for ion-trap quantum computing hardware. Integrate mechanical components with laser and electronic systems in a multidisciplinary R&D environment. Support project planning, risk management, and cross-functional collaboration to advance quantum computing technology.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

Photonics Test Engineer

Perform characterisation of integrated photonic devices across classical and quantum regimes using lasers, detectors, and high-speed electronics. Develop and automate test setups, analyse performance data, and collaborate with design and research teams to improve device yield and scalability. Support lab operations and contribute to scalable engineering workflows for quantum photonic systems.

Nu Quantum Cambridge, United Kingdom

On-site Permanent

Operations & Inventory Manager

The Operations & Inventory Manager ensures efficient and scalable business operations by leading inventory strategy, supply chain coordination, and process optimisation. This role manages material flow, maintains accurate inventory records, and drives continuous improvement using data-driven insights. Close collaboration with procurement, engineering, finance, and project teams ensures operational readiness and support for project delivery timelines.

Infleqtion Oxford, United Kingdom

Hybrid Permanent

Photonics Technical Lead

The role involves leading the development and execution of integrated photonics technologies for quantum applications, including photonic integrated circuits, laser systems, and subsystems. The technical lead will oversee project delivery, mentor a team, and collaborate across global teams and external partners. Key activities include design, fabrication, testing, and commercialisation of photonics solutions within a quantum technology ecosystem.

Infleqtion Kidlington, United Kingdom

Hybrid Permanent

Senior Mechanical | Cryogenic Engineer

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

I'd love to work at PQShield - Speculative Application

This speculative application role invites candidates to join a pioneering deep-tech startup focused on post-quantum cryptography and RISC-V-based secure computing. You'll work alongside founders and innovators on cutting-edge semiconductor solutions, contributing to groundbreaking security technologies in a flexible, inclusive environment. The role emphasizes collaboration, rapid learning, and real-world impact in a rapidly scaling field.

PQShield United Kingdom

Sr. AMO Physicist

The role involves advancing neutral-atom quantum computing technologies through hands-on experimental work, including designing, testing, and improving quantum processing units. The physicist will collaborate with cross-functional teams to characterize systems, reduce noise and decoherence, and validate subsystems. This position is based at Quera's Harwell site and includes engagement with academic and industry partners.

Quera Computing Vale Of White Horse, United Kingdom

On-site Permanent

Staff Analogue Designer, CMOS Modelling

This role involves developing high-fidelity behavioural models for cryo-CMOS mixed-signal integrated circuits used in quantum computing systems. You'll derive models from mathematical foundations, implement them in Verilog-A/AMS and real-number formats, and ensure correlation with schematic and silicon measurements. The position shapes modelling methodology and enables full-chip simulation across temperature extremes, directly supporting the development of control hardware for trapped-ion quantum processors.

IonQ Oxford, United Kingdom

Field Engineer: Cryogenics and RF Hardware

Operate and maintain quantum computing hardware at a customer site in Bangalore, with a focus on cryogenic systems and RF instrumentation. Perform hands-on troubleshooting of dilution refrigerators, vacuum systems, and electronic components in a collaborative research environment. Support system reliability and performance through rigorous validation, maintenance, and cross-disciplinary problem-solving.

Rigetti India

On-site Permanent