Latest Quantum Software Engineer Jobs

Internship Opportunities with Quantinuum 2026 - UK/Germany

This role involves contributing to cutting-edge projects in quantum computing across areas such as quantum software development, algorithms, machine learning, cybersecurity, and hardware. Interns will work on specific technical projects or client collaborations, gaining experience alongside leading scientists and engineers. The internship is project-based, typically lasting 3–6 months, with opportunities for progression into full-time roles.

Quantinuum United Kingdom

On-site Internship

General Interest in working for Quantinuum - London-Cambridge-Oxford

This is a general interest application role for candidates with experience or interest in quantum technologies. The position serves as a talent pool for future openings across quantum hardware, software, quantum chemistry, AI/ML, encryption, and algorithms. Applicants may be contacted for specific roles in London, Cambridge, or Oxford as opportunities arise.

Quantinuum United Kingdom

On-site 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

Junior AMO Physicist

This role involves hands-on development and operation of experimental neutral atom quantum computing systems, focusing on laser-cooled atoms, ultra-high vacuum setups, and precision optics. The candidate will work closely with physicists and engineers to integrate hardware components, conduct quantum experiments, and optimise system performance. It offers early-career researchers a chance to contribute directly to commercial quantum computing platforms while gaining expertise in AMO physics and quantum engineering.

Infleqtion Harwell, United Kingdom

Hybrid 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

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

Director, Global Quantum System Deployment

This role involves leading the global deployment and lifecycle support of on-premise quantum computing systems, overseeing end-to-end integration from factory to customer site. The position requires building and scaling a field engineering team, managing complex hardware installations including cryogenic and RF systems, and ensuring performance and reliability across international clients. It is a senior technical leadership role focused on operational excellence in quantum system delivery.

Rigetti United States US$240,000 – US$275,000 pa

Hybrid

Lab Technician

As a Lab Technician, you will work closely with a multidisciplinary team to support the assembly, integration, testing, and maintenance of quantum computing machines. Your responsibilities will include performing functional tests, calibrations, and maintaining a clean and organized laboratory environment.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent

Optics Group Lead

Lead the development and optimisation of advanced optical systems for quantum photonic technologies, focusing on qubit photon interfaces and quantum networking testbeds. Provide technical leadership and mentorship while collaborating across disciplines to design, automate, and characterise complex optical experiments. Drive best practices in experimental repeatability, system performance, and long-term scalability within a multidisciplinary R&D environment.

Nu Quantum Cambridge, United Kingdom

On-site Permanent

Principal AMO Physicist

This role involves designing and running remote-entanglement experiments using trapped-ion qubits coupled with integrated microcavities, as part of a quantum network demonstrator. The candidate will mentor junior physicists, maintain complex experimental systems including ultra-high-vacuum and laser setups, and collaborate across engineering and theory teams. The work focuses on advancing ion-photon interface efficiency and entanglement fidelity to enable scalable quantum networks.

Nu Quantum Cambridge, United Kingdom

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

Sales Director - Japan

Lead sales strategy and execution for a post-quantum cybersecurity company in Japan, targeting enterprise clients in semiconductor, telecom, automotive, and security sectors. Drive market expansion by building relationships with key stakeholders and closing high-value technical IP deals. Collaborate with field application engineers and global teams to align product development with customer needs.

PQShield United Kingdom

Technical Product Manager (Hardware Security & IP)

This role involves defining and driving the product roadmap for hardware security IP and post-quantum cryptography solutions within a deep tech semiconductor startup. You'll act as the technical bridge between engineering, security, and business teams, translating cryptographic standards into hardware requirements and guiding integration with customer systems. The position requires deep technical expertise in SoC architecture, security IP, and end-to-end product development in the context of RISC-V and post-quantum security.

PQShield United Kingdom

Remote Permanent

Electrical Technician

This role involves hands-on assembly, integration, and testing of electrical and electronic subsystems for cutting-edge trapped-ion quantum computing systems. The technician will work from engineering drawings and schematics to build precision components, support prototype development, and collaborate with multidisciplinary teams in a laboratory environment. Emphasis is placed on meticulous documentation, fault-finding, and maintaining high standards in a controlled technical workspace.

Oxford Ionics Oxford, Oxfordshire, United Kingdom

Director of Facilities

Lead facilities operations for a high-tech quantum computing campus, managing complex building systems, vendor relationships, and compliance across laboratories, data centres, and manufacturing environments. Oversee infrastructure projects, space planning, and 24/7 site support while ensuring safety, resilience, and scalability. Mentor facilities teams and align with global stakeholders in a fast-growing, technically advanced environment.

Oxford Ionics Oxford, United Kingdom

Hybrid Permanent