Latest quantum engineer Jobs

Software Engineer (Compilers)

Develop and optimise software for quantum computing hardware, focusing on compiler design and low-level system integration. Work within a multidisciplinary team to implement, benchmark, and improve quantum processes and algorithms. Take ownership of major components in the quantum software stack, from design through testing and documentation.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent

ASIC Layout Engineer

Design and produce full-custom, mixed-signal integrated circuit layouts for quantum computing applications, ensuring DRC/LVS compliance across multiple fabrication processes. Collaborate closely with IC designers to implement layouts from base cells to full chip level. Work within tight project schedules to deliver high-quality physical designs for advanced quantum technologies.

Universal Quantum Haywards Heath, United Kingdom

Hybrid Permanent Clearance Required

Embedded Systems Engineer - FPGA Platform

Develop embedded Linux software, firmware, and board-support packages for FPGA-based systems used in quantum RF and sensing applications. Integrate FPGA SoCs, microcontrollers, and peripherals into robust control and signal-processing platforms. Perform board bring-up, debugging, and validation in collaboration with multidisciplinary engineering teams.

Infleqtion Kidlington, Oxfordshire, 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

IT Engineer

This role provides frontline IT support in a high-stakes quantum R&D and semiconductor fabrication environment, serving a technically diverse workforce. The engineer ensures uninterrupted operations by managing endpoints, user provisioning, and critical IT systems across Windows, macOS, and Linux platforms, with responsibilities spanning from onboarding to incident response in controlled environments. The position demands strong triage skills, familiarity with lab and cleanroom protocols, and the ability to support specialized research infrastructure.

Rigetti United States US$80,000 – US$120,000 pa

Quantum Software - Data Scientist

This role involves developing time series models for forecasting, anomaly detection, and predictive maintenance in quantum sensor systems. The Data Scientist will analyse large-scale sensor data, build predictive algorithms, and integrate models into real-time control systems, working closely with engineering and product teams. The position bridges data science, physics, and engineering in a cutting-edge quantum technology environment.

Infleqtion Harwell, United Kingdom

Hybrid Permanent

Staff Analog Mixed-Signal Design and Modelling Engineer

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

Internship at Quantinuum’s UK QEC team

Work on cutting-edge quantum error correction research, contributing to architectural design and implementation of QEC systems. Engage in hands-on projects involving algebraic geometry, tensor networks, or fault-tolerant quantum computing, with potential to publish or develop software libraries. Collaborate closely with researchers and engineers in a high-impact technical environment.

Quantinuum United Kingdom £2,500 pm

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

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

Director, Systems Software

Leads the software team responsible for developing a full-stack system that controls and monitors trapped-ion quantum computers. Focuses on defining software architecture, improving devops and release processes, and scaling the engineering team. Works closely with quantum scientists and engineers to translate low-level experiments and quantum algorithms into functional software using Python and Rust.

IonQ Oxford, United Kingdom

Technical Product Manager (Software Security & Firmware)

This role involves defining and managing the product roadmap for security software, firmware, and cryptographic libraries that integrate with hardware IPs in a post-quantum secure environment. You'll work closely with customers, architects, and security researchers to harden firmware against hardware-level attacks like DPA and SCA, while translating cryptographic standards into technical requirements. The position demands deep technical expertise in embedded systems, RISC-V/Arm architectures, and end-to-end security integration within complex SoC environments.

PQShield United Kingdom

Hybrid Permanent

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

Quantum Algorithms Scientist - Optimization

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 in the...

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 Bristol, United Kingdom

Hybrid Permanent